From 4ad2ddce1a096dea71d42969515d3a64f0d9246f Mon Sep 17 00:00:00 2001 From: Stefan Koch Date: Tue, 25 Aug 2015 21:10:05 +0200 Subject: usb: interface authorization: Declare authorized attribute The attribute authorized shows the authorization state for an interface. Signed-off-by: Stefan Koch Signed-off-by: Greg Kroah-Hartman --- include/linux/usb.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux') diff --git a/include/linux/usb.h b/include/linux/usb.h index 447fe29b55b4..3deccab2ce0a 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -178,6 +178,7 @@ struct usb_interface { unsigned needs_altsetting0:1; /* switch to altsetting 0 is pending */ unsigned needs_binding:1; /* needs delayed unbind/rebind */ unsigned resetting_device:1; /* true: bandwidth alloc after reset */ + unsigned authorized:1; /* used for interface authorization */ struct device dev; /* interface specific device info */ struct device *usb_dev; -- cgit v1.2.3 From 6b2bd3c8c69c4817a9a2feb4597021d486c105f4 Mon Sep 17 00:00:00 2001 From: Stefan Koch Date: Tue, 25 Aug 2015 21:10:06 +0200 Subject: usb: interface authorization: Introduces the default interface authorization Interfaces are allowed per default. This can disabled or enabled (again) by writing 0 or 1 to /sys/bus/usb/devices/usbX/interface_authorized_default Signed-off-by: Stefan Koch Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/hcd.c | 47 ++++++++++++++++++++++++++++++++++++++++++++++ drivers/usb/core/message.c | 1 + include/linux/usb/hcd.h | 9 +++++++++ 3 files changed, 57 insertions(+) (limited to 'include/linux') diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 4d64e5c499e1..83df1dde9c08 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -882,9 +882,53 @@ static ssize_t authorized_default_store(struct device *dev, } static DEVICE_ATTR_RW(authorized_default); +/* + * interface_authorized_default_show - show default authorization status + * for USB interfaces + * + * note: interface_authorized_default is the default value + * for initializing the authorized attribute of interfaces + */ +static ssize_t interface_authorized_default_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct usb_device *usb_dev = to_usb_device(dev); + struct usb_hcd *hcd = bus_to_hcd(usb_dev->bus); + + return sprintf(buf, "%u\n", !!HCD_INTF_AUTHORIZED(hcd)); +} + +/* + * interface_authorized_default_store - store default authorization status + * for USB interfaces + * + * note: interface_authorized_default is the default value + * for initializing the authorized attribute of interfaces + */ +static ssize_t interface_authorized_default_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct usb_device *usb_dev = to_usb_device(dev); + struct usb_hcd *hcd = bus_to_hcd(usb_dev->bus); + int rc = count; + bool val; + + if (strtobool(buf, &val) != 0) + return -EINVAL; + + if (val) + set_bit(HCD_FLAG_INTF_AUTHORIZED, &hcd->flags); + else + clear_bit(HCD_FLAG_INTF_AUTHORIZED, &hcd->flags); + + return rc; +} +static DEVICE_ATTR_RW(interface_authorized_default); + /* Group all the USB bus attributes */ static struct attribute *usb_bus_attrs[] = { &dev_attr_authorized_default.attr, + &dev_attr_interface_authorized_default.attr, NULL, }; @@ -2682,6 +2726,9 @@ int usb_add_hcd(struct usb_hcd *hcd, hcd->authorized_default = authorized_default; set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + /* per default all interfaces are authorized */ + set_bit(HCD_FLAG_INTF_AUTHORIZED, &hcd->flags); + /* HC is in reset state, but accessible. Now do the one-time init, * bottom up so that hcds can customize the root hubs before hub_wq * starts talking to them. (Note, bus id is assigned early too.) diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index f368d2053da5..3d25d89671d7 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1807,6 +1807,7 @@ free_interfaces: intfc = cp->intf_cache[i]; intf->altsetting = intfc->altsetting; intf->num_altsetting = intfc->num_altsetting; + intf->authorized = !!HCD_INTF_AUTHORIZED(hcd); kref_get(&intfc->ref); alt = usb_altnum_to_altsetting(intf, 0); diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index d2784c10bfe2..36ce3d215cad 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -120,6 +120,7 @@ struct usb_hcd { #define HCD_FLAG_WAKEUP_PENDING 4 /* root hub is resuming? */ #define HCD_FLAG_RH_RUNNING 5 /* root hub is running? */ #define HCD_FLAG_DEAD 6 /* controller has died? */ +#define HCD_FLAG_INTF_AUTHORIZED 7 /* authorize interfaces? */ /* The flags can be tested using these macros; they are likely to * be slightly faster than test_bit(). @@ -131,6 +132,14 @@ struct usb_hcd { #define HCD_RH_RUNNING(hcd) ((hcd)->flags & (1U << HCD_FLAG_RH_RUNNING)) #define HCD_DEAD(hcd) ((hcd)->flags & (1U << HCD_FLAG_DEAD)) + /* + * Specifies if interfaces are authorized by default + * or they require explicit user space authorization; this bit is + * settable through /sys/class/usb_host/X/interface_authorized_default + */ +#define HCD_INTF_AUTHORIZED(hcd) \ + ((hcd)->flags & (1U << HCD_FLAG_INTF_AUTHORIZED)) + /* Flags that get set only during HCD registration or removal. */ unsigned rh_registered:1;/* is root hub registered? */ unsigned rh_pollable:1; /* may we poll the root hub? */ -- cgit v1.2.3 From ff8e2c560eca32043ed097099debac488a4bd99f Mon Sep 17 00:00:00 2001 From: Stefan Koch Date: Tue, 25 Aug 2015 21:10:11 +0200 Subject: usb: interface authorization: Use a flag for the default device authorization With this patch a flag instead of a variable is used for the default device authorization. Signed-off-by: Stefan Koch Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/hcd.c | 31 +++++++++++++++++++++---------- drivers/usb/core/usb.c | 2 +- include/linux/usb/hcd.h | 16 +++++++++------- 3 files changed, 31 insertions(+), 18 deletions(-) (limited to 'include/linux') diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 83df1dde9c08..86b3d1190500 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -854,10 +854,10 @@ static ssize_t authorized_default_show(struct device *dev, { struct usb_device *rh_usb_dev = to_usb_device(dev); struct usb_bus *usb_bus = rh_usb_dev->bus; - struct usb_hcd *usb_hcd; + struct usb_hcd *hcd; - usb_hcd = bus_to_hcd(usb_bus); - return snprintf(buf, PAGE_SIZE, "%u\n", usb_hcd->authorized_default); + hcd = bus_to_hcd(usb_bus); + return snprintf(buf, PAGE_SIZE, "%u\n", !!HCD_DEV_AUTHORIZED(hcd)); } static ssize_t authorized_default_store(struct device *dev, @@ -868,12 +868,16 @@ static ssize_t authorized_default_store(struct device *dev, unsigned val; struct usb_device *rh_usb_dev = to_usb_device(dev); struct usb_bus *usb_bus = rh_usb_dev->bus; - struct usb_hcd *usb_hcd; + struct usb_hcd *hcd; - usb_hcd = bus_to_hcd(usb_bus); + hcd = bus_to_hcd(usb_bus); result = sscanf(buf, "%u\n", &val); if (result == 1) { - usb_hcd->authorized_default = val ? 1 : 0; + if (val) + set_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); + else + clear_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); + result = size; } else { result = -EINVAL; @@ -2720,10 +2724,17 @@ int usb_add_hcd(struct usb_hcd *hcd, dev_info(hcd->self.controller, "%s\n", hcd->product_desc); /* Keep old behaviour if authorized_default is not in [0, 1]. */ - if (authorized_default < 0 || authorized_default > 1) - hcd->authorized_default = hcd->wireless ? 0 : 1; - else - hcd->authorized_default = authorized_default; + if (authorized_default < 0 || authorized_default > 1) { + if (hcd->wireless) + clear_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); + else + set_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); + } else { + if (authorized_default) + set_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); + else + clear_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); + } set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); /* per default all interfaces are authorized */ diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 8d5b2f4113cd..f8bbd0b6d9fe 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -510,7 +510,7 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent, if (root_hub) /* Root hub always ok [and always wired] */ dev->authorized = 1; else { - dev->authorized = usb_hcd->authorized_default; + dev->authorized = !!HCD_DEV_AUTHORIZED(usb_hcd); dev->wusb = usb_bus_is_wusb(bus) ? 1 : 0; } return dev; diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 36ce3d215cad..4d147277b30d 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -58,12 +58,6 @@ * * Since "struct usb_bus" is so thin, you can't share much code in it. * This framework is a layer over that, and should be more sharable. - * - * @authorized_default: Specifies if new devices are authorized to - * connect by default or they require explicit - * user space authorization; this bit is settable - * through /sys/class/usb_host/X/authorized_default. - * For the rest is RO, so we don't lock to r/w it. */ /*-------------------------------------------------------------------------*/ @@ -121,6 +115,7 @@ struct usb_hcd { #define HCD_FLAG_RH_RUNNING 5 /* root hub is running? */ #define HCD_FLAG_DEAD 6 /* controller has died? */ #define HCD_FLAG_INTF_AUTHORIZED 7 /* authorize interfaces? */ +#define HCD_FLAG_DEV_AUTHORIZED 8 /* authorize devices? */ /* The flags can be tested using these macros; they are likely to * be slightly faster than test_bit(). @@ -140,6 +135,14 @@ struct usb_hcd { #define HCD_INTF_AUTHORIZED(hcd) \ ((hcd)->flags & (1U << HCD_FLAG_INTF_AUTHORIZED)) + /* + * Specifies if devices are authorized by default + * or they require explicit user space authorization; this bit is + * settable through /sys/class/usb_host/X/authorized_default + */ +#define HCD_DEV_AUTHORIZED(hcd) \ + ((hcd)->flags & (1U << HCD_FLAG_DEV_AUTHORIZED)) + /* Flags that get set only during HCD registration or removal. */ unsigned rh_registered:1;/* is root hub registered? */ unsigned rh_pollable:1; /* may we poll the root hub? */ @@ -150,7 +153,6 @@ struct usb_hcd { * support the new root-hub polling mechanism. */ unsigned uses_new_polling:1; unsigned wireless:1; /* Wireless USB HCD */ - unsigned authorized_default:1; unsigned has_tt:1; /* Integrated TT in root hub */ unsigned amd_resume_bug:1; /* AMD remote wakeup quirk */ unsigned can_do_streams:1; /* HC supports streams */ -- cgit v1.2.3 From 9b7537642cb6ad400ee4a95114582ba758b3009c Mon Sep 17 00:00:00 2001 From: Bin Liu Date: Wed, 9 Sep 2015 13:17:23 -0500 Subject: usb: musb: set the controller speed based on the config setting Set the Power register HSENAB bit based on musb->config->maximum_speed, so that the glue layer can control MUSB to work in high- or full-speed. Signed-off-by: Bin Liu Signed-off-by: Felipe Balbi --- drivers/usb/musb/musb_core.c | 16 ++++++++++------ include/linux/usb/musb.h | 2 +- 2 files changed, 11 insertions(+), 7 deletions(-) (limited to 'include/linux') diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 4a518ff12310..e0e10dd424e0 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -1028,18 +1028,22 @@ void musb_start(struct musb *musb) { void __iomem *regs = musb->mregs; u8 devctl = musb_readb(regs, MUSB_DEVCTL); + u8 power; dev_dbg(musb->controller, "<== devctl %02x\n", devctl); musb_enable_interrupts(musb); musb_writeb(regs, MUSB_TESTMODE, 0); - /* put into basic highspeed mode and start session */ - musb_writeb(regs, MUSB_POWER, MUSB_POWER_ISOUPDATE - | MUSB_POWER_HSENAB - /* ENSUSPEND wedges tusb */ - /* | MUSB_POWER_ENSUSPEND */ - ); + power = MUSB_POWER_ISOUPDATE; + /* + * treating UNKNOWN as unspecified maximum speed, in which case + * we will default to high-speed. + */ + if (musb->config->maximum_speed == USB_SPEED_HIGH || + musb->config->maximum_speed == USB_SPEED_UNKNOWN) + power |= MUSB_POWER_HSENAB; + musb_writeb(regs, MUSB_POWER, power); musb->is_active = 0; devctl = musb_readb(regs, MUSB_DEVCTL); diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h index a4ee1b582183..fa6dc132bd1b 100644 --- a/include/linux/usb/musb.h +++ b/include/linux/usb/musb.h @@ -95,7 +95,7 @@ struct musb_hdrc_config { /* musb CLKIN in Blackfin in MHZ */ unsigned char clkin; #endif - + u32 maximum_speed; }; struct musb_hdrc_platform_data { -- cgit v1.2.3 From 1f91b4cc03556ba0d43ac80621dac8263cda3880 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Thu, 6 Aug 2015 18:11:54 -0500 Subject: usb: dwc2: rename all s3c_* to dwc2_* this driver has long ago became dwc2.ko with both peripheral and host roles, there's no point in keeping the old function names. Acked-by: John Youn Tested-by: John Youn Signed-off-by: Felipe Balbi --- arch/arm/mach-s3c64xx/mach-crag6410.c | 4 +- arch/arm/mach-s3c64xx/mach-smartq.c | 4 +- arch/arm/mach-s3c64xx/mach-smdk6410.c | 4 +- arch/arm/plat-samsung/devs.c | 6 +- drivers/usb/dwc2/core.h | 52 +-- drivers/usb/dwc2/core_intr.c | 4 +- drivers/usb/dwc2/debugfs.c | 20 +- drivers/usb/dwc2/gadget.c | 696 ++++++++++++++++---------------- drivers/usb/dwc2/hcd.c | 4 +- drivers/usb/dwc2/platform.c | 8 +- include/linux/platform_data/s3c-hsotg.h | 10 +- 11 files changed, 406 insertions(+), 406 deletions(-) (limited to 'include/linux') diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index 65c426bc45f7..14bd9ae3f476 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c @@ -809,7 +809,7 @@ static const struct gpio_led_platform_data gpio_leds_pdata = { .num_leds = ARRAY_SIZE(gpio_leds), }; -static struct s3c_hsotg_plat crag6410_hsotg_pdata; +static struct dwc2_hsotg_plat crag6410_hsotg_pdata; static void __init crag6410_machine_init(void) { @@ -835,7 +835,7 @@ static void __init crag6410_machine_init(void) s3c_i2c0_set_platdata(&i2c0_pdata); s3c_i2c1_set_platdata(&i2c1_pdata); s3c_fb_set_platdata(&crag6410_lcd_pdata); - s3c_hsotg_set_platdata(&crag6410_hsotg_pdata); + dwc2_hsotg_set_platdata(&crag6410_hsotg_pdata); i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0)); i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1)); diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-s3c64xx/mach-smartq.c index b3d13537a7f0..719843dca510 100644 --- a/arch/arm/mach-s3c64xx/mach-smartq.c +++ b/arch/arm/mach-s3c64xx/mach-smartq.c @@ -189,7 +189,7 @@ static struct s3c_hwmon_pdata smartq_hwmon_pdata __initdata = { }, }; -static struct s3c_hsotg_plat smartq_hsotg_pdata; +static struct dwc2_hsotg_plat smartq_hsotg_pdata; static int __init smartq_lcd_setup_gpio(void) { @@ -382,7 +382,7 @@ void __init smartq_map_io(void) void __init smartq_machine_init(void) { s3c_i2c0_set_platdata(NULL); - s3c_hsotg_set_platdata(&smartq_hsotg_pdata); + dwc2_hsotg_set_platdata(&smartq_hsotg_pdata); s3c_hwmon_set_platdata(&smartq_hwmon_pdata); s3c_sdhci1_set_platdata(&smartq_internal_hsmmc_pdata); s3c_sdhci2_set_platdata(&smartq_internal_hsmmc_pdata); diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c index d590b88bd8a8..286c9bd676e1 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -628,7 +628,7 @@ static struct platform_pwm_backlight_data smdk6410_bl_data = { .enable_gpio = -1, }; -static struct s3c_hsotg_plat smdk6410_hsotg_pdata; +static struct dwc2_hsotg_plat smdk6410_hsotg_pdata; static void __init smdk6410_map_io(void) { @@ -659,7 +659,7 @@ static void __init smdk6410_machine_init(void) s3c_i2c0_set_platdata(NULL); s3c_i2c1_set_platdata(NULL); s3c_fb_set_platdata(&smdk6410_lcd_pdata); - s3c_hsotg_set_platdata(&smdk6410_hsotg_pdata); + dwc2_hsotg_set_platdata(&smdk6410_hsotg_pdata); samsung_keypad_set_platdata(&smdk6410_keypad_data); diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c index 83c7d154bde0..82074625de5c 100644 --- a/arch/arm/plat-samsung/devs.c +++ b/arch/arm/plat-samsung/devs.c @@ -1042,11 +1042,11 @@ struct platform_device s3c_device_usb_hsotg = { }, }; -void __init s3c_hsotg_set_platdata(struct s3c_hsotg_plat *pd) +void __init dwc2_hsotg_set_platdata(struct dwc2_hsotg_plat *pd) { - struct s3c_hsotg_plat *npd; + struct dwc2_hsotg_plat *npd; - npd = s3c_set_platdata(pd, sizeof(struct s3c_hsotg_plat), + npd = s3c_set_platdata(pd, sizeof(struct dwc2_hsotg_plat), &s3c_device_usb_hsotg); if (!npd->phy_init) diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index 0ed87620941b..9655b1ec4f34 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -58,8 +58,8 @@ static inline void do_write(u32 value, void *addr) /* Maximum number of Endpoints/HostChannels */ #define MAX_EPS_CHANNELS 16 -/* s3c-hsotg declarations */ -static const char * const s3c_hsotg_supply_names[] = { +/* dwc2-hsotg declarations */ +static const char * const dwc2_hsotg_supply_names[] = { "vusb_d", /* digital USB supply, 1.2V */ "vusb_a", /* analog USB supply, 1.1V */ }; @@ -85,10 +85,10 @@ static const char * const s3c_hsotg_supply_names[] = { #define EP0_MPS_LIMIT 64 struct dwc2_hsotg; -struct s3c_hsotg_req; +struct dwc2_hsotg_req; /** - * struct s3c_hsotg_ep - driver endpoint definition. + * struct dwc2_hsotg_ep - driver endpoint definition. * @ep: The gadget layer representation of the endpoint. * @name: The driver generated name for the endpoint. * @queue: Queue of requests for this endpoint. @@ -127,11 +127,11 @@ struct s3c_hsotg_req; * as in shared-fifo mode periodic in acts like a single-frame packet * buffer than a fifo) */ -struct s3c_hsotg_ep { +struct dwc2_hsotg_ep { struct usb_ep ep; struct list_head queue; struct dwc2_hsotg *parent; - struct s3c_hsotg_req *req; + struct dwc2_hsotg_req *req; struct dentry *debugfs; unsigned long total_data; @@ -155,12 +155,12 @@ struct s3c_hsotg_ep { }; /** - * struct s3c_hsotg_req - data transfer request + * struct dwc2_hsotg_req - data transfer request * @req: The USB gadget request * @queue: The list of requests for the endpoint this is queued for. * @saved_req_buf: variable to save req.buf when bounce buffers are used. */ -struct s3c_hsotg_req { +struct dwc2_hsotg_req { struct usb_request req; struct list_head queue; void *saved_req_buf; @@ -693,7 +693,7 @@ struct dwc2_hsotg { struct phy *phy; struct usb_phy *uphy; - struct regulator_bulk_data supplies[ARRAY_SIZE(s3c_hsotg_supply_names)]; + struct regulator_bulk_data supplies[ARRAY_SIZE(dwc2_hsotg_supply_names)]; spinlock_t lock; struct mutex init_mutex; @@ -796,7 +796,7 @@ struct dwc2_hsotg { #if IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL) || IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE) /* Gadget structures */ struct usb_gadget_driver *driver; - struct s3c_hsotg_plat *plat; + struct dwc2_hsotg_plat *plat; u32 phyif; int fifo_mem; @@ -815,8 +815,8 @@ struct dwc2_hsotg { unsigned int enabled:1; unsigned int connected:1; unsigned long last_rst; - struct s3c_hsotg_ep *eps_in[MAX_EPS_CHANNELS]; - struct s3c_hsotg_ep *eps_out[MAX_EPS_CHANNELS]; + struct dwc2_hsotg_ep *eps_in[MAX_EPS_CHANNELS]; + struct dwc2_hsotg_ep *eps_out[MAX_EPS_CHANNELS]; u32 g_using_dma; u32 g_rx_fifo_sz; u32 g_np_g_tx_fifo_sz; @@ -1104,30 +1104,30 @@ extern u16 dwc2_get_otg_version(struct dwc2_hsotg *hsotg); /* Gadget defines */ #if IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL) || IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE) -extern int s3c_hsotg_remove(struct dwc2_hsotg *hsotg); -extern int s3c_hsotg_suspend(struct dwc2_hsotg *dwc2); -extern int s3c_hsotg_resume(struct dwc2_hsotg *dwc2); +extern int dwc2_hsotg_remove(struct dwc2_hsotg *hsotg); +extern int dwc2_hsotg_suspend(struct dwc2_hsotg *dwc2); +extern int dwc2_hsotg_resume(struct dwc2_hsotg *dwc2); extern int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq); -extern void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *dwc2, +extern void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *dwc2, bool reset); -extern void s3c_hsotg_core_connect(struct dwc2_hsotg *hsotg); -extern void s3c_hsotg_disconnect(struct dwc2_hsotg *dwc2); -extern int s3c_hsotg_set_test_mode(struct dwc2_hsotg *hsotg, int testmode); +extern void dwc2_hsotg_core_connect(struct dwc2_hsotg *hsotg); +extern void dwc2_hsotg_disconnect(struct dwc2_hsotg *dwc2); +extern int dwc2_hsotg_set_test_mode(struct dwc2_hsotg *hsotg, int testmode); #define dwc2_is_device_connected(hsotg) (hsotg->connected) #else -static inline int s3c_hsotg_remove(struct dwc2_hsotg *dwc2) +static inline int dwc2_hsotg_remove(struct dwc2_hsotg *dwc2) { return 0; } -static inline int s3c_hsotg_suspend(struct dwc2_hsotg *dwc2) +static inline int dwc2_hsotg_suspend(struct dwc2_hsotg *dwc2) { return 0; } -static inline int s3c_hsotg_resume(struct dwc2_hsotg *dwc2) +static inline int dwc2_hsotg_resume(struct dwc2_hsotg *dwc2) { return 0; } static inline int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) { return 0; } -static inline void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *dwc2, +static inline void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *dwc2, bool reset) {} -static inline void s3c_hsotg_core_connect(struct dwc2_hsotg *hsotg) {} -static inline void s3c_hsotg_disconnect(struct dwc2_hsotg *dwc2) {} -static inline int s3c_hsotg_set_test_mode(struct dwc2_hsotg *hsotg, +static inline void dwc2_hsotg_core_connect(struct dwc2_hsotg *hsotg) {} +static inline void dwc2_hsotg_disconnect(struct dwc2_hsotg *dwc2) {} +static inline int dwc2_hsotg_set_test_mode(struct dwc2_hsotg *hsotg, int testmode) { return 0; } #define dwc2_is_device_connected(hsotg) (0) diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c index 927be1e8b3dc..344a859c2153 100644 --- a/drivers/usb/dwc2/core_intr.c +++ b/drivers/usb/dwc2/core_intr.c @@ -129,7 +129,7 @@ static void dwc2_handle_otg_intr(struct dwc2_hsotg *hsotg) gotgctl = readl(hsotg->regs + GOTGCTL); if (dwc2_is_device_mode(hsotg)) - s3c_hsotg_disconnect(hsotg); + dwc2_hsotg_disconnect(hsotg); if (hsotg->op_state == OTG_STATE_B_HOST) { hsotg->op_state = OTG_STATE_B_PERIPHERAL; @@ -322,7 +322,7 @@ static void dwc2_handle_session_req_intr(struct dwc2_hsotg *hsotg) * Report disconnect if there is any previous session established */ if (dwc2_is_device_mode(hsotg)) - s3c_hsotg_disconnect(hsotg); + dwc2_hsotg_disconnect(hsotg); } /* diff --git a/drivers/usb/dwc2/debugfs.c b/drivers/usb/dwc2/debugfs.c index ef2ee3d9a25d..cee3d771b75e 100644 --- a/drivers/usb/dwc2/debugfs.c +++ b/drivers/usb/dwc2/debugfs.c @@ -57,7 +57,7 @@ static ssize_t testmode_write(struct file *file, const char __user *ubuf, size_t testmode = 0; spin_lock_irqsave(&hsotg->lock, flags); - s3c_hsotg_set_test_mode(hsotg, testmode); + dwc2_hsotg_set_test_mode(hsotg, testmode); spin_unlock_irqrestore(&hsotg->lock, flags); return count; } @@ -256,9 +256,9 @@ static const char *decode_direction(int is_in) */ static int ep_show(struct seq_file *seq, void *v) { - struct s3c_hsotg_ep *ep = seq->private; + struct dwc2_hsotg_ep *ep = seq->private; struct dwc2_hsotg *hsotg = ep->parent; - struct s3c_hsotg_req *req; + struct dwc2_hsotg_req *req; void __iomem *regs = hsotg->regs; int index = ep->index; int show_limit = 15; @@ -326,7 +326,7 @@ static const struct file_operations ep_fops = { }; /** - * s3c_hsotg_create_debug - create debugfs directory and files + * dwc2_hsotg_create_debug - create debugfs directory and files * @hsotg: The driver state * * Create the debugfs files to allow the user to get information @@ -334,7 +334,7 @@ static const struct file_operations ep_fops = { * with the same name as the device itself, in case we end up * with multiple blocks in future systems. */ -static void s3c_hsotg_create_debug(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_create_debug(struct dwc2_hsotg *hsotg) { struct dentry *root; struct dentry *file; @@ -360,7 +360,7 @@ static void s3c_hsotg_create_debug(struct dwc2_hsotg *hsotg) /* Create one file for each out endpoint */ for (epidx = 0; epidx < hsotg->num_of_eps; epidx++) { - struct s3c_hsotg_ep *ep; + struct dwc2_hsotg_ep *ep; ep = hsotg->eps_out[epidx]; if (ep) { @@ -373,7 +373,7 @@ static void s3c_hsotg_create_debug(struct dwc2_hsotg *hsotg) } /* Create one file for each in endpoint. EP0 is handled with out eps */ for (epidx = 1; epidx < hsotg->num_of_eps; epidx++) { - struct s3c_hsotg_ep *ep; + struct dwc2_hsotg_ep *ep; ep = hsotg->eps_in[epidx]; if (ep) { @@ -386,10 +386,10 @@ static void s3c_hsotg_create_debug(struct dwc2_hsotg *hsotg) } } #else -static inline void s3c_hsotg_create_debug(struct dwc2_hsotg *hsotg) {} +static inline void dwc2_hsotg_create_debug(struct dwc2_hsotg *hsotg) {} #endif -/* s3c_hsotg_delete_debug is removed as cleanup in done in dwc2_debugfs_exit */ +/* dwc2_hsotg_delete_debug is removed as cleanup in done in dwc2_debugfs_exit */ #define dump_register(nm) \ { \ @@ -737,7 +737,7 @@ int dwc2_debugfs_init(struct dwc2_hsotg *hsotg) } /* Add gadget debugfs nodes */ - s3c_hsotg_create_debug(hsotg); + dwc2_hsotg_create_debug(hsotg); hsotg->regset = devm_kzalloc(hsotg->dev, sizeof(*hsotg->regset), GFP_KERNEL); diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 3ee5b4c77a1f..2ed9ad84d979 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -39,14 +39,14 @@ #include "hw.h" /* conversion functions */ -static inline struct s3c_hsotg_req *our_req(struct usb_request *req) +static inline struct dwc2_hsotg_req *our_req(struct usb_request *req) { - return container_of(req, struct s3c_hsotg_req, req); + return container_of(req, struct dwc2_hsotg_req, req); } -static inline struct s3c_hsotg_ep *our_ep(struct usb_ep *ep) +static inline struct dwc2_hsotg_ep *our_ep(struct usb_ep *ep) { - return container_of(ep, struct s3c_hsotg_ep, ep); + return container_of(ep, struct dwc2_hsotg_ep, ep); } static inline struct dwc2_hsotg *to_hsotg(struct usb_gadget *gadget) @@ -64,7 +64,7 @@ static inline void __bic32(void __iomem *ptr, u32 val) writel(readl(ptr) & ~val, ptr); } -static inline struct s3c_hsotg_ep *index_to_ep(struct dwc2_hsotg *hsotg, +static inline struct dwc2_hsotg_ep *index_to_ep(struct dwc2_hsotg *hsotg, u32 ep_index, u32 dir_in) { if (dir_in) @@ -74,7 +74,7 @@ static inline struct s3c_hsotg_ep *index_to_ep(struct dwc2_hsotg *hsotg, } /* forward declaration of functions */ -static void s3c_hsotg_dump(struct dwc2_hsotg *hsotg); +static void dwc2_hsotg_dump(struct dwc2_hsotg *hsotg); /** * using_dma - return the DMA status of the driver. @@ -101,11 +101,11 @@ static inline bool using_dma(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_en_gsint - enable one or more of the general interrupt + * dwc2_hsotg_en_gsint - enable one or more of the general interrupt * @hsotg: The device state * @ints: A bitmask of the interrupts to enable */ -static void s3c_hsotg_en_gsint(struct dwc2_hsotg *hsotg, u32 ints) +static void dwc2_hsotg_en_gsint(struct dwc2_hsotg *hsotg, u32 ints) { u32 gsintmsk = readl(hsotg->regs + GINTMSK); u32 new_gsintmsk; @@ -119,11 +119,11 @@ static void s3c_hsotg_en_gsint(struct dwc2_hsotg *hsotg, u32 ints) } /** - * s3c_hsotg_disable_gsint - disable one or more of the general interrupt + * dwc2_hsotg_disable_gsint - disable one or more of the general interrupt * @hsotg: The device state * @ints: A bitmask of the interrupts to enable */ -static void s3c_hsotg_disable_gsint(struct dwc2_hsotg *hsotg, u32 ints) +static void dwc2_hsotg_disable_gsint(struct dwc2_hsotg *hsotg, u32 ints) { u32 gsintmsk = readl(hsotg->regs + GINTMSK); u32 new_gsintmsk; @@ -135,7 +135,7 @@ static void s3c_hsotg_disable_gsint(struct dwc2_hsotg *hsotg, u32 ints) } /** - * s3c_hsotg_ctrl_epint - enable/disable an endpoint irq + * dwc2_hsotg_ctrl_epint - enable/disable an endpoint irq * @hsotg: The device state * @ep: The endpoint index * @dir_in: True if direction is in. @@ -144,7 +144,7 @@ static void s3c_hsotg_disable_gsint(struct dwc2_hsotg *hsotg, u32 ints) * Set or clear the mask for an individual endpoint's interrupt * request. */ -static void s3c_hsotg_ctrl_epint(struct dwc2_hsotg *hsotg, +static void dwc2_hsotg_ctrl_epint(struct dwc2_hsotg *hsotg, unsigned int ep, unsigned int dir_in, unsigned int en) { @@ -166,10 +166,10 @@ static void s3c_hsotg_ctrl_epint(struct dwc2_hsotg *hsotg, } /** - * s3c_hsotg_init_fifo - initialise non-periodic FIFOs + * dwc2_hsotg_init_fifo - initialise non-periodic FIFOs * @hsotg: The device instance. */ -static void s3c_hsotg_init_fifo(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_init_fifo(struct dwc2_hsotg *hsotg) { unsigned int ep; unsigned int addr; @@ -248,12 +248,12 @@ static void s3c_hsotg_init_fifo(struct dwc2_hsotg *hsotg) * * Allocate a new USB request structure appropriate for the specified endpoint */ -static struct usb_request *s3c_hsotg_ep_alloc_request(struct usb_ep *ep, +static struct usb_request *dwc2_hsotg_ep_alloc_request(struct usb_ep *ep, gfp_t flags) { - struct s3c_hsotg_req *req; + struct dwc2_hsotg_req *req; - req = kzalloc(sizeof(struct s3c_hsotg_req), flags); + req = kzalloc(sizeof(struct dwc2_hsotg_req), flags); if (!req) return NULL; @@ -269,23 +269,23 @@ static struct usb_request *s3c_hsotg_ep_alloc_request(struct usb_ep *ep, * Returns true if the endpoint is in periodic mode, meaning it is being * used for an Interrupt or ISO transfer. */ -static inline int is_ep_periodic(struct s3c_hsotg_ep *hs_ep) +static inline int is_ep_periodic(struct dwc2_hsotg_ep *hs_ep) { return hs_ep->periodic; } /** - * s3c_hsotg_unmap_dma - unmap the DMA memory being used for the request + * dwc2_hsotg_unmap_dma - unmap the DMA memory being used for the request * @hsotg: The device state. * @hs_ep: The endpoint for the request * @hs_req: The request being processed. * - * This is the reverse of s3c_hsotg_map_dma(), called for the completion + * This is the reverse of dwc2_hsotg_map_dma(), called for the completion * of a request to ensure the buffer is ready for access by the caller. */ -static void s3c_hsotg_unmap_dma(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, - struct s3c_hsotg_req *hs_req) +static void dwc2_hsotg_unmap_dma(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, + struct dwc2_hsotg_req *hs_req) { struct usb_request *req = &hs_req->req; @@ -297,7 +297,7 @@ static void s3c_hsotg_unmap_dma(struct dwc2_hsotg *hsotg, } /** - * s3c_hsotg_write_fifo - write packet Data to the TxFIFO + * dwc2_hsotg_write_fifo - write packet Data to the TxFIFO * @hsotg: The controller state. * @hs_ep: The endpoint we're going to write for. * @hs_req: The request to write data for. @@ -312,9 +312,9 @@ static void s3c_hsotg_unmap_dma(struct dwc2_hsotg *hsotg, * * This routine is only needed for PIO */ -static int s3c_hsotg_write_fifo(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, - struct s3c_hsotg_req *hs_req) +static int dwc2_hsotg_write_fifo(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, + struct dwc2_hsotg_req *hs_req) { bool periodic = is_ep_periodic(hs_ep); u32 gnptxsts = readl(hsotg->regs + GNPTXSTS); @@ -348,7 +348,7 @@ static int s3c_hsotg_write_fifo(struct dwc2_hsotg *hsotg, * previous data has been completely sent. */ if (hs_ep->fifo_load != 0) { - s3c_hsotg_en_gsint(hsotg, GINTSTS_PTXFEMP); + dwc2_hsotg_en_gsint(hsotg, GINTSTS_PTXFEMP); return -ENOSPC; } @@ -369,7 +369,7 @@ static int s3c_hsotg_write_fifo(struct dwc2_hsotg *hsotg, __func__, can_write); if (can_write <= 0) { - s3c_hsotg_en_gsint(hsotg, GINTSTS_PTXFEMP); + dwc2_hsotg_en_gsint(hsotg, GINTSTS_PTXFEMP); return -ENOSPC; } } else if (hsotg->dedicated_fifos && hs_ep->index != 0) { @@ -383,7 +383,7 @@ static int s3c_hsotg_write_fifo(struct dwc2_hsotg *hsotg, "%s: no queue slots available (0x%08x)\n", __func__, gnptxsts); - s3c_hsotg_en_gsint(hsotg, GINTSTS_NPTXFEMP); + dwc2_hsotg_en_gsint(hsotg, GINTSTS_NPTXFEMP); return -ENOSPC; } @@ -414,7 +414,7 @@ static int s3c_hsotg_write_fifo(struct dwc2_hsotg *hsotg, /* it's needed only when we do not use dedicated fifos */ if (!hsotg->dedicated_fifos) - s3c_hsotg_en_gsint(hsotg, + dwc2_hsotg_en_gsint(hsotg, periodic ? GINTSTS_PTXFEMP : GINTSTS_NPTXFEMP); } @@ -443,7 +443,7 @@ static int s3c_hsotg_write_fifo(struct dwc2_hsotg *hsotg, /* it's needed only when we do not use dedicated fifos */ if (!hsotg->dedicated_fifos) - s3c_hsotg_en_gsint(hsotg, + dwc2_hsotg_en_gsint(hsotg, periodic ? GINTSTS_PTXFEMP : GINTSTS_NPTXFEMP); } @@ -475,7 +475,7 @@ static int s3c_hsotg_write_fifo(struct dwc2_hsotg *hsotg, * Return the maximum data that can be queued in one go on a given endpoint * so that transfers that are too long can be split. */ -static unsigned get_ep_limit(struct s3c_hsotg_ep *hs_ep) +static unsigned get_ep_limit(struct dwc2_hsotg_ep *hs_ep) { int index = hs_ep->index; unsigned maxsize; @@ -508,7 +508,7 @@ static unsigned get_ep_limit(struct s3c_hsotg_ep *hs_ep) } /** - * s3c_hsotg_start_req - start a USB request from an endpoint's queue + * dwc2_hsotg_start_req - start a USB request from an endpoint's queue * @hsotg: The controller state. * @hs_ep: The endpoint to process a request for * @hs_req: The request to start. @@ -517,9 +517,9 @@ static unsigned get_ep_limit(struct s3c_hsotg_ep *hs_ep) * Start the given request running by setting the endpoint registers * appropriately, and writing any data to the FIFOs. */ -static void s3c_hsotg_start_req(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, - struct s3c_hsotg_req *hs_req, +static void dwc2_hsotg_start_req(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, + struct dwc2_hsotg_req *hs_req, bool continuing) { struct usb_request *ureq = &hs_req->req; @@ -625,7 +625,7 @@ static void s3c_hsotg_start_req(struct dwc2_hsotg *hsotg, /* * write DMA address to control register, buffer already - * synced by s3c_hsotg_ep_queue(). + * synced by dwc2_hsotg_ep_queue(). */ dma_reg = dir_in ? DIEPDMA(index) : DOEPDMA(index); @@ -659,7 +659,7 @@ static void s3c_hsotg_start_req(struct dwc2_hsotg *hsotg, /* set these anyway, we may need them for non-periodic in */ hs_ep->fifo_load = 0; - s3c_hsotg_write_fifo(hsotg, hs_ep, hs_req); + dwc2_hsotg_write_fifo(hsotg, hs_ep, hs_req); } /* @@ -685,11 +685,11 @@ static void s3c_hsotg_start_req(struct dwc2_hsotg *hsotg, __func__, readl(hsotg->regs + epctrl_reg)); /* enable ep interrupts */ - s3c_hsotg_ctrl_epint(hsotg, hs_ep->index, hs_ep->dir_in, 1); + dwc2_hsotg_ctrl_epint(hsotg, hs_ep->index, hs_ep->dir_in, 1); } /** - * s3c_hsotg_map_dma - map the DMA memory being used for the request + * dwc2_hsotg_map_dma - map the DMA memory being used for the request * @hsotg: The device state. * @hs_ep: The endpoint the request is on. * @req: The request being processed. @@ -700,11 +700,11 @@ static void s3c_hsotg_start_req(struct dwc2_hsotg *hsotg, * DMA memory, then we map the memory and mark our request to allow us to * cleanup on completion. */ -static int s3c_hsotg_map_dma(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, +static int dwc2_hsotg_map_dma(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, struct usb_request *req) { - struct s3c_hsotg_req *hs_req = our_req(req); + struct dwc2_hsotg_req *hs_req = our_req(req); int ret; /* if the length is zero, ignore the DMA data */ @@ -724,8 +724,8 @@ dma_error: return -EIO; } -static int s3c_hsotg_handle_unaligned_buf_start(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, struct s3c_hsotg_req *hs_req) +static int dwc2_hsotg_handle_unaligned_buf_start(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, struct dwc2_hsotg_req *hs_req) { void *req_buf = hs_req->req.buf; @@ -755,8 +755,8 @@ static int s3c_hsotg_handle_unaligned_buf_start(struct dwc2_hsotg *hsotg, return 0; } -static void s3c_hsotg_handle_unaligned_buf_complete(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, struct s3c_hsotg_req *hs_req) +static void dwc2_hsotg_handle_unaligned_buf_complete(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, struct dwc2_hsotg_req *hs_req) { /* If dma is not being used or buffer was aligned */ if (!using_dma(hsotg) || !hs_req->saved_req_buf) @@ -777,11 +777,11 @@ static void s3c_hsotg_handle_unaligned_buf_complete(struct dwc2_hsotg *hsotg, hs_req->saved_req_buf = NULL; } -static int s3c_hsotg_ep_queue(struct usb_ep *ep, struct usb_request *req, +static int dwc2_hsotg_ep_queue(struct usb_ep *ep, struct usb_request *req, gfp_t gfp_flags) { - struct s3c_hsotg_req *hs_req = our_req(req); - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_req *hs_req = our_req(req); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hs = hs_ep->parent; bool first; int ret; @@ -802,13 +802,13 @@ static int s3c_hsotg_ep_queue(struct usb_ep *ep, struct usb_request *req, req->actual = 0; req->status = -EINPROGRESS; - ret = s3c_hsotg_handle_unaligned_buf_start(hs, hs_ep, hs_req); + ret = dwc2_hsotg_handle_unaligned_buf_start(hs, hs_ep, hs_req); if (ret) return ret; /* if we're using DMA, sync the buffers as necessary */ if (using_dma(hs)) { - ret = s3c_hsotg_map_dma(hs, hs_ep, req); + ret = dwc2_hsotg_map_dma(hs, hs_ep, req); if (ret) return ret; } @@ -817,51 +817,51 @@ static int s3c_hsotg_ep_queue(struct usb_ep *ep, struct usb_request *req, list_add_tail(&hs_req->queue, &hs_ep->queue); if (first) - s3c_hsotg_start_req(hs, hs_ep, hs_req, false); + dwc2_hsotg_start_req(hs, hs_ep, hs_req, false); return 0; } -static int s3c_hsotg_ep_queue_lock(struct usb_ep *ep, struct usb_request *req, +static int dwc2_hsotg_ep_queue_lock(struct usb_ep *ep, struct usb_request *req, gfp_t gfp_flags) { - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hs = hs_ep->parent; unsigned long flags = 0; int ret = 0; spin_lock_irqsave(&hs->lock, flags); - ret = s3c_hsotg_ep_queue(ep, req, gfp_flags); + ret = dwc2_hsotg_ep_queue(ep, req, gfp_flags); spin_unlock_irqrestore(&hs->lock, flags); return ret; } -static void s3c_hsotg_ep_free_request(struct usb_ep *ep, +static void dwc2_hsotg_ep_free_request(struct usb_ep *ep, struct usb_request *req) { - struct s3c_hsotg_req *hs_req = our_req(req); + struct dwc2_hsotg_req *hs_req = our_req(req); kfree(hs_req); } /** - * s3c_hsotg_complete_oursetup - setup completion callback + * dwc2_hsotg_complete_oursetup - setup completion callback * @ep: The endpoint the request was on. * @req: The request completed. * * Called on completion of any requests the driver itself * submitted that need cleaning up. */ -static void s3c_hsotg_complete_oursetup(struct usb_ep *ep, +static void dwc2_hsotg_complete_oursetup(struct usb_ep *ep, struct usb_request *req) { - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hsotg = hs_ep->parent; dev_dbg(hsotg->dev, "%s: ep %p, req %p\n", __func__, ep, req); - s3c_hsotg_ep_free_request(ep, req); + dwc2_hsotg_ep_free_request(ep, req); } /** @@ -872,10 +872,10 @@ static void s3c_hsotg_complete_oursetup(struct usb_ep *ep, * Convert the given wIndex into a pointer to an driver endpoint * structure, or return NULL if it is not a valid endpoint. */ -static struct s3c_hsotg_ep *ep_from_windex(struct dwc2_hsotg *hsotg, +static struct dwc2_hsotg_ep *ep_from_windex(struct dwc2_hsotg *hsotg, u32 windex) { - struct s3c_hsotg_ep *ep; + struct dwc2_hsotg_ep *ep; int dir = (windex & USB_DIR_IN) ? 1 : 0; int idx = windex & 0x7F; @@ -894,12 +894,12 @@ static struct s3c_hsotg_ep *ep_from_windex(struct dwc2_hsotg *hsotg, } /** - * s3c_hsotg_set_test_mode - Enable usb Test Modes + * dwc2_hsotg_set_test_mode - Enable usb Test Modes * @hsotg: The driver state. * @testmode: requested usb test mode * Enable usb Test Mode requested by the Host. */ -int s3c_hsotg_set_test_mode(struct dwc2_hsotg *hsotg, int testmode) +int dwc2_hsotg_set_test_mode(struct dwc2_hsotg *hsotg, int testmode) { int dctl = readl(hsotg->regs + DCTL); @@ -920,7 +920,7 @@ int s3c_hsotg_set_test_mode(struct dwc2_hsotg *hsotg, int testmode) } /** - * s3c_hsotg_send_reply - send reply to control request + * dwc2_hsotg_send_reply - send reply to control request * @hsotg: The device state * @ep: Endpoint 0 * @buff: Buffer for request @@ -929,8 +929,8 @@ int s3c_hsotg_set_test_mode(struct dwc2_hsotg *hsotg, int testmode) * Create a request and queue it on the given endpoint. This is useful as * an internal method of sending replies to certain control requests, etc. */ -static int s3c_hsotg_send_reply(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *ep, +static int dwc2_hsotg_send_reply(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *ep, void *buff, int length) { @@ -939,7 +939,7 @@ static int s3c_hsotg_send_reply(struct dwc2_hsotg *hsotg, dev_dbg(hsotg->dev, "%s: buff %p, len %d\n", __func__, buff, length); - req = s3c_hsotg_ep_alloc_request(&ep->ep, GFP_ATOMIC); + req = dwc2_hsotg_ep_alloc_request(&ep->ep, GFP_ATOMIC); hsotg->ep0_reply = req; if (!req) { dev_warn(hsotg->dev, "%s: cannot alloc req\n", __func__); @@ -953,12 +953,12 @@ static int s3c_hsotg_send_reply(struct dwc2_hsotg *hsotg, * STATUS stage. */ req->zero = 0; - req->complete = s3c_hsotg_complete_oursetup; + req->complete = dwc2_hsotg_complete_oursetup; if (length) memcpy(req->buf, buff, length); - ret = s3c_hsotg_ep_queue(&ep->ep, req, GFP_ATOMIC); + ret = dwc2_hsotg_ep_queue(&ep->ep, req, GFP_ATOMIC); if (ret) { dev_warn(hsotg->dev, "%s: cannot queue req\n", __func__); return ret; @@ -968,15 +968,15 @@ static int s3c_hsotg_send_reply(struct dwc2_hsotg *hsotg, } /** - * s3c_hsotg_process_req_status - process request GET_STATUS + * dwc2_hsotg_process_req_status - process request GET_STATUS * @hsotg: The device state * @ctrl: USB control request */ -static int s3c_hsotg_process_req_status(struct dwc2_hsotg *hsotg, +static int dwc2_hsotg_process_req_status(struct dwc2_hsotg *hsotg, struct usb_ctrlrequest *ctrl) { - struct s3c_hsotg_ep *ep0 = hsotg->eps_out[0]; - struct s3c_hsotg_ep *ep; + struct dwc2_hsotg_ep *ep0 = hsotg->eps_out[0]; + struct dwc2_hsotg_ep *ep; __le16 reply; int ret; @@ -1013,7 +1013,7 @@ static int s3c_hsotg_process_req_status(struct dwc2_hsotg *hsotg, if (le16_to_cpu(ctrl->wLength) != 2) return -EINVAL; - ret = s3c_hsotg_send_reply(hsotg, ep0, &reply, 2); + ret = dwc2_hsotg_send_reply(hsotg, ep0, &reply, 2); if (ret) { dev_err(hsotg->dev, "%s: failed to send reply\n", __func__); return ret; @@ -1022,7 +1022,7 @@ static int s3c_hsotg_process_req_status(struct dwc2_hsotg *hsotg, return 1; } -static int s3c_hsotg_ep_sethalt(struct usb_ep *ep, int value); +static int dwc2_hsotg_ep_sethalt(struct usb_ep *ep, int value); /** * get_ep_head - return the first request on the endpoint @@ -1030,27 +1030,27 @@ static int s3c_hsotg_ep_sethalt(struct usb_ep *ep, int value); * * Get the first request on the endpoint. */ -static struct s3c_hsotg_req *get_ep_head(struct s3c_hsotg_ep *hs_ep) +static struct dwc2_hsotg_req *get_ep_head(struct dwc2_hsotg_ep *hs_ep) { if (list_empty(&hs_ep->queue)) return NULL; - return list_first_entry(&hs_ep->queue, struct s3c_hsotg_req, queue); + return list_first_entry(&hs_ep->queue, struct dwc2_hsotg_req, queue); } /** - * s3c_hsotg_process_req_feature - process request {SET,CLEAR}_FEATURE + * dwc2_hsotg_process_req_feature - process request {SET,CLEAR}_FEATURE * @hsotg: The device state * @ctrl: USB control request */ -static int s3c_hsotg_process_req_feature(struct dwc2_hsotg *hsotg, +static int dwc2_hsotg_process_req_feature(struct dwc2_hsotg *hsotg, struct usb_ctrlrequest *ctrl) { - struct s3c_hsotg_ep *ep0 = hsotg->eps_out[0]; - struct s3c_hsotg_req *hs_req; + struct dwc2_hsotg_ep *ep0 = hsotg->eps_out[0]; + struct dwc2_hsotg_req *hs_req; bool restart; bool set = (ctrl->bRequest == USB_REQ_SET_FEATURE); - struct s3c_hsotg_ep *ep; + struct dwc2_hsotg_ep *ep; int ret; bool halted; u32 recip; @@ -1074,7 +1074,7 @@ static int s3c_hsotg_process_req_feature(struct dwc2_hsotg *hsotg, return -EINVAL; hsotg->test_mode = wIndex >> 8; - ret = s3c_hsotg_send_reply(hsotg, ep0, NULL, 0); + ret = dwc2_hsotg_send_reply(hsotg, ep0, NULL, 0); if (ret) { dev_err(hsotg->dev, "%s: failed to send reply\n", __func__); @@ -1098,9 +1098,9 @@ static int s3c_hsotg_process_req_feature(struct dwc2_hsotg *hsotg, case USB_ENDPOINT_HALT: halted = ep->halted; - s3c_hsotg_ep_sethalt(&ep->ep, set); + dwc2_hsotg_ep_sethalt(&ep->ep, set); - ret = s3c_hsotg_send_reply(hsotg, ep0, NULL, 0); + ret = dwc2_hsotg_send_reply(hsotg, ep0, NULL, 0); if (ret) { dev_err(hsotg->dev, "%s: failed to send reply\n", __func__); @@ -1134,7 +1134,7 @@ static int s3c_hsotg_process_req_feature(struct dwc2_hsotg *hsotg, restart = !list_empty(&ep->queue); if (restart) { hs_req = get_ep_head(ep); - s3c_hsotg_start_req(hsotg, ep, + dwc2_hsotg_start_req(hsotg, ep, hs_req, false); } } @@ -1152,17 +1152,17 @@ static int s3c_hsotg_process_req_feature(struct dwc2_hsotg *hsotg, return 1; } -static void s3c_hsotg_enqueue_setup(struct dwc2_hsotg *hsotg); +static void dwc2_hsotg_enqueue_setup(struct dwc2_hsotg *hsotg); /** - * s3c_hsotg_stall_ep0 - stall ep0 + * dwc2_hsotg_stall_ep0 - stall ep0 * @hsotg: The device state * * Set stall for ep0 as response for setup request. */ -static void s3c_hsotg_stall_ep0(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_stall_ep0(struct dwc2_hsotg *hsotg) { - struct s3c_hsotg_ep *ep0 = hsotg->eps_out[0]; + struct dwc2_hsotg_ep *ep0 = hsotg->eps_out[0]; u32 reg; u32 ctrl; @@ -1187,11 +1187,11 @@ static void s3c_hsotg_stall_ep0(struct dwc2_hsotg *hsotg) * complete won't be called, so we enqueue * setup request here */ - s3c_hsotg_enqueue_setup(hsotg); + dwc2_hsotg_enqueue_setup(hsotg); } /** - * s3c_hsotg_process_control - process a control request + * dwc2_hsotg_process_control - process a control request * @hsotg: The device state * @ctrl: The control request received * @@ -1199,10 +1199,10 @@ static void s3c_hsotg_stall_ep0(struct dwc2_hsotg *hsotg) * needs to work out what to do next (and whether to pass it on to the * gadget driver). */ -static void s3c_hsotg_process_control(struct dwc2_hsotg *hsotg, +static void dwc2_hsotg_process_control(struct dwc2_hsotg *hsotg, struct usb_ctrlrequest *ctrl) { - struct s3c_hsotg_ep *ep0 = hsotg->eps_out[0]; + struct dwc2_hsotg_ep *ep0 = hsotg->eps_out[0]; int ret = 0; u32 dcfg; @@ -1233,16 +1233,16 @@ static void s3c_hsotg_process_control(struct dwc2_hsotg *hsotg, dev_info(hsotg->dev, "new address %d\n", ctrl->wValue); - ret = s3c_hsotg_send_reply(hsotg, ep0, NULL, 0); + ret = dwc2_hsotg_send_reply(hsotg, ep0, NULL, 0); return; case USB_REQ_GET_STATUS: - ret = s3c_hsotg_process_req_status(hsotg, ctrl); + ret = dwc2_hsotg_process_req_status(hsotg, ctrl); break; case USB_REQ_CLEAR_FEATURE: case USB_REQ_SET_FEATURE: - ret = s3c_hsotg_process_req_feature(hsotg, ctrl); + ret = dwc2_hsotg_process_req_feature(hsotg, ctrl); break; } } @@ -1263,21 +1263,21 @@ static void s3c_hsotg_process_control(struct dwc2_hsotg *hsotg, */ if (ret < 0) - s3c_hsotg_stall_ep0(hsotg); + dwc2_hsotg_stall_ep0(hsotg); } /** - * s3c_hsotg_complete_setup - completion of a setup transfer + * dwc2_hsotg_complete_setup - completion of a setup transfer * @ep: The endpoint the request was on. * @req: The request completed. * * Called on completion of any requests the driver itself submitted for * EP0 setup packets */ -static void s3c_hsotg_complete_setup(struct usb_ep *ep, +static void dwc2_hsotg_complete_setup(struct usb_ep *ep, struct usb_request *req) { - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hsotg = hs_ep->parent; if (req->status < 0) { @@ -1287,23 +1287,23 @@ static void s3c_hsotg_complete_setup(struct usb_ep *ep, spin_lock(&hsotg->lock); if (req->actual == 0) - s3c_hsotg_enqueue_setup(hsotg); + dwc2_hsotg_enqueue_setup(hsotg); else - s3c_hsotg_process_control(hsotg, req->buf); + dwc2_hsotg_process_control(hsotg, req->buf); spin_unlock(&hsotg->lock); } /** - * s3c_hsotg_enqueue_setup - start a request for EP0 packets + * dwc2_hsotg_enqueue_setup - start a request for EP0 packets * @hsotg: The device state. * * Enqueue a request on EP0 if necessary to received any SETUP packets * received from the host. */ -static void s3c_hsotg_enqueue_setup(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_enqueue_setup(struct dwc2_hsotg *hsotg) { struct usb_request *req = hsotg->ctrl_req; - struct s3c_hsotg_req *hs_req = our_req(req); + struct dwc2_hsotg_req *hs_req = our_req(req); int ret; dev_dbg(hsotg->dev, "%s: queueing setup request\n", __func__); @@ -1311,7 +1311,7 @@ static void s3c_hsotg_enqueue_setup(struct dwc2_hsotg *hsotg) req->zero = 0; req->length = 8; req->buf = hsotg->ctrl_buff; - req->complete = s3c_hsotg_complete_setup; + req->complete = dwc2_hsotg_complete_setup; if (!list_empty(&hs_req->queue)) { dev_dbg(hsotg->dev, "%s already queued???\n", __func__); @@ -1322,7 +1322,7 @@ static void s3c_hsotg_enqueue_setup(struct dwc2_hsotg *hsotg) hsotg->eps_out[0]->send_zlp = 0; hsotg->ep0_state = DWC2_EP0_SETUP; - ret = s3c_hsotg_ep_queue(&hsotg->eps_out[0]->ep, req, GFP_ATOMIC); + ret = dwc2_hsotg_ep_queue(&hsotg->eps_out[0]->ep, req, GFP_ATOMIC); if (ret < 0) { dev_err(hsotg->dev, "%s: failed queue (%d)\n", __func__, ret); /* @@ -1332,8 +1332,8 @@ static void s3c_hsotg_enqueue_setup(struct dwc2_hsotg *hsotg) } } -static void s3c_hsotg_program_zlp(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep) +static void dwc2_hsotg_program_zlp(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep) { u32 ctrl; u8 index = hs_ep->index; @@ -1359,7 +1359,7 @@ static void s3c_hsotg_program_zlp(struct dwc2_hsotg *hsotg, } /** - * s3c_hsotg_complete_request - complete a request given to us + * dwc2_hsotg_complete_request - complete a request given to us * @hsotg: The device state. * @hs_ep: The endpoint the request was on. * @hs_req: The request to complete. @@ -1371,9 +1371,9 @@ static void s3c_hsotg_program_zlp(struct dwc2_hsotg *hsotg, * * Note, expects the ep to already be locked as appropriate. */ -static void s3c_hsotg_complete_request(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, - struct s3c_hsotg_req *hs_req, +static void dwc2_hsotg_complete_request(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, + struct dwc2_hsotg_req *hs_req, int result) { bool restart; @@ -1394,13 +1394,13 @@ static void s3c_hsotg_complete_request(struct dwc2_hsotg *hsotg, if (hs_req->req.status == -EINPROGRESS) hs_req->req.status = result; - s3c_hsotg_handle_unaligned_buf_complete(hsotg, hs_ep, hs_req); + dwc2_hsotg_handle_unaligned_buf_complete(hsotg, hs_ep, hs_req); hs_ep->req = NULL; list_del_init(&hs_req->queue); if (using_dma(hsotg)) - s3c_hsotg_unmap_dma(hsotg, hs_ep, hs_req); + dwc2_hsotg_unmap_dma(hsotg, hs_ep, hs_req); /* * call the complete request with the locks off, just in case the @@ -1423,13 +1423,13 @@ static void s3c_hsotg_complete_request(struct dwc2_hsotg *hsotg, restart = !list_empty(&hs_ep->queue); if (restart) { hs_req = get_ep_head(hs_ep); - s3c_hsotg_start_req(hsotg, hs_ep, hs_req, false); + dwc2_hsotg_start_req(hsotg, hs_ep, hs_req, false); } } } /** - * s3c_hsotg_rx_data - receive data from the FIFO for an endpoint + * dwc2_hsotg_rx_data - receive data from the FIFO for an endpoint * @hsotg: The device state. * @ep_idx: The endpoint index for the data * @size: The size of data in the fifo, in bytes @@ -1438,10 +1438,10 @@ static void s3c_hsotg_complete_request(struct dwc2_hsotg *hsotg, * endpoint, so sort out whether we need to read the data into a request * that has been made for that endpoint. */ -static void s3c_hsotg_rx_data(struct dwc2_hsotg *hsotg, int ep_idx, int size) +static void dwc2_hsotg_rx_data(struct dwc2_hsotg *hsotg, int ep_idx, int size) { - struct s3c_hsotg_ep *hs_ep = hsotg->eps_out[ep_idx]; - struct s3c_hsotg_req *hs_req = hs_ep->req; + struct dwc2_hsotg_ep *hs_ep = hsotg->eps_out[ep_idx]; + struct dwc2_hsotg_req *hs_req = hs_ep->req; void __iomem *fifo = hsotg->regs + EPFIFO(ep_idx); int to_read; int max_req; @@ -1492,7 +1492,7 @@ static void s3c_hsotg_rx_data(struct dwc2_hsotg *hsotg, int ep_idx, int size) } /** - * s3c_hsotg_ep0_zlp - send/receive zero-length packet on control endpoint + * dwc2_hsotg_ep0_zlp - send/receive zero-length packet on control endpoint * @hsotg: The device instance * @dir_in: If IN zlp * @@ -1503,17 +1503,17 @@ static void s3c_hsotg_rx_data(struct dwc2_hsotg *hsotg, int ep_idx, int size) * currently believed that we do not need to wait for any space in * the TxFIFO. */ -static void s3c_hsotg_ep0_zlp(struct dwc2_hsotg *hsotg, bool dir_in) +static void dwc2_hsotg_ep0_zlp(struct dwc2_hsotg *hsotg, bool dir_in) { /* eps_out[0] is used in both directions */ hsotg->eps_out[0]->dir_in = dir_in; hsotg->ep0_state = dir_in ? DWC2_EP0_STATUS_IN : DWC2_EP0_STATUS_OUT; - s3c_hsotg_program_zlp(hsotg, hsotg->eps_out[0]); + dwc2_hsotg_program_zlp(hsotg, hsotg->eps_out[0]); } /** - * s3c_hsotg_handle_outdone - handle receiving OutDone/SetupDone from RXFIFO + * dwc2_hsotg_handle_outdone - handle receiving OutDone/SetupDone from RXFIFO * @hsotg: The device instance * @epnum: The endpoint received from * @@ -1521,11 +1521,11 @@ static void s3c_hsotg_ep0_zlp(struct dwc2_hsotg *hsotg, bool dir_in) * transfer for an OUT endpoint has been completed, either by a short * packet or by the finish of a transfer. */ -static void s3c_hsotg_handle_outdone(struct dwc2_hsotg *hsotg, int epnum) +static void dwc2_hsotg_handle_outdone(struct dwc2_hsotg *hsotg, int epnum) { u32 epsize = readl(hsotg->regs + DOEPTSIZ(epnum)); - struct s3c_hsotg_ep *hs_ep = hsotg->eps_out[epnum]; - struct s3c_hsotg_req *hs_req = hs_ep->req; + struct dwc2_hsotg_ep *hs_ep = hsotg->eps_out[epnum]; + struct dwc2_hsotg_req *hs_req = hs_ep->req; struct usb_request *req = &hs_req->req; unsigned size_left = DXEPTSIZ_XFERSIZE_GET(epsize); int result = 0; @@ -1537,8 +1537,8 @@ static void s3c_hsotg_handle_outdone(struct dwc2_hsotg *hsotg, int epnum) if (epnum == 0 && hsotg->ep0_state == DWC2_EP0_STATUS_OUT) { dev_dbg(hsotg->dev, "zlp packet received\n"); - s3c_hsotg_complete_request(hsotg, hs_ep, hs_req, 0); - s3c_hsotg_enqueue_setup(hsotg); + dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, 0); + dwc2_hsotg_enqueue_setup(hsotg); return; } @@ -1562,7 +1562,7 @@ static void s3c_hsotg_handle_outdone(struct dwc2_hsotg *hsotg, int epnum) /* if there is more request to do, schedule new transfer */ if (req->actual < req->length && size_left == 0) { - s3c_hsotg_start_req(hsotg, hs_ep, hs_req, true); + dwc2_hsotg_start_req(hsotg, hs_ep, hs_req, true); return; } @@ -1578,20 +1578,20 @@ static void s3c_hsotg_handle_outdone(struct dwc2_hsotg *hsotg, int epnum) if (epnum == 0 && hsotg->ep0_state == DWC2_EP0_DATA_OUT) { /* Move to STATUS IN */ - s3c_hsotg_ep0_zlp(hsotg, true); + dwc2_hsotg_ep0_zlp(hsotg, true); return; } - s3c_hsotg_complete_request(hsotg, hs_ep, hs_req, result); + dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, result); } /** - * s3c_hsotg_read_frameno - read current frame number + * dwc2_hsotg_read_frameno - read current frame number * @hsotg: The device instance * * Return the current frame number */ -static u32 s3c_hsotg_read_frameno(struct dwc2_hsotg *hsotg) +static u32 dwc2_hsotg_read_frameno(struct dwc2_hsotg *hsotg) { u32 dsts; @@ -1603,7 +1603,7 @@ static u32 s3c_hsotg_read_frameno(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_handle_rx - RX FIFO has data + * dwc2_hsotg_handle_rx - RX FIFO has data * @hsotg: The device instance * * The IRQ handler has detected that the RX FIFO has some data in it @@ -1618,7 +1618,7 @@ static u32 s3c_hsotg_read_frameno(struct dwc2_hsotg *hsotg) * as the actual data should be sent to the memory directly and we turn * on the completion interrupts to get notifications of transfer completion. */ -static void s3c_hsotg_handle_rx(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_handle_rx(struct dwc2_hsotg *hsotg) { u32 grxstsr = readl(hsotg->regs + GRXSTSP); u32 epnum, status, size; @@ -1641,55 +1641,55 @@ static void s3c_hsotg_handle_rx(struct dwc2_hsotg *hsotg) case GRXSTS_PKTSTS_OUTDONE: dev_dbg(hsotg->dev, "OutDone (Frame=0x%08x)\n", - s3c_hsotg_read_frameno(hsotg)); + dwc2_hsotg_read_frameno(hsotg)); if (!using_dma(hsotg)) - s3c_hsotg_handle_outdone(hsotg, epnum); + dwc2_hsotg_handle_outdone(hsotg, epnum); break; case GRXSTS_PKTSTS_SETUPDONE: dev_dbg(hsotg->dev, "SetupDone (Frame=0x%08x, DOPEPCTL=0x%08x)\n", - s3c_hsotg_read_frameno(hsotg), + dwc2_hsotg_read_frameno(hsotg), readl(hsotg->regs + DOEPCTL(0))); /* - * Call s3c_hsotg_handle_outdone here if it was not called from + * Call dwc2_hsotg_handle_outdone here if it was not called from * GRXSTS_PKTSTS_OUTDONE. That is, if the core didn't * generate GRXSTS_PKTSTS_OUTDONE for setup packet. */ if (hsotg->ep0_state == DWC2_EP0_SETUP) - s3c_hsotg_handle_outdone(hsotg, epnum); + dwc2_hsotg_handle_outdone(hsotg, epnum); break; case GRXSTS_PKTSTS_OUTRX: - s3c_hsotg_rx_data(hsotg, epnum, size); + dwc2_hsotg_rx_data(hsotg, epnum, size); break; case GRXSTS_PKTSTS_SETUPRX: dev_dbg(hsotg->dev, "SetupRX (Frame=0x%08x, DOPEPCTL=0x%08x)\n", - s3c_hsotg_read_frameno(hsotg), + dwc2_hsotg_read_frameno(hsotg), readl(hsotg->regs + DOEPCTL(0))); WARN_ON(hsotg->ep0_state != DWC2_EP0_SETUP); - s3c_hsotg_rx_data(hsotg, epnum, size); + dwc2_hsotg_rx_data(hsotg, epnum, size); break; default: dev_warn(hsotg->dev, "%s: unknown status %08x\n", __func__, grxstsr); - s3c_hsotg_dump(hsotg); + dwc2_hsotg_dump(hsotg); break; } } /** - * s3c_hsotg_ep0_mps - turn max packet size into register setting + * dwc2_hsotg_ep0_mps - turn max packet size into register setting * @mps: The maximum packet size in bytes. */ -static u32 s3c_hsotg_ep0_mps(unsigned int mps) +static u32 dwc2_hsotg_ep0_mps(unsigned int mps) { switch (mps) { case 64: @@ -1708,7 +1708,7 @@ static u32 s3c_hsotg_ep0_mps(unsigned int mps) } /** - * s3c_hsotg_set_ep_maxpacket - set endpoint's max-packet field + * dwc2_hsotg_set_ep_maxpacket - set endpoint's max-packet field * @hsotg: The driver state. * @ep: The index number of the endpoint * @mps: The maximum packet size in bytes @@ -1716,10 +1716,10 @@ static u32 s3c_hsotg_ep0_mps(unsigned int mps) * Configure the maximum packet size for the given endpoint, updating * the hardware control registers to reflect this. */ -static void s3c_hsotg_set_ep_maxpacket(struct dwc2_hsotg *hsotg, +static void dwc2_hsotg_set_ep_maxpacket(struct dwc2_hsotg *hsotg, unsigned int ep, unsigned int mps, unsigned int dir_in) { - struct s3c_hsotg_ep *hs_ep; + struct dwc2_hsotg_ep *hs_ep; void __iomem *regs = hsotg->regs; u32 mpsval; u32 mcval; @@ -1731,7 +1731,7 @@ static void s3c_hsotg_set_ep_maxpacket(struct dwc2_hsotg *hsotg, if (ep == 0) { /* EP0 is a special case */ - mpsval = s3c_hsotg_ep0_mps(mps); + mpsval = dwc2_hsotg_ep0_mps(mps); if (mpsval > 3) goto bad_mps; hs_ep->ep.maxpacket = mps; @@ -1766,11 +1766,11 @@ bad_mps: } /** - * s3c_hsotg_txfifo_flush - flush Tx FIFO + * dwc2_hsotg_txfifo_flush - flush Tx FIFO * @hsotg: The driver state * @idx: The index for the endpoint (0..15) */ -static void s3c_hsotg_txfifo_flush(struct dwc2_hsotg *hsotg, unsigned int idx) +static void dwc2_hsotg_txfifo_flush(struct dwc2_hsotg *hsotg, unsigned int idx) { int timeout; int val; @@ -1799,17 +1799,17 @@ static void s3c_hsotg_txfifo_flush(struct dwc2_hsotg *hsotg, unsigned int idx) } /** - * s3c_hsotg_trytx - check to see if anything needs transmitting + * dwc2_hsotg_trytx - check to see if anything needs transmitting * @hsotg: The driver state * @hs_ep: The driver endpoint to check. * * Check to see if there is a request that has data to send, and if so * make an attempt to write data into the FIFO. */ -static int s3c_hsotg_trytx(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep) +static int dwc2_hsotg_trytx(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep) { - struct s3c_hsotg_req *hs_req = hs_ep->req; + struct dwc2_hsotg_req *hs_req = hs_ep->req; if (!hs_ep->dir_in || !hs_req) { /** @@ -1817,7 +1817,7 @@ static int s3c_hsotg_trytx(struct dwc2_hsotg *hsotg, * for endpoints, excepting ep0 */ if (hs_ep->index != 0) - s3c_hsotg_ctrl_epint(hsotg, hs_ep->index, + dwc2_hsotg_ctrl_epint(hsotg, hs_ep->index, hs_ep->dir_in, 0); return 0; } @@ -1825,24 +1825,24 @@ static int s3c_hsotg_trytx(struct dwc2_hsotg *hsotg, if (hs_req->req.actual < hs_req->req.length) { dev_dbg(hsotg->dev, "trying to write more for ep%d\n", hs_ep->index); - return s3c_hsotg_write_fifo(hsotg, hs_ep, hs_req); + return dwc2_hsotg_write_fifo(hsotg, hs_ep, hs_req); } return 0; } /** - * s3c_hsotg_complete_in - complete IN transfer + * dwc2_hsotg_complete_in - complete IN transfer * @hsotg: The device state. * @hs_ep: The endpoint that has just completed. * * An IN transfer has been completed, update the transfer's state and then * call the relevant completion routines. */ -static void s3c_hsotg_complete_in(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep) +static void dwc2_hsotg_complete_in(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep) { - struct s3c_hsotg_req *hs_req = hs_ep->req; + struct dwc2_hsotg_req *hs_req = hs_ep->req; u32 epsize = readl(hsotg->regs + DIEPTSIZ(hs_ep->index)); int size_left, size_done; @@ -1854,19 +1854,19 @@ static void s3c_hsotg_complete_in(struct dwc2_hsotg *hsotg, /* Finish ZLP handling for IN EP0 transactions */ if (hs_ep->index == 0 && hsotg->ep0_state == DWC2_EP0_STATUS_IN) { dev_dbg(hsotg->dev, "zlp packet sent\n"); - s3c_hsotg_complete_request(hsotg, hs_ep, hs_req, 0); + dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, 0); if (hsotg->test_mode) { int ret; - ret = s3c_hsotg_set_test_mode(hsotg, hsotg->test_mode); + ret = dwc2_hsotg_set_test_mode(hsotg, hsotg->test_mode); if (ret < 0) { dev_dbg(hsotg->dev, "Invalid Test #%d\n", hsotg->test_mode); - s3c_hsotg_stall_ep0(hsotg); + dwc2_hsotg_stall_ep0(hsotg); return; } } - s3c_hsotg_enqueue_setup(hsotg); + dwc2_hsotg_enqueue_setup(hsotg); return; } @@ -1895,13 +1895,13 @@ static void s3c_hsotg_complete_in(struct dwc2_hsotg *hsotg, if (!size_left && hs_req->req.actual < hs_req->req.length) { dev_dbg(hsotg->dev, "%s trying more for req...\n", __func__); - s3c_hsotg_start_req(hsotg, hs_ep, hs_req, true); + dwc2_hsotg_start_req(hsotg, hs_ep, hs_req, true); return; } /* Zlp for all endpoints, for ep0 only in DATA IN stage */ if (hs_ep->send_zlp) { - s3c_hsotg_program_zlp(hsotg, hs_ep); + dwc2_hsotg_program_zlp(hsotg, hs_ep); hs_ep->send_zlp = 0; /* transfer will be completed on next complete interrupt */ return; @@ -1909,25 +1909,25 @@ static void s3c_hsotg_complete_in(struct dwc2_hsotg *hsotg, if (hs_ep->index == 0 && hsotg->ep0_state == DWC2_EP0_DATA_IN) { /* Move to STATUS OUT */ - s3c_hsotg_ep0_zlp(hsotg, false); + dwc2_hsotg_ep0_zlp(hsotg, false); return; } - s3c_hsotg_complete_request(hsotg, hs_ep, hs_req, 0); + dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, 0); } /** - * s3c_hsotg_epint - handle an in/out endpoint interrupt + * dwc2_hsotg_epint - handle an in/out endpoint interrupt * @hsotg: The driver state * @idx: The index for the endpoint (0..15) * @dir_in: Set if this is an IN endpoint * * Process and clear any interrupt pending for an individual endpoint */ -static void s3c_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx, +static void dwc2_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx, int dir_in) { - struct s3c_hsotg_ep *hs_ep = index_to_ep(hsotg, idx, dir_in); + struct dwc2_hsotg_ep *hs_ep = index_to_ep(hsotg, idx, dir_in); u32 epint_reg = dir_in ? DIEPINT(idx) : DOEPINT(idx); u32 epctl_reg = dir_in ? DIEPCTL(idx) : DOEPCTL(idx); u32 epsiz_reg = dir_in ? DIEPTSIZ(idx) : DOEPTSIZ(idx); @@ -1972,17 +1972,17 @@ static void s3c_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx, * at completing IN requests here */ if (dir_in) { - s3c_hsotg_complete_in(hsotg, hs_ep); + dwc2_hsotg_complete_in(hsotg, hs_ep); if (idx == 0 && !hs_ep->req) - s3c_hsotg_enqueue_setup(hsotg); + dwc2_hsotg_enqueue_setup(hsotg); } else if (using_dma(hsotg)) { /* * We're using DMA, we need to fire an OutDone here * as we ignore the RXFIFO. */ - s3c_hsotg_handle_outdone(hsotg, idx); + dwc2_hsotg_handle_outdone(hsotg, idx); } } @@ -1992,7 +1992,7 @@ static void s3c_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx, if (dir_in) { int epctl = readl(hsotg->regs + epctl_reg); - s3c_hsotg_txfifo_flush(hsotg, hs_ep->fifo_index); + dwc2_hsotg_txfifo_flush(hsotg, hs_ep->fifo_index); if ((epctl & DXEPCTL_STALL) && (epctl & DXEPCTL_EPTYPE_BULK)) { @@ -2021,7 +2021,7 @@ static void s3c_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx, if (dir_in) WARN_ON_ONCE(1); else - s3c_hsotg_handle_outdone(hsotg, 0); + dwc2_hsotg_handle_outdone(hsotg, 0); } } @@ -2047,19 +2047,19 @@ static void s3c_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx, dev_dbg(hsotg->dev, "%s: ep%d: TxFIFOEmpty\n", __func__, idx); if (!using_dma(hsotg)) - s3c_hsotg_trytx(hsotg, hs_ep); + dwc2_hsotg_trytx(hsotg, hs_ep); } } } /** - * s3c_hsotg_irq_enumdone - Handle EnumDone interrupt (enumeration done) + * dwc2_hsotg_irq_enumdone - Handle EnumDone interrupt (enumeration done) * @hsotg: The device state. * * Handle updating the device settings after the enumeration phase has * been completed. */ -static void s3c_hsotg_irq_enumdone(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_irq_enumdone(struct dwc2_hsotg *hsotg) { u32 dsts = readl(hsotg->regs + DSTS); int ep0_mps = 0, ep_mps = 8; @@ -2113,19 +2113,19 @@ static void s3c_hsotg_irq_enumdone(struct dwc2_hsotg *hsotg) if (ep0_mps) { int i; /* Initialize ep0 for both in and out directions */ - s3c_hsotg_set_ep_maxpacket(hsotg, 0, ep0_mps, 1); - s3c_hsotg_set_ep_maxpacket(hsotg, 0, ep0_mps, 0); + dwc2_hsotg_set_ep_maxpacket(hsotg, 0, ep0_mps, 1); + dwc2_hsotg_set_ep_maxpacket(hsotg, 0, ep0_mps, 0); for (i = 1; i < hsotg->num_of_eps; i++) { if (hsotg->eps_in[i]) - s3c_hsotg_set_ep_maxpacket(hsotg, i, ep_mps, 1); + dwc2_hsotg_set_ep_maxpacket(hsotg, i, ep_mps, 1); if (hsotg->eps_out[i]) - s3c_hsotg_set_ep_maxpacket(hsotg, i, ep_mps, 0); + dwc2_hsotg_set_ep_maxpacket(hsotg, i, ep_mps, 0); } } /* ensure after enumeration our EP0 is active */ - s3c_hsotg_enqueue_setup(hsotg); + dwc2_hsotg_enqueue_setup(hsotg); dev_dbg(hsotg->dev, "EP0: DIEPCTL0=0x%08x, DOEPCTL0=0x%08x\n", readl(hsotg->regs + DIEPCTL0), @@ -2142,34 +2142,34 @@ static void s3c_hsotg_irq_enumdone(struct dwc2_hsotg *hsotg) * completed with the given result code. */ static void kill_all_requests(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *ep, + struct dwc2_hsotg_ep *ep, int result) { - struct s3c_hsotg_req *req, *treq; + struct dwc2_hsotg_req *req, *treq; unsigned size; ep->req = NULL; list_for_each_entry_safe(req, treq, &ep->queue, queue) - s3c_hsotg_complete_request(hsotg, ep, req, + dwc2_hsotg_complete_request(hsotg, ep, req, result); if (!hsotg->dedicated_fifos) return; size = (readl(hsotg->regs + DTXFSTS(ep->index)) & 0xffff) * 4; if (size < ep->fifo_size) - s3c_hsotg_txfifo_flush(hsotg, ep->fifo_index); + dwc2_hsotg_txfifo_flush(hsotg, ep->fifo_index); } /** - * s3c_hsotg_disconnect - disconnect service + * dwc2_hsotg_disconnect - disconnect service * @hsotg: The device state. * * The device has been disconnected. Remove all current * transactions and signal the gadget driver that this * has happened. */ -void s3c_hsotg_disconnect(struct dwc2_hsotg *hsotg) +void dwc2_hsotg_disconnect(struct dwc2_hsotg *hsotg) { unsigned ep; @@ -2192,13 +2192,13 @@ void s3c_hsotg_disconnect(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_irq_fifoempty - TX FIFO empty interrupt handler + * dwc2_hsotg_irq_fifoempty - TX FIFO empty interrupt handler * @hsotg: The device state: * @periodic: True if this is a periodic FIFO interrupt */ -static void s3c_hsotg_irq_fifoempty(struct dwc2_hsotg *hsotg, bool periodic) +static void dwc2_hsotg_irq_fifoempty(struct dwc2_hsotg *hsotg, bool periodic) { - struct s3c_hsotg_ep *ep; + struct dwc2_hsotg_ep *ep; int epno, ret; /* look through for any more data to transmit */ @@ -2215,7 +2215,7 @@ static void s3c_hsotg_irq_fifoempty(struct dwc2_hsotg *hsotg, bool periodic) (!periodic && ep->periodic)) continue; - ret = s3c_hsotg_trytx(hsotg, ep); + ret = dwc2_hsotg_trytx(hsotg, ep); if (ret < 0) break; } @@ -2227,12 +2227,12 @@ static void s3c_hsotg_irq_fifoempty(struct dwc2_hsotg *hsotg, bool periodic) GINTSTS_RXFLVL) /** - * s3c_hsotg_corereset - issue softreset to the core + * dwc2_hsotg_corereset - issue softreset to the core * @hsotg: The device state * * Issue a soft reset to the core, and await the core finishing it. */ -static int s3c_hsotg_corereset(struct dwc2_hsotg *hsotg) +static int dwc2_hsotg_corereset(struct dwc2_hsotg *hsotg) { int timeout; u32 grstctl; @@ -2275,18 +2275,18 @@ static int s3c_hsotg_corereset(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_core_init - issue softreset to the core + * dwc2_hsotg_core_init - issue softreset to the core * @hsotg: The device state * * Issue a soft reset to the core, and await the core finishing it. */ -void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, +void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, bool is_usb_reset) { u32 val; if (!is_usb_reset) - s3c_hsotg_corereset(hsotg); + dwc2_hsotg_corereset(hsotg); /* * we must now enable ep0 ready for host detection and then @@ -2298,7 +2298,7 @@ void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, writel(hsotg->phyif | GUSBCFG_TOUTCAL(7) | (val << GUSBCFG_USBTRDTIM_SHIFT), hsotg->regs + GUSBCFG); - s3c_hsotg_init_fifo(hsotg); + dwc2_hsotg_init_fifo(hsotg); if (!is_usb_reset) __orr32(hsotg->regs + DCTL, DCTL_SFTDISCON); @@ -2359,7 +2359,7 @@ void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, readl(hsotg->regs + DOEPCTL0)); /* enable in and out endpoint interrupts */ - s3c_hsotg_en_gsint(hsotg, GINTSTS_OEPINT | GINTSTS_IEPINT); + dwc2_hsotg_en_gsint(hsotg, GINTSTS_OEPINT | GINTSTS_IEPINT); /* * Enable the RXFIFO when in slave mode, as this is how we collect @@ -2367,11 +2367,11 @@ void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, * things we cannot process, so do not use it. */ if (!using_dma(hsotg)) - s3c_hsotg_en_gsint(hsotg, GINTSTS_RXFLVL); + dwc2_hsotg_en_gsint(hsotg, GINTSTS_RXFLVL); /* Enable interrupts for EP0 in and out */ - s3c_hsotg_ctrl_epint(hsotg, 0, 0, 1); - s3c_hsotg_ctrl_epint(hsotg, 0, 1, 1); + dwc2_hsotg_ctrl_epint(hsotg, 0, 0, 1); + dwc2_hsotg_ctrl_epint(hsotg, 0, 1, 1); if (!is_usb_reset) { __orr32(hsotg->regs + DCTL, DCTL_PWRONPRGDONE); @@ -2390,16 +2390,16 @@ void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, writel(DXEPTSIZ_MC(1) | DXEPTSIZ_PKTCNT(1) | DXEPTSIZ_XFERSIZE(8), hsotg->regs + DOEPTSIZ0); - writel(s3c_hsotg_ep0_mps(hsotg->eps_out[0]->ep.maxpacket) | + writel(dwc2_hsotg_ep0_mps(hsotg->eps_out[0]->ep.maxpacket) | DXEPCTL_CNAK | DXEPCTL_EPENA | DXEPCTL_USBACTEP, hsotg->regs + DOEPCTL0); /* enable, but don't activate EP0in */ - writel(s3c_hsotg_ep0_mps(hsotg->eps_out[0]->ep.maxpacket) | + writel(dwc2_hsotg_ep0_mps(hsotg->eps_out[0]->ep.maxpacket) | DXEPCTL_USBACTEP, hsotg->regs + DIEPCTL0); - s3c_hsotg_enqueue_setup(hsotg); + dwc2_hsotg_enqueue_setup(hsotg); dev_dbg(hsotg->dev, "EP0: DIEPCTL0=0x%08x, DOEPCTL0=0x%08x\n", readl(hsotg->regs + DIEPCTL0), @@ -2417,24 +2417,24 @@ void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, hsotg->last_rst = jiffies; } -static void s3c_hsotg_core_disconnect(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_core_disconnect(struct dwc2_hsotg *hsotg) { /* set the soft-disconnect bit */ __orr32(hsotg->regs + DCTL, DCTL_SFTDISCON); } -void s3c_hsotg_core_connect(struct dwc2_hsotg *hsotg) +void dwc2_hsotg_core_connect(struct dwc2_hsotg *hsotg) { /* remove the soft-disconnect and let's go */ __bic32(hsotg->regs + DCTL, DCTL_SFTDISCON); } /** - * s3c_hsotg_irq - handle device interrupt + * dwc2_hsotg_irq - handle device interrupt * @irq: The IRQ number triggered * @pw: The pw value when registered the handler. */ -static irqreturn_t s3c_hsotg_irq(int irq, void *pw) +static irqreturn_t dwc2_hsotg_irq(int irq, void *pw) { struct dwc2_hsotg *hsotg = pw; int retry_count = 8; @@ -2454,7 +2454,7 @@ irq_retry: if (gintsts & GINTSTS_ENUMDONE) { writel(GINTSTS_ENUMDONE, hsotg->regs + GINTSTS); - s3c_hsotg_irq_enumdone(hsotg); + dwc2_hsotg_irq_enumdone(hsotg); } if (gintsts & (GINTSTS_OEPINT | GINTSTS_IEPINT)) { @@ -2472,13 +2472,13 @@ irq_retry: for (ep = 0; ep < hsotg->num_of_eps && daint_out; ep++, daint_out >>= 1) { if (daint_out & 1) - s3c_hsotg_epint(hsotg, ep, 0); + dwc2_hsotg_epint(hsotg, ep, 0); } for (ep = 0; ep < hsotg->num_of_eps && daint_in; ep++, daint_in >>= 1) { if (daint_in & 1) - s3c_hsotg_epint(hsotg, ep, 1); + dwc2_hsotg_epint(hsotg, ep, 1); } } @@ -2505,7 +2505,7 @@ irq_retry: writel(GINTSTS_USBRST, hsotg->regs + GINTSTS); /* Report disconnection if it is not already done. */ - s3c_hsotg_disconnect(hsotg); + dwc2_hsotg_disconnect(hsotg); if (usb_status & GOTGCTL_BSESVLD) { if (time_after(jiffies, hsotg->last_rst + @@ -2515,7 +2515,7 @@ irq_retry: -ECONNRESET); hsotg->lx_state = DWC2_L0; - s3c_hsotg_core_init_disconnected(hsotg, true); + dwc2_hsotg_core_init_disconnected(hsotg, true); } } } @@ -2531,8 +2531,8 @@ irq_retry: * it needs re-enabling */ - s3c_hsotg_disable_gsint(hsotg, GINTSTS_NPTXFEMP); - s3c_hsotg_irq_fifoempty(hsotg, false); + dwc2_hsotg_disable_gsint(hsotg, GINTSTS_NPTXFEMP); + dwc2_hsotg_irq_fifoempty(hsotg, false); } if (gintsts & GINTSTS_PTXFEMP) { @@ -2540,18 +2540,18 @@ irq_retry: /* See note in GINTSTS_NPTxFEmp */ - s3c_hsotg_disable_gsint(hsotg, GINTSTS_PTXFEMP); - s3c_hsotg_irq_fifoempty(hsotg, true); + dwc2_hsotg_disable_gsint(hsotg, GINTSTS_PTXFEMP); + dwc2_hsotg_irq_fifoempty(hsotg, true); } if (gintsts & GINTSTS_RXFLVL) { /* * note, since GINTSTS_RxFLvl doubles as FIFO-not-empty, - * we need to retry s3c_hsotg_handle_rx if this is still + * we need to retry dwc2_hsotg_handle_rx if this is still * set. */ - s3c_hsotg_handle_rx(hsotg); + dwc2_hsotg_handle_rx(hsotg); } if (gintsts & GINTSTS_ERLYSUSP) { @@ -2570,7 +2570,7 @@ irq_retry: writel(DCTL_CGOUTNAK, hsotg->regs + DCTL); - s3c_hsotg_dump(hsotg); + dwc2_hsotg_dump(hsotg); } if (gintsts & GINTSTS_GINNAKEFF) { @@ -2578,7 +2578,7 @@ irq_retry: writel(DCTL_CGNPINNAK, hsotg->regs + DCTL); - s3c_hsotg_dump(hsotg); + dwc2_hsotg_dump(hsotg); } /* @@ -2595,16 +2595,16 @@ irq_retry: } /** - * s3c_hsotg_ep_enable - enable the given endpoint + * dwc2_hsotg_ep_enable - enable the given endpoint * @ep: The USB endpint to configure * @desc: The USB endpoint descriptor to configure with. * * This is called from the USB gadget code's usb_ep_enable(). */ -static int s3c_hsotg_ep_enable(struct usb_ep *ep, +static int dwc2_hsotg_ep_enable(struct usb_ep *ep, const struct usb_endpoint_descriptor *desc) { - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hsotg = hs_ep->parent; unsigned long flags; unsigned int index = hs_ep->index; @@ -2631,7 +2631,7 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep, mps = usb_endpoint_maxp(desc); - /* note, we handle this here instead of s3c_hsotg_set_ep_maxpacket */ + /* note, we handle this here instead of dwc2_hsotg_set_ep_maxpacket */ epctrl_reg = dir_in ? DIEPCTL(index) : DOEPCTL(index); epctrl = readl(hsotg->regs + epctrl_reg); @@ -2660,7 +2660,7 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep, epctrl |= DXEPCTL_SNAK; /* update the endpoint state */ - s3c_hsotg_set_ep_maxpacket(hsotg, hs_ep->index, mps, dir_in); + dwc2_hsotg_set_ep_maxpacket(hsotg, hs_ep->index, mps, dir_in); /* default, set to non-periodic */ hs_ep->isochronous = 0; @@ -2752,7 +2752,7 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep, __func__, readl(hsotg->regs + epctrl_reg)); /* enable the endpoint interrupt */ - s3c_hsotg_ctrl_epint(hsotg, index, dir_in, 1); + dwc2_hsotg_ctrl_epint(hsotg, index, dir_in, 1); error: spin_unlock_irqrestore(&hsotg->lock, flags); @@ -2760,12 +2760,12 @@ error: } /** - * s3c_hsotg_ep_disable - disable given endpoint + * dwc2_hsotg_ep_disable - disable given endpoint * @ep: The endpoint to disable. */ -static int s3c_hsotg_ep_disable(struct usb_ep *ep) +static int dwc2_hsotg_ep_disable(struct usb_ep *ep) { - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hsotg = hs_ep->parent; int dir_in = hs_ep->dir_in; int index = hs_ep->index; @@ -2797,7 +2797,7 @@ static int s3c_hsotg_ep_disable(struct usb_ep *ep) writel(ctrl, hsotg->regs + epctrl_reg); /* disable endpoint interrupts */ - s3c_hsotg_ctrl_epint(hsotg, hs_ep->index, hs_ep->dir_in, 0); + dwc2_hsotg_ctrl_epint(hsotg, hs_ep->index, hs_ep->dir_in, 0); /* terminate all requests with shutdown */ kill_all_requests(hsotg, hs_ep, -ESHUTDOWN); @@ -2811,9 +2811,9 @@ static int s3c_hsotg_ep_disable(struct usb_ep *ep) * @ep: The endpoint to check. * @test: The request to test if it is on the endpoint. */ -static bool on_list(struct s3c_hsotg_ep *ep, struct s3c_hsotg_req *test) +static bool on_list(struct dwc2_hsotg_ep *ep, struct dwc2_hsotg_req *test) { - struct s3c_hsotg_req *req, *treq; + struct dwc2_hsotg_req *req, *treq; list_for_each_entry_safe(req, treq, &ep->queue, queue) { if (req == test) @@ -2824,14 +2824,14 @@ static bool on_list(struct s3c_hsotg_ep *ep, struct s3c_hsotg_req *test) } /** - * s3c_hsotg_ep_dequeue - dequeue given endpoint + * dwc2_hsotg_ep_dequeue - dequeue given endpoint * @ep: The endpoint to dequeue. * @req: The request to be removed from a queue. */ -static int s3c_hsotg_ep_dequeue(struct usb_ep *ep, struct usb_request *req) +static int dwc2_hsotg_ep_dequeue(struct usb_ep *ep, struct usb_request *req) { - struct s3c_hsotg_req *hs_req = our_req(req); - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_req *hs_req = our_req(req); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hs = hs_ep->parent; unsigned long flags; @@ -2844,20 +2844,20 @@ static int s3c_hsotg_ep_dequeue(struct usb_ep *ep, struct usb_request *req) return -EINVAL; } - s3c_hsotg_complete_request(hs, hs_ep, hs_req, -ECONNRESET); + dwc2_hsotg_complete_request(hs, hs_ep, hs_req, -ECONNRESET); spin_unlock_irqrestore(&hs->lock, flags); return 0; } /** - * s3c_hsotg_ep_sethalt - set halt on a given endpoint + * dwc2_hsotg_ep_sethalt - set halt on a given endpoint * @ep: The endpoint to set halt. * @value: Set or unset the halt. */ -static int s3c_hsotg_ep_sethalt(struct usb_ep *ep, int value) +static int dwc2_hsotg_ep_sethalt(struct usb_ep *ep, int value) { - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hs = hs_ep->parent; int index = hs_ep->index; u32 epreg; @@ -2868,7 +2868,7 @@ static int s3c_hsotg_ep_sethalt(struct usb_ep *ep, int value) if (index == 0) { if (value) - s3c_hsotg_stall_ep0(hs); + dwc2_hsotg_stall_ep0(hs); else dev_warn(hs->dev, "%s: can't clear halt on ep0\n", __func__); @@ -2914,43 +2914,43 @@ static int s3c_hsotg_ep_sethalt(struct usb_ep *ep, int value) } /** - * s3c_hsotg_ep_sethalt_lock - set halt on a given endpoint with lock held + * dwc2_hsotg_ep_sethalt_lock - set halt on a given endpoint with lock held * @ep: The endpoint to set halt. * @value: Set or unset the halt. */ -static int s3c_hsotg_ep_sethalt_lock(struct usb_ep *ep, int value) +static int dwc2_hsotg_ep_sethalt_lock(struct usb_ep *ep, int value) { - struct s3c_hsotg_ep *hs_ep = our_ep(ep); + struct dwc2_hsotg_ep *hs_ep = our_ep(ep); struct dwc2_hsotg *hs = hs_ep->parent; unsigned long flags = 0; int ret = 0; spin_lock_irqsave(&hs->lock, flags); - ret = s3c_hsotg_ep_sethalt(ep, value); + ret = dwc2_hsotg_ep_sethalt(ep, value); spin_unlock_irqrestore(&hs->lock, flags); return ret; } -static struct usb_ep_ops s3c_hsotg_ep_ops = { - .enable = s3c_hsotg_ep_enable, - .disable = s3c_hsotg_ep_disable, - .alloc_request = s3c_hsotg_ep_alloc_request, - .free_request = s3c_hsotg_ep_free_request, - .queue = s3c_hsotg_ep_queue_lock, - .dequeue = s3c_hsotg_ep_dequeue, - .set_halt = s3c_hsotg_ep_sethalt_lock, +static struct usb_ep_ops dwc2_hsotg_ep_ops = { + .enable = dwc2_hsotg_ep_enable, + .disable = dwc2_hsotg_ep_disable, + .alloc_request = dwc2_hsotg_ep_alloc_request, + .free_request = dwc2_hsotg_ep_free_request, + .queue = dwc2_hsotg_ep_queue_lock, + .dequeue = dwc2_hsotg_ep_dequeue, + .set_halt = dwc2_hsotg_ep_sethalt_lock, /* note, don't believe we have any call for the fifo routines */ }; /** - * s3c_hsotg_phy_enable - enable platform phy dev + * dwc2_hsotg_phy_enable - enable platform phy dev * @hsotg: The driver state * * A wrapper for platform code responsible for controlling * low-level USB code */ -static void s3c_hsotg_phy_enable(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_phy_enable(struct dwc2_hsotg *hsotg) { struct platform_device *pdev = to_platform_device(hsotg->dev); @@ -2967,13 +2967,13 @@ static void s3c_hsotg_phy_enable(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_phy_disable - disable platform phy dev + * dwc2_hsotg_phy_disable - disable platform phy dev * @hsotg: The driver state * * A wrapper for platform code responsible for controlling * low-level USB code */ -static void s3c_hsotg_phy_disable(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_phy_disable(struct dwc2_hsotg *hsotg) { struct platform_device *pdev = to_platform_device(hsotg->dev); @@ -2988,10 +2988,10 @@ static void s3c_hsotg_phy_disable(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_init - initalize the usb core + * dwc2_hsotg_init - initalize the usb core * @hsotg: The driver state */ -static void s3c_hsotg_init(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_init(struct dwc2_hsotg *hsotg) { u32 trdtim; /* unmask subset of endpoint interrupts */ @@ -3015,7 +3015,7 @@ static void s3c_hsotg_init(struct dwc2_hsotg *hsotg) readl(hsotg->regs + GRXFSIZ), readl(hsotg->regs + GNPTXFSIZ)); - s3c_hsotg_init_fifo(hsotg); + dwc2_hsotg_init_fifo(hsotg); /* set the PLL on, remove the HNP/SRP and set the PHY */ trdtim = (hsotg->phyif == GUSBCFG_PHYIF8) ? 9 : 5; @@ -3028,14 +3028,14 @@ static void s3c_hsotg_init(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_udc_start - prepare the udc for work + * dwc2_hsotg_udc_start - prepare the udc for work * @gadget: The usb gadget state * @driver: The usb gadget driver * * Perform initialization to prepare udc device and driver * to work. */ -static int s3c_hsotg_udc_start(struct usb_gadget *gadget, +static int dwc2_hsotg_udc_start(struct usb_gadget *gadget, struct usb_gadget_driver *driver) { struct dwc2_hsotg *hsotg = to_hsotg(gadget); @@ -3077,13 +3077,13 @@ static int s3c_hsotg_udc_start(struct usb_gadget *gadget, goto err; } - s3c_hsotg_phy_enable(hsotg); + dwc2_hsotg_phy_enable(hsotg); if (!IS_ERR_OR_NULL(hsotg->uphy)) otg_set_peripheral(hsotg->uphy->otg, &hsotg->gadget); spin_lock_irqsave(&hsotg->lock, flags); - s3c_hsotg_init(hsotg); - s3c_hsotg_core_init_disconnected(hsotg, false); + dwc2_hsotg_init(hsotg); + dwc2_hsotg_core_init_disconnected(hsotg, false); hsotg->enabled = 0; spin_unlock_irqrestore(&hsotg->lock, flags); @@ -3100,13 +3100,13 @@ err: } /** - * s3c_hsotg_udc_stop - stop the udc + * dwc2_hsotg_udc_stop - stop the udc * @gadget: The usb gadget state * @driver: The usb gadget driver * * Stop udc hw block and stay tunned for future transmissions */ -static int s3c_hsotg_udc_stop(struct usb_gadget *gadget) +static int dwc2_hsotg_udc_stop(struct usb_gadget *gadget) { struct dwc2_hsotg *hsotg = to_hsotg(gadget); unsigned long flags = 0; @@ -3120,9 +3120,9 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget) /* all endpoints should be shutdown */ for (ep = 1; ep < hsotg->num_of_eps; ep++) { if (hsotg->eps_in[ep]) - s3c_hsotg_ep_disable(&hsotg->eps_in[ep]->ep); + dwc2_hsotg_ep_disable(&hsotg->eps_in[ep]->ep); if (hsotg->eps_out[ep]) - s3c_hsotg_ep_disable(&hsotg->eps_out[ep]->ep); + dwc2_hsotg_ep_disable(&hsotg->eps_out[ep]->ep); } spin_lock_irqsave(&hsotg->lock, flags); @@ -3135,7 +3135,7 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget) if (!IS_ERR_OR_NULL(hsotg->uphy)) otg_set_peripheral(hsotg->uphy->otg, NULL); - s3c_hsotg_phy_disable(hsotg); + dwc2_hsotg_phy_disable(hsotg); regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies); @@ -3147,24 +3147,24 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget) } /** - * s3c_hsotg_gadget_getframe - read the frame number + * dwc2_hsotg_gadget_getframe - read the frame number * @gadget: The usb gadget state * * Read the {micro} frame number */ -static int s3c_hsotg_gadget_getframe(struct usb_gadget *gadget) +static int dwc2_hsotg_gadget_getframe(struct usb_gadget *gadget) { - return s3c_hsotg_read_frameno(to_hsotg(gadget)); + return dwc2_hsotg_read_frameno(to_hsotg(gadget)); } /** - * s3c_hsotg_pullup - connect/disconnect the USB PHY + * dwc2_hsotg_pullup - connect/disconnect the USB PHY * @gadget: The usb gadget state * @is_on: Current state of the USB PHY * * Connect/Disconnect the USB PHY pullup */ -static int s3c_hsotg_pullup(struct usb_gadget *gadget, int is_on) +static int dwc2_hsotg_pullup(struct usb_gadget *gadget, int is_on) { struct dwc2_hsotg *hsotg = to_hsotg(gadget); unsigned long flags = 0; @@ -3176,11 +3176,11 @@ static int s3c_hsotg_pullup(struct usb_gadget *gadget, int is_on) if (is_on) { clk_enable(hsotg->clk); hsotg->enabled = 1; - s3c_hsotg_core_init_disconnected(hsotg, false); - s3c_hsotg_core_connect(hsotg); + dwc2_hsotg_core_init_disconnected(hsotg, false); + dwc2_hsotg_core_connect(hsotg); } else { - s3c_hsotg_core_disconnect(hsotg); - s3c_hsotg_disconnect(hsotg); + dwc2_hsotg_core_disconnect(hsotg); + dwc2_hsotg_disconnect(hsotg); hsotg->enabled = 0; clk_disable(hsotg->clk); } @@ -3192,7 +3192,7 @@ static int s3c_hsotg_pullup(struct usb_gadget *gadget, int is_on) return 0; } -static int s3c_hsotg_vbus_session(struct usb_gadget *gadget, int is_active) +static int dwc2_hsotg_vbus_session(struct usb_gadget *gadget, int is_active) { struct dwc2_hsotg *hsotg = to_hsotg(gadget); unsigned long flags; @@ -3211,12 +3211,12 @@ static int s3c_hsotg_vbus_session(struct usb_gadget *gadget, int is_active) } /* Kill any ep0 requests as controller will be reinitialized */ kill_all_requests(hsotg, hsotg->eps_out[0], -ECONNRESET); - s3c_hsotg_core_init_disconnected(hsotg, false); + dwc2_hsotg_core_init_disconnected(hsotg, false); if (hsotg->enabled) - s3c_hsotg_core_connect(hsotg); + dwc2_hsotg_core_connect(hsotg); } else { - s3c_hsotg_core_disconnect(hsotg); - s3c_hsotg_disconnect(hsotg); + dwc2_hsotg_core_disconnect(hsotg); + dwc2_hsotg_disconnect(hsotg); } spin_unlock_irqrestore(&hsotg->lock, flags); @@ -3224,13 +3224,13 @@ static int s3c_hsotg_vbus_session(struct usb_gadget *gadget, int is_active) } /** - * s3c_hsotg_vbus_draw - report bMaxPower field + * dwc2_hsotg_vbus_draw - report bMaxPower field * @gadget: The usb gadget state * @mA: Amount of current * * Report how much power the device may consume to the phy. */ -static int s3c_hsotg_vbus_draw(struct usb_gadget *gadget, unsigned mA) +static int dwc2_hsotg_vbus_draw(struct usb_gadget *gadget, unsigned mA) { struct dwc2_hsotg *hsotg = to_hsotg(gadget); @@ -3239,17 +3239,17 @@ static int s3c_hsotg_vbus_draw(struct usb_gadget *gadget, unsigned mA) return usb_phy_set_power(hsotg->uphy, mA); } -static const struct usb_gadget_ops s3c_hsotg_gadget_ops = { - .get_frame = s3c_hsotg_gadget_getframe, - .udc_start = s3c_hsotg_udc_start, - .udc_stop = s3c_hsotg_udc_stop, - .pullup = s3c_hsotg_pullup, - .vbus_session = s3c_hsotg_vbus_session, - .vbus_draw = s3c_hsotg_vbus_draw, +static const struct usb_gadget_ops dwc2_hsotg_gadget_ops = { + .get_frame = dwc2_hsotg_gadget_getframe, + .udc_start = dwc2_hsotg_udc_start, + .udc_stop = dwc2_hsotg_udc_stop, + .pullup = dwc2_hsotg_pullup, + .vbus_session = dwc2_hsotg_vbus_session, + .vbus_draw = dwc2_hsotg_vbus_draw, }; /** - * s3c_hsotg_initep - initialise a single endpoint + * dwc2_hsotg_initep - initialise a single endpoint * @hsotg: The device state. * @hs_ep: The endpoint to be initialised. * @epnum: The endpoint number @@ -3258,8 +3258,8 @@ static const struct usb_gadget_ops s3c_hsotg_gadget_ops = { * creation) to give to the gadget driver. Setup the endpoint name, any * direction information and other state that may be required. */ -static void s3c_hsotg_initep(struct dwc2_hsotg *hsotg, - struct s3c_hsotg_ep *hs_ep, +static void dwc2_hsotg_initep(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, int epnum, bool dir_in) { @@ -3287,7 +3287,7 @@ static void s3c_hsotg_initep(struct dwc2_hsotg *hsotg, hs_ep->parent = hsotg; hs_ep->ep.name = hs_ep->name; usb_ep_set_maxpacket_limit(&hs_ep->ep, epnum ? 1024 : EP0_MPS_LIMIT); - hs_ep->ep.ops = &s3c_hsotg_ep_ops; + hs_ep->ep.ops = &dwc2_hsotg_ep_ops; if (epnum == 0) { hs_ep->ep.caps.type_control = true; @@ -3317,12 +3317,12 @@ static void s3c_hsotg_initep(struct dwc2_hsotg *hsotg, } /** - * s3c_hsotg_hw_cfg - read HW configuration registers + * dwc2_hsotg_hw_cfg - read HW configuration registers * @param: The device state * * Read the USB core HW configuration registers */ -static int s3c_hsotg_hw_cfg(struct dwc2_hsotg *hsotg) +static int dwc2_hsotg_hw_cfg(struct dwc2_hsotg *hsotg) { u32 cfg; u32 ep_type; @@ -3335,11 +3335,11 @@ static int s3c_hsotg_hw_cfg(struct dwc2_hsotg *hsotg) /* Add ep0 */ hsotg->num_of_eps++; - hsotg->eps_in[0] = devm_kzalloc(hsotg->dev, sizeof(struct s3c_hsotg_ep), + hsotg->eps_in[0] = devm_kzalloc(hsotg->dev, sizeof(struct dwc2_hsotg_ep), GFP_KERNEL); if (!hsotg->eps_in[0]) return -ENOMEM; - /* Same s3c_hsotg_ep is used in both directions for ep0 */ + /* Same dwc2_hsotg_ep is used in both directions for ep0 */ hsotg->eps_out[0] = hsotg->eps_in[0]; cfg = readl(hsotg->regs + GHWCFG1); @@ -3348,14 +3348,14 @@ static int s3c_hsotg_hw_cfg(struct dwc2_hsotg *hsotg) /* Direction in or both */ if (!(ep_type & 2)) { hsotg->eps_in[i] = devm_kzalloc(hsotg->dev, - sizeof(struct s3c_hsotg_ep), GFP_KERNEL); + sizeof(struct dwc2_hsotg_ep), GFP_KERNEL); if (!hsotg->eps_in[i]) return -ENOMEM; } /* Direction out or both */ if (!(ep_type & 1)) { hsotg->eps_out[i] = devm_kzalloc(hsotg->dev, - sizeof(struct s3c_hsotg_ep), GFP_KERNEL); + sizeof(struct dwc2_hsotg_ep), GFP_KERNEL); if (!hsotg->eps_out[i]) return -ENOMEM; } @@ -3375,10 +3375,10 @@ static int s3c_hsotg_hw_cfg(struct dwc2_hsotg *hsotg) } /** - * s3c_hsotg_dump - dump state of the udc + * dwc2_hsotg_dump - dump state of the udc * @param: The device state */ -static void s3c_hsotg_dump(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_dump(struct dwc2_hsotg *hsotg) { #ifdef DEBUG struct device *dev = hsotg->dev; @@ -3427,7 +3427,7 @@ static void s3c_hsotg_dump(struct dwc2_hsotg *hsotg) } #ifdef CONFIG_OF -static void s3c_hsotg_of_probe(struct dwc2_hsotg *hsotg) +static void dwc2_hsotg_of_probe(struct dwc2_hsotg *hsotg) { struct device_node *np = hsotg->dev->of_node; u32 len = 0; @@ -3468,7 +3468,7 @@ rx_fifo: &hsotg->g_np_g_tx_fifo_sz); } #else -static inline void s3c_hsotg_of_probe(struct dwc2_hsotg *hsotg) { } +static inline void dwc2_hsotg_of_probe(struct dwc2_hsotg *hsotg) { } #endif /** @@ -3479,7 +3479,7 @@ static inline void s3c_hsotg_of_probe(struct dwc2_hsotg *hsotg) { } int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) { struct device *dev = hsotg->dev; - struct s3c_hsotg_plat *plat = dev->platform_data; + struct dwc2_hsotg_plat *plat = dev->platform_data; int epnum; int ret; int i; @@ -3488,14 +3488,14 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) /* Set default UTMI width */ hsotg->phyif = GUSBCFG_PHYIF16; - s3c_hsotg_of_probe(hsotg); + dwc2_hsotg_of_probe(hsotg); /* Initialize to legacy fifo configuration values */ hsotg->g_rx_fifo_sz = 2048; hsotg->g_np_g_tx_fifo_sz = 1024; memcpy(&hsotg->g_tx_fifo_sz[1], p_tx_fifo, sizeof(p_tx_fifo)); /* Device tree specific probe */ - s3c_hsotg_of_probe(hsotg); + dwc2_hsotg_of_probe(hsotg); /* Dump fifo information */ dev_dbg(dev, "NonPeriodic TXFIFO size: %d\n", hsotg->g_np_g_tx_fifo_sz); @@ -3531,7 +3531,7 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) } hsotg->gadget.max_speed = USB_SPEED_HIGH; - hsotg->gadget.ops = &s3c_hsotg_gadget_ops; + hsotg->gadget.ops = &dwc2_hsotg_gadget_ops; hsotg->gadget.name = dev_name(dev); if (hsotg->dr_mode == USB_DR_MODE_OTG) hsotg->gadget.is_otg = 1; @@ -3548,7 +3548,7 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) /* regulators */ for (i = 0; i < ARRAY_SIZE(hsotg->supplies); i++) - hsotg->supplies[i].supply = s3c_hsotg_supply_names[i]; + hsotg->supplies[i].supply = dwc2_hsotg_supply_names[i]; ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(hsotg->supplies), hsotg->supplies); @@ -3566,7 +3566,7 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) } /* usb phy enable */ - s3c_hsotg_phy_enable(hsotg); + dwc2_hsotg_phy_enable(hsotg); /* * Force Device mode before initialization. @@ -3581,14 +3581,14 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) */ msleep(25); - s3c_hsotg_corereset(hsotg); - ret = s3c_hsotg_hw_cfg(hsotg); + dwc2_hsotg_corereset(hsotg); + ret = dwc2_hsotg_hw_cfg(hsotg); if (ret) { dev_err(hsotg->dev, "Hardware configuration failed: %d\n", ret); goto err_clk; } - s3c_hsotg_init(hsotg); + dwc2_hsotg_init(hsotg); /* Switch back to default configuration */ __bic32(hsotg->regs + GUSBCFG, GUSBCFG_FORCEDEVMODE); @@ -3609,10 +3609,10 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) goto err_supplies; } - ret = devm_request_irq(hsotg->dev, irq, s3c_hsotg_irq, IRQF_SHARED, + ret = devm_request_irq(hsotg->dev, irq, dwc2_hsotg_irq, IRQF_SHARED, dev_name(hsotg->dev), hsotg); if (ret < 0) { - s3c_hsotg_phy_disable(hsotg); + dwc2_hsotg_phy_disable(hsotg); clk_disable_unprepare(hsotg->clk); regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies); @@ -3635,7 +3635,7 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) /* allocate EP0 request */ - hsotg->ctrl_req = s3c_hsotg_ep_alloc_request(&hsotg->eps_out[0]->ep, + hsotg->ctrl_req = dwc2_hsotg_ep_alloc_request(&hsotg->eps_out[0]->ep, GFP_KERNEL); if (!hsotg->ctrl_req) { dev_err(dev, "failed to allocate ctrl req\n"); @@ -3646,15 +3646,15 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) /* initialise the endpoints now the core has been initialised */ for (epnum = 0; epnum < hsotg->num_of_eps; epnum++) { if (hsotg->eps_in[epnum]) - s3c_hsotg_initep(hsotg, hsotg->eps_in[epnum], + dwc2_hsotg_initep(hsotg, hsotg->eps_in[epnum], epnum, 1); if (hsotg->eps_out[epnum]) - s3c_hsotg_initep(hsotg, hsotg->eps_out[epnum], + dwc2_hsotg_initep(hsotg, hsotg->eps_out[epnum], epnum, 0); } /* disable power and clock */ - s3c_hsotg_phy_disable(hsotg); + dwc2_hsotg_phy_disable(hsotg); ret = regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies); @@ -3667,12 +3667,12 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq) if (ret) goto err_supplies; - s3c_hsotg_dump(hsotg); + dwc2_hsotg_dump(hsotg); return 0; err_supplies: - s3c_hsotg_phy_disable(hsotg); + dwc2_hsotg_phy_disable(hsotg); err_clk: clk_disable_unprepare(hsotg->clk); @@ -3680,10 +3680,10 @@ err_clk: } /** - * s3c_hsotg_remove - remove function for hsotg driver + * dwc2_hsotg_remove - remove function for hsotg driver * @pdev: The platform information for the driver */ -int s3c_hsotg_remove(struct dwc2_hsotg *hsotg) +int dwc2_hsotg_remove(struct dwc2_hsotg *hsotg) { usb_del_gadget_udc(&hsotg->gadget); clk_disable_unprepare(hsotg->clk); @@ -3691,7 +3691,7 @@ int s3c_hsotg_remove(struct dwc2_hsotg *hsotg) return 0; } -int s3c_hsotg_suspend(struct dwc2_hsotg *hsotg) +int dwc2_hsotg_suspend(struct dwc2_hsotg *hsotg) { unsigned long flags; int ret = 0; @@ -3709,18 +3709,18 @@ int s3c_hsotg_suspend(struct dwc2_hsotg *hsotg) spin_lock_irqsave(&hsotg->lock, flags); if (hsotg->enabled) - s3c_hsotg_core_disconnect(hsotg); - s3c_hsotg_disconnect(hsotg); + dwc2_hsotg_core_disconnect(hsotg); + dwc2_hsotg_disconnect(hsotg); hsotg->gadget.speed = USB_SPEED_UNKNOWN; spin_unlock_irqrestore(&hsotg->lock, flags); - s3c_hsotg_phy_disable(hsotg); + dwc2_hsotg_phy_disable(hsotg); for (ep = 0; ep < hsotg->num_of_eps; ep++) { if (hsotg->eps_in[ep]) - s3c_hsotg_ep_disable(&hsotg->eps_in[ep]->ep); + dwc2_hsotg_ep_disable(&hsotg->eps_in[ep]->ep); if (hsotg->eps_out[ep]) - s3c_hsotg_ep_disable(&hsotg->eps_out[ep]->ep); + dwc2_hsotg_ep_disable(&hsotg->eps_out[ep]->ep); } ret = regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), @@ -3733,7 +3733,7 @@ int s3c_hsotg_suspend(struct dwc2_hsotg *hsotg) return ret; } -int s3c_hsotg_resume(struct dwc2_hsotg *hsotg) +int dwc2_hsotg_resume(struct dwc2_hsotg *hsotg) { unsigned long flags; int ret = 0; @@ -3751,12 +3751,12 @@ int s3c_hsotg_resume(struct dwc2_hsotg *hsotg) ret = regulator_bulk_enable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies); - s3c_hsotg_phy_enable(hsotg); + dwc2_hsotg_phy_enable(hsotg); spin_lock_irqsave(&hsotg->lock, flags); - s3c_hsotg_core_init_disconnected(hsotg, false); + dwc2_hsotg_core_init_disconnected(hsotg, false); if (hsotg->enabled) - s3c_hsotg_core_connect(hsotg); + dwc2_hsotg_core_connect(hsotg); spin_unlock_irqrestore(&hsotg->lock, flags); } mutex_unlock(&hsotg->init_mutex); diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index f845c41fe9e5..007a3d5a0642 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -1382,8 +1382,8 @@ static void dwc2_conn_id_status_change(struct work_struct *work) hsotg->op_state = OTG_STATE_B_PERIPHERAL; dwc2_core_init(hsotg, false, -1); dwc2_enable_global_interrupts(hsotg); - s3c_hsotg_core_init_disconnected(hsotg, false); - s3c_hsotg_core_connect(hsotg); + dwc2_hsotg_core_init_disconnected(hsotg, false); + dwc2_hsotg_core_connect(hsotg); } else { /* A-Device connector (Host Mode) */ dev_dbg(hsotg->dev, "connId A\n"); diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index 90935304185a..3d1f82def2f3 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -130,7 +130,7 @@ static int dwc2_driver_remove(struct platform_device *dev) if (hsotg->hcd_enabled) dwc2_hcd_remove(hsotg); if (hsotg->gadget_enabled) - s3c_hsotg_remove(hsotg); + dwc2_hsotg_remove(hsotg); return 0; } @@ -269,7 +269,7 @@ static int dwc2_driver_probe(struct platform_device *dev) retval = dwc2_hcd_init(hsotg, irq); if (retval) { if (hsotg->gadget_enabled) - s3c_hsotg_remove(hsotg); + dwc2_hsotg_remove(hsotg); return retval; } hsotg->hcd_enabled = 1; @@ -288,7 +288,7 @@ static int __maybe_unused dwc2_suspend(struct device *dev) int ret = 0; if (dwc2_is_device_mode(dwc2)) { - ret = s3c_hsotg_suspend(dwc2); + ret = dwc2_hsotg_suspend(dwc2); } else { if (dwc2->lx_state == DWC2_L0) return 0; @@ -305,7 +305,7 @@ static int __maybe_unused dwc2_resume(struct device *dev) int ret = 0; if (dwc2_is_device_mode(dwc2)) { - ret = s3c_hsotg_resume(dwc2); + ret = dwc2_hsotg_resume(dwc2); } else { phy_power_on(dwc2->phy); phy_init(dwc2->phy); diff --git a/include/linux/platform_data/s3c-hsotg.h b/include/linux/platform_data/s3c-hsotg.h index 3f1cbf95ec3b..3982586ba6df 100644 --- a/include/linux/platform_data/s3c-hsotg.h +++ b/include/linux/platform_data/s3c-hsotg.h @@ -17,19 +17,19 @@ struct platform_device; -enum s3c_hsotg_dmamode { +enum dwc2_hsotg_dmamode { S3C_HSOTG_DMA_NONE, /* do not use DMA at-all */ S3C_HSOTG_DMA_ONLY, /* always use DMA */ S3C_HSOTG_DMA_DRV, /* DMA is chosen by driver */ }; /** - * struct s3c_hsotg_plat - platform data for high-speed otg/udc + * struct dwc2_hsotg_plat - platform data for high-speed otg/udc * @dma: Whether to use DMA or not. * @is_osc: The clock source is an oscillator, not a crystal */ -struct s3c_hsotg_plat { - enum s3c_hsotg_dmamode dma; +struct dwc2_hsotg_plat { + enum dwc2_hsotg_dmamode dma; unsigned int is_osc:1; int phy_type; @@ -37,6 +37,6 @@ struct s3c_hsotg_plat { int (*phy_exit)(struct platform_device *pdev, int type); }; -extern void s3c_hsotg_set_platdata(struct s3c_hsotg_plat *pd); +extern void dwc2_hsotg_set_platdata(struct dwc2_hsotg_plat *pd); #endif /* __LINUX_USB_S3C_HSOTG_H */ -- cgit v1.2.3 From 428163d703712d11cacfddaf30f40b18ccc50042 Mon Sep 17 00:00:00 2001 From: Alexandre Belloni Date: Mon, 10 Aug 2015 16:46:19 +0200 Subject: usb: gadget: at91_udc: move at91_udc_data in at91_udc.h struct at91_udc_data is now only used inside the driver, move it to its include. Acked-by: Nicolas Ferre Signed-off-by: Alexandre Belloni Signed-off-by: Felipe Balbi --- drivers/usb/gadget/udc/at91_udc.h | 8 ++++++++ include/linux/platform_data/atmel.h | 9 --------- 2 files changed, 8 insertions(+), 9 deletions(-) (limited to 'include/linux') diff --git a/drivers/usb/gadget/udc/at91_udc.h b/drivers/usb/gadget/udc/at91_udc.h index 2679c8b217cc..0a433e6b346b 100644 --- a/drivers/usb/gadget/udc/at91_udc.h +++ b/drivers/usb/gadget/udc/at91_udc.h @@ -112,6 +112,14 @@ struct at91_udc_caps { void (*pullup)(struct at91_udc *udc, int is_on); }; +struct at91_udc_data { + int vbus_pin; /* high == host powering us */ + u8 vbus_active_low; /* vbus polarity */ + u8 vbus_polled; /* Use polling, not interrupt */ + int pullup_pin; /* active == D+ pulled up */ + u8 pullup_active_low; /* true == pullup_pin is active low */ +}; + /* * driver is non-SMP, and just blocks IRQs whenever it needs * access protection for chip registers or driver state diff --git a/include/linux/platform_data/atmel.h b/include/linux/platform_data/atmel.h index 527a85c61924..9127ebbaa487 100644 --- a/include/linux/platform_data/atmel.h +++ b/include/linux/platform_data/atmel.h @@ -25,15 +25,6 @@ */ #define ATMEL_MAX_UART 7 - /* USB Device */ -struct at91_udc_data { - int vbus_pin; /* high == host powering us */ - u8 vbus_active_low; /* vbus polarity */ - u8 vbus_polled; /* Use polling, not interrupt */ - int pullup_pin; /* active == D+ pulled up */ - u8 pullup_active_low; /* true == pullup_pin is active low */ -}; - /* Compact Flash */ struct at91_cf_data { int irq_pin; /* I/O IRQ */ -- cgit v1.2.3 From b67f628c84329a9ce82dbff5fde196dc4624e7c2 Mon Sep 17 00:00:00 2001 From: Robert Baldyga Date: Wed, 16 Sep 2015 12:10:41 +0200 Subject: usb: gadget: epautoconf: add usb_ep_autoconfig_release() function This patch introduces usb_ep_autoconfig_release() function which allows to release endpoint previously obtained from usb_ep_autoconfig() during USB function bind. Signed-off-by: Robert Baldyga Signed-off-by: Felipe Balbi --- drivers/usb/gadget/epautoconf.c | 17 +++++++++++++++++ include/linux/usb/gadget.h | 2 ++ 2 files changed, 19 insertions(+) (limited to 'include/linux') diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c index 0f4ece44d703..30fdab0ae383 100644 --- a/drivers/usb/gadget/epautoconf.c +++ b/drivers/usb/gadget/epautoconf.c @@ -171,6 +171,23 @@ struct usb_ep *usb_ep_autoconfig( } EXPORT_SYMBOL_GPL(usb_ep_autoconfig); +/** + * usb_ep_autoconfig_release - releases endpoint and set it to initial state + * @ep: endpoint which should be released + * + * This function can be used during function bind for endpoints obtained + * from usb_ep_autoconfig(). It unclaims endpoint claimed by + * usb_ep_autoconfig() to make it available for other functions. Endpoint + * which was released is no longer invalid and shouldn't be used in + * context of function which released it. + */ +void usb_ep_autoconfig_release(struct usb_ep *ep) +{ + ep->claimed = false; + ep->driver_data = NULL; +} +EXPORT_SYMBOL_GPL(usb_ep_autoconfig_release); + /** * usb_ep_autoconfig_reset - reset endpoint autoconfig state * @gadget: device for which autoconfig state will be reset diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index c14a69b36d27..3f299e2b6942 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -1233,6 +1233,8 @@ extern struct usb_ep *usb_ep_autoconfig_ss(struct usb_gadget *, struct usb_endpoint_descriptor *, struct usb_ss_ep_comp_descriptor *); +extern void usb_ep_autoconfig_release(struct usb_ep *); + extern void usb_ep_autoconfig_reset(struct usb_gadget *); #endif /* __LINUX_USB_GADGET_H */ -- cgit v1.2.3 From b0bac2581c1918cc4ab0aca01977ad69f0bc127a Mon Sep 17 00:00:00 2001 From: Robert Baldyga Date: Wed, 16 Sep 2015 12:10:42 +0200 Subject: usb: gadget: introduce 'enabled' flag in struct usb_ep This patch introduces 'enabled' flag in struct usb_ep, and modifies usb_ep_enable() and usb_ep_disable() functions to encapsulate endpoint enabled/disabled state. It helps to avoid enabling endpoints which are already enabled, and disabling endpoints which are already disables. From now USB functions don't have to remember current endpoint enable/disable state, as this state is now handled automatically which makes this API less bug-prone. Signed-off-by: Robert Baldyga Signed-off-by: Felipe Balbi --- include/linux/usb/gadget.h | 27 +++++++++++++++++++++++++-- 1 file changed, 25 insertions(+), 2 deletions(-) (limited to 'include/linux') diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 3f299e2b6942..3d583a10b926 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -215,6 +215,7 @@ struct usb_ep { struct list_head ep_list; struct usb_ep_caps caps; bool claimed; + bool enabled; unsigned maxpacket:16; unsigned maxpacket_limit:16; unsigned max_streams:16; @@ -264,7 +265,18 @@ static inline void usb_ep_set_maxpacket_limit(struct usb_ep *ep, */ static inline int usb_ep_enable(struct usb_ep *ep) { - return ep->ops->enable(ep, ep->desc); + int ret; + + if (ep->enabled) + return 0; + + ret = ep->ops->enable(ep, ep->desc); + if (ret) + return ret; + + ep->enabled = true; + + return 0; } /** @@ -281,7 +293,18 @@ static inline int usb_ep_enable(struct usb_ep *ep) */ static inline int usb_ep_disable(struct usb_ep *ep) { - return ep->ops->disable(ep); + int ret; + + if (!ep->enabled) + return 0; + + ret = ep->ops->disable(ep); + if (ret) + return ret; + + ep->enabled = false; + + return 0; } /** -- cgit v1.2.3 From 58efd4b06df4a421652cb2c8a850a9697a37915c Mon Sep 17 00:00:00 2001 From: Peter Chen Date: Tue, 22 Sep 2015 15:31:34 +0800 Subject: usb: phy: change some comments - Replace all "transceiver" with "phy" - Replace one "OTG controller" with "phy" Signed-off-by: Peter Chen Signed-off-by: Felipe Balbi --- include/linux/usb/phy.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'include/linux') diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h index e39f251cf861..31a8068c42a5 100644 --- a/include/linux/usb/phy.h +++ b/include/linux/usb/phy.h @@ -63,7 +63,7 @@ enum usb_otg_state { struct usb_phy; struct usb_otg; -/* for transceivers connected thru an ULPI interface, the user must +/* for phys connected thru an ULPI interface, the user must * provide access ops */ struct usb_phy_io_ops { @@ -92,10 +92,10 @@ struct usb_phy { u16 port_status; u16 port_change; - /* to support controllers that have multiple transceivers */ + /* to support controllers that have multiple phys */ struct list_head head; - /* initialize/shutdown the OTG controller */ + /* initialize/shutdown the phy */ int (*init)(struct usb_phy *x); void (*shutdown)(struct usb_phy *x); @@ -106,7 +106,7 @@ struct usb_phy { int (*set_power)(struct usb_phy *x, unsigned mA); - /* Set transceiver into suspend mode */ + /* Set phy into suspend mode */ int (*set_suspend)(struct usb_phy *x, int suspend); -- cgit v1.2.3 From 63863b988eeca2823ce76b28b104e0b8366cafec Mon Sep 17 00:00:00 2001 From: Heikki Krogerus Date: Mon, 21 Sep 2015 11:14:32 +0300 Subject: usb: common: of_usb_get_maximum_speed to usb_get_maximum_speed By using the unified device property interface, the function can be made available for all platforms and not just the ones using DT. Signed-off-by: Heikki Krogerus Signed-off-by: Felipe Balbi --- drivers/usb/chipidea/core.c | 2 +- drivers/usb/common/common.c | 44 ++++++++++++++++++-------------------------- drivers/usb/dwc3/core.c | 3 ++- drivers/usb/musb/musb_dsps.c | 2 +- include/linux/usb/ch9.h | 11 ++++++++++- include/linux/usb/of.h | 6 ------ 6 files changed, 32 insertions(+), 36 deletions(-) (limited to 'include/linux') diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 3feebf7f31f0..ce7153232425 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -648,7 +648,7 @@ static int ci_get_platdata(struct device *dev, return ret; } - if (of_usb_get_maximum_speed(dev->of_node) == USB_SPEED_FULL) + if (usb_get_maximum_speed(dev) == USB_SPEED_FULL) platdata->flags |= CI_HDRC_FORCE_FULLSPEED; platdata->itc_setting = 1; diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c index 9e39286a4e5a..b25a111903ab 100644 --- a/drivers/usb/common/common.c +++ b/drivers/usb/common/common.c @@ -60,6 +60,24 @@ const char *usb_speed_string(enum usb_device_speed speed) } EXPORT_SYMBOL_GPL(usb_speed_string); +enum usb_device_speed usb_get_maximum_speed(struct device *dev) +{ + const char *maximum_speed; + int err; + int i; + + err = device_property_read_string(dev, "maximum-speed", &maximum_speed); + if (err < 0) + return USB_SPEED_UNKNOWN; + + for (i = 0; i < ARRAY_SIZE(speed_names); i++) + if (strcmp(maximum_speed, speed_names[i]) == 0) + return i; + + return USB_SPEED_UNKNOWN; +} +EXPORT_SYMBOL_GPL(usb_get_maximum_speed); + const char *usb_state_string(enum usb_device_state state) { static const char *const names[] = { @@ -113,32 +131,6 @@ enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np) } EXPORT_SYMBOL_GPL(of_usb_get_dr_mode); -/** - * of_usb_get_maximum_speed - Get maximum requested speed for a given USB - * controller. - * @np: Pointer to the given device_node - * - * The function gets the maximum speed string from property "maximum-speed", - * and returns the corresponding enum usb_device_speed. - */ -enum usb_device_speed of_usb_get_maximum_speed(struct device_node *np) -{ - const char *maximum_speed; - int err; - int i; - - err = of_property_read_string(np, "maximum-speed", &maximum_speed); - if (err < 0) - return USB_SPEED_UNKNOWN; - - for (i = 0; i < ARRAY_SIZE(speed_names); i++) - if (strcmp(maximum_speed, speed_names[i]) == 0) - return i; - - return USB_SPEED_UNKNOWN; -} -EXPORT_SYMBOL_GPL(of_usb_get_maximum_speed); - /** * of_usb_host_tpl_support - to get if Targeted Peripheral List is supported * for given targeted hosts (non-PC hosts) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index cfbcebe2cf8f..61a56357baf0 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -870,8 +870,9 @@ static int dwc3_probe(struct platform_device *pdev) */ hird_threshold = 12; + dwc->maximum_speed = usb_get_maximum_speed(dev); + if (node) { - dwc->maximum_speed = of_usb_get_maximum_speed(node); dwc->has_lpm_erratum = of_property_read_bool(node, "snps,has-lpm-erratum"); of_property_read_u8(node, "snps,lpm-nyet-threshold", diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index c8b2ec9a79d6..c6a69eaf280f 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -747,7 +747,7 @@ static int dsps_create_musb_pdev(struct dsps_glue *glue, if (!ret && val) config->multipoint = true; - config->maximum_speed = of_usb_get_maximum_speed(dn); + config->maximum_speed = usb_get_maximum_speed(&parent->dev); switch (config->maximum_speed) { case USB_SPEED_LOW: case USB_SPEED_FULL: diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index 27603bcbb9b9..6cc96bb12ddc 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -32,9 +32,9 @@ #ifndef __LINUX_USB_CH9_H #define __LINUX_USB_CH9_H +#include #include - /** * usb_speed_string() - Returns human readable-name of the speed. * @speed: The speed to return human-readable name for. If it's not @@ -43,6 +43,15 @@ */ extern const char *usb_speed_string(enum usb_device_speed speed); +/** + * usb_get_maximum_speed - Get maximum requested speed for a given USB + * controller. + * @dev: Pointer to the given USB controller device + * + * The function gets the maximum speed string from property "maximum-speed", + * and returns the corresponding enum usb_device_speed. + */ +extern enum usb_device_speed usb_get_maximum_speed(struct device *dev); /** * usb_state_string - Returns human readable name for the state. diff --git a/include/linux/usb/of.h b/include/linux/usb/of.h index 8c5a818ec244..ff23fea49fca 100644 --- a/include/linux/usb/of.h +++ b/include/linux/usb/of.h @@ -13,7 +13,6 @@ #if IS_ENABLED(CONFIG_OF) enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np); -enum usb_device_speed of_usb_get_maximum_speed(struct device_node *np); bool of_usb_host_tpl_support(struct device_node *np); int of_usb_update_otg_caps(struct device_node *np, struct usb_otg_caps *otg_caps); @@ -23,11 +22,6 @@ static inline enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np) return USB_DR_MODE_UNKNOWN; } -static inline enum usb_device_speed -of_usb_get_maximum_speed(struct device_node *np) -{ - return USB_SPEED_UNKNOWN; -} static inline bool of_usb_host_tpl_support(struct device_node *np) { return false; -- cgit v1.2.3 From 06e7114f0d8297278eb24f4e9bee3393a94bd8ce Mon Sep 17 00:00:00 2001 From: Heikki Krogerus Date: Mon, 21 Sep 2015 11:14:34 +0300 Subject: usb: common: of_usb_get_dr_mode to usb_get_dr_mode By using the unified device property interface, the function can be made available for all platforms and not just the ones using DT. Signed-off-by: Heikki Krogerus Signed-off-by: Felipe Balbi --- drivers/usb/chipidea/core.c | 2 +- drivers/usb/common/common.c | 15 ++++----------- drivers/usb/dwc2/platform.c | 2 +- drivers/usb/dwc3/core.c | 2 +- drivers/usb/dwc3/dwc3-st.c | 2 +- drivers/usb/musb/musb_dsps.c | 2 +- drivers/usb/musb/sunxi.c | 2 +- drivers/usb/phy/phy-msm-usb.c | 2 +- drivers/usb/phy/phy-tegra-usb.c | 2 +- include/linux/usb/of.h | 6 ------ include/linux/usb/otg.h | 9 +++++++++ 11 files changed, 21 insertions(+), 25 deletions(-) (limited to 'include/linux') diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index ce7153232425..bf2599757f55 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -611,7 +611,7 @@ static int ci_get_platdata(struct device *dev, platdata->phy_mode = of_usb_get_phy_mode(dev->of_node); if (!platdata->dr_mode) - platdata->dr_mode = of_usb_get_dr_mode(dev->of_node); + platdata->dr_mode = usb_get_dr_mode(dev); if (platdata->dr_mode == USB_DR_MODE_UNKNOWN) platdata->dr_mode = USB_DR_MODE_OTG; diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c index b25a111903ab..673d53038ed2 100644 --- a/drivers/usb/common/common.c +++ b/drivers/usb/common/common.c @@ -99,7 +99,6 @@ const char *usb_state_string(enum usb_device_state state) } EXPORT_SYMBOL_GPL(usb_state_string); -#ifdef CONFIG_OF static const char *const usb_dr_modes[] = { [USB_DR_MODE_UNKNOWN] = "", [USB_DR_MODE_HOST] = "host", @@ -107,19 +106,12 @@ static const char *const usb_dr_modes[] = { [USB_DR_MODE_OTG] = "otg", }; -/** - * of_usb_get_dr_mode - Get dual role mode for given device_node - * @np: Pointer to the given device_node - * - * The function gets phy interface string from property 'dr_mode', - * and returns the correspondig enum usb_dr_mode - */ -enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np) +enum usb_dr_mode usb_get_dr_mode(struct device *dev) { const char *dr_mode; int err, i; - err = of_property_read_string(np, "dr_mode", &dr_mode); + err = device_property_read_string(dev, "dr_mode", &dr_mode); if (err < 0) return USB_DR_MODE_UNKNOWN; @@ -129,8 +121,9 @@ enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np) return USB_DR_MODE_UNKNOWN; } -EXPORT_SYMBOL_GPL(of_usb_get_dr_mode); +EXPORT_SYMBOL_GPL(usb_get_dr_mode); +#ifdef CONFIG_OF /** * of_usb_host_tpl_support - to get if Targeted Peripheral List is supported * for given targeted hosts (non-PC hosts) diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index 3d1f82def2f3..28abd1f90900 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -220,7 +220,7 @@ static int dwc2_driver_probe(struct platform_device *dev) dev_dbg(&dev->dev, "mapped PA %08lx to VA %p\n", (unsigned long)res->start, hsotg->regs); - hsotg->dr_mode = of_usb_get_dr_mode(dev->dev.of_node); + hsotg->dr_mode = usb_get_dr_mode(&dev->dev); /* * Attempt to find a generic PHY, then look for an old style diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 61a56357baf0..407151465645 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -871,6 +871,7 @@ static int dwc3_probe(struct platform_device *pdev) hird_threshold = 12; dwc->maximum_speed = usb_get_maximum_speed(dev); + dwc->dr_mode = usb_get_dr_mode(dev); if (node) { dwc->has_lpm_erratum = of_property_read_bool(node, @@ -886,7 +887,6 @@ static int dwc3_probe(struct platform_device *pdev) dwc->needs_fifo_resize = of_property_read_bool(node, "tx-fifo-resize"); - dwc->dr_mode = of_usb_get_dr_mode(node); dwc->disable_scramble_quirk = of_property_read_bool(node, "snps,disable_scramble_quirk"); diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c index 02d47d50905b..5c0adb9c6fb2 100644 --- a/drivers/usb/dwc3/dwc3-st.c +++ b/drivers/usb/dwc3/dwc3-st.c @@ -268,7 +268,7 @@ static int st_dwc3_probe(struct platform_device *pdev) goto undo_softreset; } - dwc3_data->dr_mode = of_usb_get_dr_mode(child_pdev->dev.of_node); + dwc3_data->dr_mode = usb_get_dr_mode(&child_pdev->dev); /* * Configure the USB port as device or host according to the static diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index c6a69eaf280f..eeb7d9ecf7df 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -666,7 +666,7 @@ static int get_musb_port_mode(struct device *dev) { enum usb_dr_mode mode; - mode = of_usb_get_dr_mode(dev->of_node); + mode = usb_get_dr_mode(dev); switch (mode) { case USB_DR_MODE_HOST: return MUSB_PORT_MODE_HOST; diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c index f9f6304ad854..f11b8f681b30 100644 --- a/drivers/usb/musb/sunxi.c +++ b/drivers/usb/musb/sunxi.c @@ -617,7 +617,7 @@ static int sunxi_musb_probe(struct platform_device *pdev) return -ENOMEM; memset(&pdata, 0, sizeof(pdata)); - switch (of_usb_get_dr_mode(np)) { + switch (usb_get_dr_mode(&pdev->dev)) { #if defined CONFIG_USB_MUSB_DUAL_ROLE || defined CONFIG_USB_MUSB_HOST case USB_DR_MODE_HOST: pdata.mode = MUSB_PORT_MODE_HOST; diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c index c58c3c0dbe35..80eb991c2506 100644 --- a/drivers/usb/phy/phy-msm-usb.c +++ b/drivers/usb/phy/phy-msm-usb.c @@ -1529,7 +1529,7 @@ static int msm_otg_read_dt(struct platform_device *pdev, struct msm_otg *motg) if (IS_ERR(motg->phy_rst)) motg->phy_rst = NULL; - pdata->mode = of_usb_get_dr_mode(node); + pdata->mode = usb_get_dr_mode(&pdev->dev); if (pdata->mode == USB_DR_MODE_UNKNOWN) pdata->mode = USB_DR_MODE_OTG; diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c index ab025b00964c..5fe4a5704bde 100644 --- a/drivers/usb/phy/phy-tegra-usb.c +++ b/drivers/usb/phy/phy-tegra-usb.c @@ -1029,7 +1029,7 @@ static int tegra_usb_phy_probe(struct platform_device *pdev) } if (of_find_property(np, "dr_mode", NULL)) - tegra_phy->mode = of_usb_get_dr_mode(np); + tegra_phy->mode = usb_get_dr_mode(&pdev->dev); else tegra_phy->mode = USB_DR_MODE_HOST; diff --git a/include/linux/usb/of.h b/include/linux/usb/of.h index ff23fea49fca..c3fe9e48ce27 100644 --- a/include/linux/usb/of.h +++ b/include/linux/usb/of.h @@ -12,16 +12,10 @@ #include #if IS_ENABLED(CONFIG_OF) -enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np); bool of_usb_host_tpl_support(struct device_node *np); int of_usb_update_otg_caps(struct device_node *np, struct usb_otg_caps *otg_caps); #else -static inline enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np) -{ - return USB_DR_MODE_UNKNOWN; -} - static inline bool of_usb_host_tpl_support(struct device_node *np) { return false; diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h index bd1dcf816100..67929df86df5 100644 --- a/include/linux/usb/otg.h +++ b/include/linux/usb/otg.h @@ -119,4 +119,13 @@ enum usb_dr_mode { USB_DR_MODE_OTG, }; +/** + * usb_get_dr_mode - Get dual role mode for given device + * @dev: Pointer to the given device + * + * The function gets phy interface string from property 'dr_mode', + * and returns the correspondig enum usb_dr_mode + */ +extern enum usb_dr_mode usb_get_dr_mode(struct device *dev); + #endif /* __LINUX_USB_OTG_H */ -- cgit v1.2.3 From 07294cc2ea3000da706fd88c8ec7dcfadc715e14 Mon Sep 17 00:00:00 2001 From: Stefan Koch Date: Mon, 28 Sep 2015 23:59:52 +0200 Subject: USB: Added forgotten parameter description for authorized attribute in usb.h Signed-off-by: Stefan Koch Signed-off-by: Greg Kroah-Hartman --- include/linux/usb.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux') diff --git a/include/linux/usb.h b/include/linux/usb.h index 3deccab2ce0a..2cbcf8db517a 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -122,6 +122,8 @@ enum usb_interface_condition { * has been deferred. * @needs_binding: flag set when the driver should be re-probed or unbound * following a reset or suspend operation it doesn't support. + * @authorized: This allows to (de)authorize individual interfaces instead + * a whole device in contrast to the device authorization. * @dev: driver model's view of this device * @usb_dev: if an interface is bound to the USB major, this will point * to the sysfs representation for that device. -- cgit v1.2.3 From 3220befddc0da1f4e09fc790a32a9bd8427e8889 Mon Sep 17 00:00:00 2001 From: Mathias Nyman Date: Thu, 1 Oct 2015 18:40:33 +0300 Subject: usb: store the new usb 3.1 SuperSpeedPlus device capability descriptor If a device supports usb 3.1 SupeerSpeedPlus Gen2 speeds it povides a SuperSpeedPlus device capability descriptor as a part of its BOS descriptor. If we find one while parsing the BOS then save it togeter with the other device capabilities found in the BOS Signed-off-by: Mathias Nyman Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/config.c | 4 ++++ include/linux/usb.h | 1 + 2 files changed, 5 insertions(+) (limited to 'include/linux') diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index b9ddf0c1ffe5..7caff020106e 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -853,6 +853,10 @@ int usb_get_bos_descriptor(struct usb_device *dev) dev->bos->ss_cap = (struct usb_ss_cap_descriptor *)buffer; break; + case USB_SSP_CAP_TYPE: + dev->bos->ssp_cap = + (struct usb_ssp_cap_descriptor *)buffer; + break; case CONTAINER_ID_TYPE: dev->bos->ss_id = (struct usb_ss_container_id_descriptor *)buffer; diff --git a/include/linux/usb.h b/include/linux/usb.h index 2cbcf8db517a..b9a28074210f 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -328,6 +328,7 @@ struct usb_host_bos { /* wireless cap descriptor is handled by wusb */ struct usb_ext_cap_descriptor *ext_cap; struct usb_ss_cap_descriptor *ss_cap; + struct usb_ssp_cap_descriptor *ssp_cap; struct usb_ss_container_id_descriptor *ss_id; }; -- cgit v1.2.3 From 7117522520b9101af7a0602d6b0d1e67d689fc6b Mon Sep 17 00:00:00 2001 From: Mathias Nyman Date: Thu, 1 Oct 2015 18:40:37 +0300 Subject: usb: define HCD_USB31 speed option for hosts that support USB 3.1 features Hosts that support USB 3.1 Enhaned SuperSpeed can set their speed to HCD_USB31 to let usb core and host drivers know that the controller supports new USB 3.1 features. make sure usb core handle HCD_USB31 hosts correctly, for now similar to HCD_USB3. Signed-off-by: Mathias Nyman Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/hcd.c | 3 +++ include/linux/usb/hcd.h | 1 + 2 files changed, 4 insertions(+) (limited to 'include/linux') diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 86b3d1190500..a02d3e68476e 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -555,6 +555,7 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb) switch (wValue & 0xff00) { case USB_DT_DEVICE << 8: switch (hcd->speed) { + case HCD_USB31: case HCD_USB3: bufp = usb3_rh_dev_descriptor; break; @@ -576,6 +577,7 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb) break; case USB_DT_CONFIG << 8: switch (hcd->speed) { + case HCD_USB31: case HCD_USB3: bufp = ss_rh_config_descriptor; len = sizeof ss_rh_config_descriptor; @@ -2775,6 +2777,7 @@ int usb_add_hcd(struct usb_hcd *hcd, rhdev->speed = USB_SPEED_WIRELESS; break; case HCD_USB3: + case HCD_USB31: rhdev->speed = USB_SPEED_SUPER; break; default: diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 4d147277b30d..f89c24bd53a4 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -250,6 +250,7 @@ struct hc_driver { #define HCD_USB2 0x0020 /* USB 2.0 */ #define HCD_USB25 0x0030 /* Wireless USB 1.0 (USB 2.5)*/ #define HCD_USB3 0x0040 /* USB 3.0 */ +#define HCD_USB31 0x0050 /* USB 3.1 */ #define HCD_MASK 0x0070 #define HCD_BH 0x0100 /* URB complete in BH context */ -- cgit v1.2.3 From f975c5cdb53c1cfef18c28aaae8385e5d16bc104 Mon Sep 17 00:00:00 2001 From: Yoshihiro Shimoda Date: Tue, 29 Sep 2015 18:21:18 +0900 Subject: usb: renesas_usbhs: fix build warning if 64-bit architecture This patch fixes the following warning if 64-bit architecture environment: ./drivers/usb/renesas_usbhs/common.c:496:25: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] dparam->type = of_id ? (u32)of_id->data : 0; Signed-off-by: Yoshihiro Shimoda Signed-off-by: Greg Kroah-Hartman --- drivers/usb/renesas_usbhs/common.c | 2 +- include/linux/usb/renesas_usbhs.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'include/linux') diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index 7b98e1d9194c..0ce398c5482e 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -493,7 +493,7 @@ static struct renesas_usbhs_platform_info *usbhs_parse_dt(struct device *dev) return NULL; dparam = &info->driver_param; - dparam->type = of_id ? (u32)of_id->data : 0; + dparam->type = of_id ? (uintptr_t)of_id->data : 0; if (!of_property_read_u32(dev->of_node, "renesas,buswait", &tmp)) dparam->buswait_bwait = tmp; gpio = of_get_named_gpio_flags(dev->of_node, "renesas,enable-gpio", 0, diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h index 3dd5a781da99..bfb74723f151 100644 --- a/include/linux/usb/renesas_usbhs.h +++ b/include/linux/usb/renesas_usbhs.h @@ -157,7 +157,7 @@ struct renesas_usbhs_driver_param { */ int pio_dma_border; /* default is 64byte */ - u32 type; + uintptr_t type; u32 enable_gpio; /* -- cgit v1.2.3 From 3ecb3e09b042e70799ff3a1ff464a5ecaa7547d9 Mon Sep 17 00:00:00 2001 From: "Ivan T. Ivanov" Date: Mon, 7 Sep 2015 14:45:25 +0300 Subject: usb: chipidea: Use extcon framework for VBUS and ID detect On recent Qualcomm platforms VBUS and ID lines are not routed to USB PHY LINK controller. Use extcon framework to receive connect and disconnect ID and VBUS notification. Signed-off-by: Ivan T. Ivanov Signed-off-by: Peter Chen --- .../devicetree/bindings/usb/ci-hdrc-usb2.txt | 6 + drivers/usb/chipidea/Kconfig | 1 + drivers/usb/chipidea/core.c | 125 +++++++++++++++++++++ drivers/usb/chipidea/otg.c | 39 ++++++- include/linux/usb/chipidea.h | 23 ++++ 5 files changed, 193 insertions(+), 1 deletion(-) (limited to 'include/linux') diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt index a057b75ba4b5..db48bad84228 100644 --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt @@ -46,6 +46,11 @@ Optional properties: (4 bytes), This register represents the maximum length of a the burst in 32-bit words while moving data from the USB bus to system memory, changing this value takes effect only the SBUSCFG.AHBBRST is 0. +- extcon: phandles to external connector devices. First phandle should point to + external connector, which provide "USB" cable events, the second should point + to external connector device, which provide "USB-HOST" cable events. If one + of the external connector devices is not required, empty <0> phandle should + be specified. Example: @@ -62,4 +67,5 @@ Example: ahb-burst-config = <0x0>; tx-burst-size-dword = <0x10>; /* 64 bytes */ rx-burst-size-dword = <0x10>; + extcon = <0>, <&usb_id>; }; diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig index 5ce3f1d6a6ed..5619b8ca3bf3 100644 --- a/drivers/usb/chipidea/Kconfig +++ b/drivers/usb/chipidea/Kconfig @@ -1,6 +1,7 @@ config USB_CHIPIDEA tristate "ChipIdea Highspeed Dual Role Controller" depends on ((USB_EHCI_HCD && USB_GADGET) || (USB_EHCI_HCD && !USB_GADGET) || (!USB_EHCI_HCD && USB_GADGET)) && HAS_DMA + select EXTCON help Say Y here if your system has a dual role high speed USB controller based on ChipIdea silicon IP. Currently, only the diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 3feebf7f31f0..573c2876b263 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -47,6 +47,7 @@ #include #include #include +#include #include #include #include @@ -602,9 +603,45 @@ static irqreturn_t ci_irq(int irq, void *data) return ret; } +static int ci_vbus_notifier(struct notifier_block *nb, unsigned long event, + void *ptr) +{ + struct ci_hdrc_cable *vbus = container_of(nb, struct ci_hdrc_cable, nb); + struct ci_hdrc *ci = vbus->ci; + + if (event) + vbus->state = true; + else + vbus->state = false; + + vbus->changed = true; + + ci_irq(ci->irq, ci); + return NOTIFY_DONE; +} + +static int ci_id_notifier(struct notifier_block *nb, unsigned long event, + void *ptr) +{ + struct ci_hdrc_cable *id = container_of(nb, struct ci_hdrc_cable, nb); + struct ci_hdrc *ci = id->ci; + + if (event) + id->state = false; + else + id->state = true; + + id->changed = true; + + ci_irq(ci->irq, ci); + return NOTIFY_DONE; +} + static int ci_get_platdata(struct device *dev, struct ci_hdrc_platform_data *platdata) { + struct extcon_dev *ext_vbus, *ext_id; + struct ci_hdrc_cable *cable; int ret; if (!platdata->phy_mode) @@ -695,9 +732,91 @@ static int ci_get_platdata(struct device *dev, platdata->flags |= CI_HDRC_OVERRIDE_RX_BURST; } + ext_id = ERR_PTR(-ENODEV); + ext_vbus = ERR_PTR(-ENODEV); + if (of_property_read_bool(dev->of_node, "extcon")) { + /* Each one of them is not mandatory */ + ext_vbus = extcon_get_edev_by_phandle(dev, 0); + if (IS_ERR(ext_vbus) && PTR_ERR(ext_vbus) != -ENODEV) + return PTR_ERR(ext_vbus); + + ext_id = extcon_get_edev_by_phandle(dev, 1); + if (IS_ERR(ext_id) && PTR_ERR(ext_id) != -ENODEV) + return PTR_ERR(ext_id); + } + + cable = &platdata->vbus_extcon; + cable->nb.notifier_call = ci_vbus_notifier; + cable->edev = ext_vbus; + + if (!IS_ERR(ext_vbus)) { + ret = extcon_get_cable_state_(cable->edev, EXTCON_USB); + if (ret) + cable->state = true; + else + cable->state = false; + } + + cable = &platdata->id_extcon; + cable->nb.notifier_call = ci_id_notifier; + cable->edev = ext_id; + + if (!IS_ERR(ext_id)) { + ret = extcon_get_cable_state_(cable->edev, EXTCON_USB_HOST); + if (ret) + cable->state = false; + else + cable->state = true; + } return 0; } +static int ci_extcon_register(struct ci_hdrc *ci) +{ + struct ci_hdrc_cable *id, *vbus; + int ret; + + id = &ci->platdata->id_extcon; + id->ci = ci; + if (!IS_ERR(id->edev)) { + ret = extcon_register_notifier(id->edev, EXTCON_USB_HOST, + &id->nb); + if (ret < 0) { + dev_err(ci->dev, "register ID failed\n"); + return ret; + } + } + + vbus = &ci->platdata->vbus_extcon; + vbus->ci = ci; + if (!IS_ERR(vbus->edev)) { + ret = extcon_register_notifier(vbus->edev, EXTCON_USB, + &vbus->nb); + if (ret < 0) { + extcon_unregister_notifier(id->edev, EXTCON_USB_HOST, + &id->nb); + dev_err(ci->dev, "register VBUS failed\n"); + return ret; + } + } + + return 0; +} + +static void ci_extcon_unregister(struct ci_hdrc *ci) +{ + struct ci_hdrc_cable *cable; + + cable = &ci->platdata->id_extcon; + if (!IS_ERR(cable->edev)) + extcon_unregister_notifier(cable->edev, EXTCON_USB_HOST, + &cable->nb); + + cable = &ci->platdata->vbus_extcon; + if (!IS_ERR(cable->edev)) + extcon_unregister_notifier(cable->edev, EXTCON_USB, &cable->nb); +} + static DEFINE_IDA(ci_ida); struct platform_device *ci_hdrc_add_device(struct device *dev, @@ -921,6 +1040,10 @@ static int ci_hdrc_probe(struct platform_device *pdev) if (ret) goto stop; + ret = ci_extcon_register(ci); + if (ret) + goto stop; + if (ci->supports_runtime_pm) { pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev); @@ -938,6 +1061,7 @@ static int ci_hdrc_probe(struct platform_device *pdev) if (!ret) return 0; + ci_extcon_unregister(ci); stop: ci_role_destroy(ci); deinit_phy: @@ -957,6 +1081,7 @@ static int ci_hdrc_remove(struct platform_device *pdev) } dbg_remove_files(ci); + ci_extcon_unregister(ci); ci_role_destroy(ci); ci_hdrc_enter_lpm(ci, true); ci_usb_phy_exit(ci); diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c index ad6c87a4653c..ab4bd0c2d4ef 100644 --- a/drivers/usb/chipidea/otg.c +++ b/drivers/usb/chipidea/otg.c @@ -30,7 +30,44 @@ */ u32 hw_read_otgsc(struct ci_hdrc *ci, u32 mask) { - return hw_read(ci, OP_OTGSC, mask); + struct ci_hdrc_cable *cable; + u32 val = hw_read(ci, OP_OTGSC, mask); + + /* + * If using extcon framework for VBUS and/or ID signal + * detection overwrite OTGSC register value + */ + cable = &ci->platdata->vbus_extcon; + if (!IS_ERR(cable->edev)) { + if (cable->changed) + val |= OTGSC_BSVIS; + else + val &= ~OTGSC_BSVIS; + + cable->changed = false; + + if (cable->state) + val |= OTGSC_BSV; + else + val &= ~OTGSC_BSV; + } + + cable = &ci->platdata->id_extcon; + if (!IS_ERR(cable->edev)) { + if (cable->changed) + val |= OTGSC_IDIS; + else + val &= ~OTGSC_IDIS; + + cable->changed = false; + + if (cable->state) + val |= OTGSC_ID; + else + val &= ~OTGSC_ID; + } + + return val; } /** diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index a41833cd184c..c5cddc6901d0 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -5,9 +5,28 @@ #ifndef __LINUX_USB_CHIPIDEA_H #define __LINUX_USB_CHIPIDEA_H +#include #include struct ci_hdrc; + +/** + * struct ci_hdrc_cable - structure for external connector cable state tracking + * @state: current state of the line + * @changed: set to true when extcon event happen + * @edev: device which generate events + * @ci: driver state of the chipidea device + * @nb: hold event notification callback + * @conn: used for notification registration + */ +struct ci_hdrc_cable { + bool state; + bool changed; + struct extcon_dev *edev; + struct ci_hdrc *ci; + struct notifier_block nb; +}; + struct ci_hdrc_platform_data { const char *name; /* offset of the capability registers */ @@ -48,6 +67,10 @@ struct ci_hdrc_platform_data { u32 ahb_burst_config; u32 tx_burst_size; u32 rx_burst_size; + + /* VBUS and ID signal state tracking, using extcon framework */ + struct ci_hdrc_cable vbus_extcon; + struct ci_hdrc_cable id_extcon; }; /* Default offset of capability registers */ -- cgit v1.2.3 From 1fbf46280eb6866c762de5ec8ba35f09097b0d53 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Tue, 8 Sep 2015 22:18:14 -0300 Subject: usb: chipidea: Add support for 'phy-clkgate-delay-us' property Add support for the optional 'phy-clkgate-delay-us' property that is used to describe the delay time between putting PHY into low power mode and turning off the PHY clock. Signed-off-by: Li Jun Signed-off-by: Fabio Estevam Signed-off-by: Peter Chen --- drivers/usb/chipidea/core.c | 7 +++++++ include/linux/usb/chipidea.h | 1 + 2 files changed, 8 insertions(+) (limited to 'include/linux') diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 573c2876b263..f4fd76ab3aef 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -688,6 +688,10 @@ static int ci_get_platdata(struct device *dev, if (of_usb_get_maximum_speed(dev->of_node) == USB_SPEED_FULL) platdata->flags |= CI_HDRC_FORCE_FULLSPEED; + if (of_find_property(dev->of_node, "phy-clkgate-delay-us", NULL)) + of_property_read_u32(dev->of_node, "phy-clkgate-delay-us", + &platdata->phy_clkgate_delay_us); + platdata->itc_setting = 1; if (of_find_property(dev->of_node, "itc-setting", NULL)) { ret = of_property_read_u32(dev->of_node, "itc-setting", @@ -1121,6 +1125,9 @@ static void ci_controller_suspend(struct ci_hdrc *ci) { disable_irq(ci->irq); ci_hdrc_enter_lpm(ci, true); + if (ci->platdata->phy_clkgate_delay_us) + usleep_range(ci->platdata->phy_clkgate_delay_us, + ci->platdata->phy_clkgate_delay_us + 50); usb_phy_set_suspend(ci->usb_phy, 1); ci->in_lpm = true; enable_irq(ci->irq); diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index c5cddc6901d0..5dd75fa47dd8 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -71,6 +71,7 @@ struct ci_hdrc_platform_data { /* VBUS and ID signal state tracking, using extcon framework */ struct ci_hdrc_cable vbus_extcon; struct ci_hdrc_cable id_extcon; + u32 phy_clkgate_delay_us; }; /* Default offset of capability registers */ -- cgit v1.2.3