diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-04 14:22:53 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-04 14:22:53 -0700 |
commit | 0ecb063a2976b62d5eaecbd5a70bb994fe4b5a8a (patch) | |
tree | 2b599cd66f1747d4e246d906b0e240ffd7ed0263 | |
parent | bd355f8ae6577aa6b444ab76bb1dfeb1a7002d9f (diff) | |
parent | 4f0871a6c7811a433513c3788a7cce27033bb8b8 (diff) | |
download | lwn-0ecb063a2976b62d5eaecbd5a70bb994fe4b5a8a.tar.gz lwn-0ecb063a2976b62d5eaecbd5a70bb994fe4b5a8a.zip |
Merge branch 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
xHCI: Clear PLC in xhci_bus_resume()
USB: fix regression in usbip by setting has_tt flag
usb/isp1760: Report correct urb status after unlink
omap:usb: add regulator support for EHCI
mfd: Fix usbhs_enable error handling
usb: musb: gadget: Fix out-of-sync runtime pm calls
usb: musb: omap2430: Fix retention idle on musb peripheral only boards
-rw-r--r-- | drivers/mfd/omap-usb-host.c | 9 | ||||
-rw-r--r-- | drivers/staging/usbip/vhci_hcd.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/ehci-omap.c | 20 | ||||
-rw-r--r-- | drivers/usb/host/isp1760-hcd.c | 1 | ||||
-rw-r--r-- | drivers/usb/host/xhci-hub.c | 19 | ||||
-rw-r--r-- | drivers/usb/musb/musb_gadget.c | 6 | ||||
-rw-r--r-- | drivers/usb/musb/omap2430.c | 2 |
7 files changed, 45 insertions, 14 deletions
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 53450f433f10..2e165117457b 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -25,7 +25,6 @@ #include <linux/dma-mapping.h> #include <linux/spinlock.h> #include <linux/gpio.h> -#include <linux/regulator/consumer.h> #include <plat/usb.h> #define USBHS_DRIVER_NAME "usbhs-omap" @@ -700,8 +699,7 @@ static int usbhs_enable(struct device *dev) dev_dbg(dev, "starting TI HSUSB Controller\n"); if (!pdata) { dev_dbg(dev, "missing platform_data\n"); - ret = -ENODEV; - goto end_enable; + return -ENODEV; } spin_lock_irqsave(&omap->lock, flags); @@ -915,7 +913,8 @@ static int usbhs_enable(struct device *dev) end_count: omap->count++; - goto end_enable; + spin_unlock_irqrestore(&omap->lock, flags); + return 0; err_tll: if (pdata->ehci_data->phy_reset) { @@ -931,8 +930,6 @@ err_tll: clk_disable(omap->usbhost_fs_fck); clk_disable(omap->usbhost_hs_fck); clk_disable(omap->usbhost_ick); - -end_enable: spin_unlock_irqrestore(&omap->lock, flags); return ret; } diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c index 0f02a4b12ae4..5d0caa8648e2 100644 --- a/drivers/staging/usbip/vhci_hcd.c +++ b/drivers/staging/usbip/vhci_hcd.c @@ -1139,7 +1139,7 @@ static int vhci_hcd_probe(struct platform_device *pdev) usbip_uerr("create hcd failed\n"); return -ENOMEM; } - + hcd->has_tt = 1; /* this is private data for vhci_hcd */ the_controller = hcd_to_vhci(hcd); diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index 7e41a95c5ceb..627f3a678759 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -40,6 +40,7 @@ #include <linux/slab.h> #include <linux/usb/ulpi.h> #include <plat/usb.h> +#include <linux/regulator/consumer.h> /* EHCI Register Set */ #define EHCI_INSNREG04 (0xA0) @@ -118,6 +119,8 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) struct ehci_hcd *omap_ehci; int ret = -ENODEV; int irq; + int i; + char supply[7]; if (usb_disabled()) return -ENODEV; @@ -158,6 +161,23 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) hcd->rsrc_len = resource_size(res); hcd->regs = regs; + /* get ehci regulator and enable */ + for (i = 0 ; i < OMAP3_HS_USB_PORTS ; i++) { + if (pdata->port_mode[i] != OMAP_EHCI_PORT_MODE_PHY) { + pdata->regulator[i] = NULL; + continue; + } + snprintf(supply, sizeof(supply), "hsusb%d", i); + pdata->regulator[i] = regulator_get(dev, supply); + if (IS_ERR(pdata->regulator[i])) { + pdata->regulator[i] = NULL; + dev_dbg(dev, + "failed to get ehci port%d regulator\n", i); + } else { + regulator_enable(pdata->regulator[i]); + } + } + ret = omap_usbhs_enable(dev); if (ret) { dev_err(dev, "failed to start usbhs with err %d\n", ret); diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c index 795345ad45e6..7b2e69aa2e98 100644 --- a/drivers/usb/host/isp1760-hcd.c +++ b/drivers/usb/host/isp1760-hcd.c @@ -1633,6 +1633,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) ints[i].qh = NULL; ints[i].qtd = NULL; + urb->status = status; isp1760_urb_done(hcd, urb); if (qtd) pe(hcd, qh, qtd); diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index a78f2ebd11b7..73f75d26436c 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -777,7 +777,7 @@ int xhci_bus_suspend(struct usb_hcd *hcd) if (t1 != t2) xhci_writel(xhci, t2, port_array[port_index]); - if (DEV_HIGHSPEED(t1)) { + if (hcd->speed != HCD_USB3) { /* enable remote wake up for USB 2.0 */ u32 __iomem *addr; u32 tmp; @@ -866,6 +866,21 @@ int xhci_bus_resume(struct usb_hcd *hcd) temp |= PORT_LINK_STROBE | XDEV_U0; xhci_writel(xhci, temp, port_array[port_index]); } + /* wait for the port to enter U0 and report port link + * state change. + */ + spin_unlock_irqrestore(&xhci->lock, flags); + msleep(20); + spin_lock_irqsave(&xhci->lock, flags); + + /* Clear PLC */ + temp = xhci_readl(xhci, port_array[port_index]); + if (temp & PORT_PLC) { + temp = xhci_port_state_to_neutral(temp); + temp |= PORT_PLC; + xhci_writel(xhci, temp, port_array[port_index]); + } + slot_id = xhci_find_slot_id_by_port(hcd, xhci, port_index + 1); if (slot_id) @@ -873,7 +888,7 @@ int xhci_bus_resume(struct usb_hcd *hcd) } else xhci_writel(xhci, temp, port_array[port_index]); - if (DEV_HIGHSPEED(temp)) { + if (hcd->speed != HCD_USB3) { /* disable remote wake up for USB 2.0 */ u32 __iomem *addr; u32 tmp; diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 6dfbf9ffd7a6..f47c20197c61 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1887,11 +1887,9 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver, otg_set_vbus(musb->xceiv, 1); hcd->self.uses_pio_for_control = 1; - - if (musb->xceiv->last_event == USB_EVENT_NONE) - pm_runtime_put(musb->controller); - } + if (musb->xceiv->last_event == USB_EVENT_NONE) + pm_runtime_put(musb->controller); return 0; diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index 57a27fa954b4..e9e60b6e0583 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -270,7 +270,7 @@ static int musb_otg_notifications(struct notifier_block *nb, DBG(4, "VBUS Disconnect\n"); #ifdef CONFIG_USB_GADGET_MUSB_HDRC - if (is_otg_enabled(musb)) + if (is_otg_enabled(musb) || is_peripheral_enabled(musb)) if (musb->gadget_driver) #endif { |