diff options
author | Michael Krufky <mkrufky@linuxtv.org> | 2008-06-15 15:14:13 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-20 07:21:25 -0300 |
commit | 822374165d6b11733467cfa2fa18234319198233 (patch) | |
tree | f3e29319e9d1624b8c9ed8d532ec6cab0120679a /drivers/media/dvb/siano/smsusb.c | |
parent | 73104fb3e4e692cb1f9505b548ab073b0859b256 (diff) | |
download | lwn-822374165d6b11733467cfa2fa18234319198233.tar.gz lwn-822374165d6b11733467cfa2fa18234319198233.zip |
V4L/DVB (8280): sms1xxx: more codingstyle cleanups
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb/siano/smsusb.c')
-rw-r--r-- | drivers/media/dvb/siano/smsusb.c | 209 |
1 files changed, 105 insertions, 104 deletions
diff --git a/drivers/media/dvb/siano/smsusb.c b/drivers/media/dvb/siano/smsusb.c index ca9bb36544c0..d9ce3ba0910f 100644 --- a/drivers/media/dvb/siano/smsusb.c +++ b/drivers/media/dvb/siano/smsusb.c @@ -57,8 +57,8 @@ typedef struct _smsusb_device smsusb_urb_t surbs[MAX_URBS]; - int response_alignment; - int buffer_size; + int response_alignment; + int buffer_size; } *psmsusb_device_t; int smsusb_submit_urb(smsusb_device_t *dev, smsusb_urb_t *surb); @@ -68,44 +68,50 @@ void smsusb_onresponse(struct urb *urb) smsusb_urb_t *surb = (smsusb_urb_t *) urb->context; smsusb_device_t *dev = surb->dev; - if (urb->status < 0) - { - printk(KERN_INFO "%s error, urb status %d, %d bytes\n", __func__, urb->status, urb->actual_length); + if (urb->status < 0) { + printk(KERN_INFO "%s error, urb status %d, %d bytes\n", + __func__, urb->status, urb->actual_length); return; } - if (urb->actual_length > 0) - { + if (urb->actual_length > 0) { SmsMsgHdr_ST *phdr = (SmsMsgHdr_ST *) surb->cb->p; - if (urb->actual_length >= phdr->msgLength) - { + if (urb->actual_length >= phdr->msgLength) { surb->cb->size = phdr->msgLength; - if (dev->response_alignment && (phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG)) - { - surb->cb->offset = dev->response_alignment + ((phdr->msgFlags >> 8) & 3); - - // sanity check - if (((int) phdr->msgLength + surb->cb->offset) > urb->actual_length) - { - printk("%s: invalid response msglen %d offset %d size %d\n", __func__, phdr->msgLength, surb->cb->offset, urb->actual_length); + if (dev->response_alignment && + (phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG)) { + + surb->cb->offset = + dev->response_alignment + + ((phdr->msgFlags >> 8) & 3); + + /* sanity check */ + if (((int) phdr->msgLength + + surb->cb->offset) > urb->actual_length) { + printk(KERN_INFO "%s: invalid " + "response msglen %d offset %d " + "size %d\n", __func__, + phdr->msgLength, + surb->cb->offset, + urb->actual_length); goto exit_and_resubmit; } - // move buffer pointer and copy header to its new location + /* move buffer pointer and + * copy header to its new location */ memcpy((char *) phdr + surb->cb->offset, phdr, sizeof(SmsMsgHdr_ST)); - } - else + } else surb->cb->offset = 0; smscore_onresponse(dev->coredev, surb->cb); surb->cb = NULL; - } - else - { - printk("%s invalid response msglen %d actual %d\n", __func__, phdr->msgLength, urb->actual_length); + } else { + printk(KERN_INFO "%s invalid response " + "msglen %d actual %d\n", __func__, + phdr->msgLength, urb->actual_length); } } @@ -115,12 +121,11 @@ exit_and_resubmit: int smsusb_submit_urb(smsusb_device_t *dev, smsusb_urb_t *surb) { - if (!surb->cb) - { + if (!surb->cb) { surb->cb = smscore_getbuffer(dev->coredev); - if (!surb->cb) - { - printk(KERN_INFO "%s smscore_getbuffer(...) returned NULL\n", __func__); + if (!surb->cb) { + printk(KERN_INFO "%s smscore_getbuffer(...) " + "returned NULL\n", __func__); return -ENOMEM; } } @@ -144,12 +149,10 @@ void smsusb_stop_streaming(smsusb_device_t *dev) { int i; - for (i = 0; i < MAX_URBS; i ++) - { + for (i = 0; i < MAX_URBS; i ++) { usb_kill_urb(&dev->surbs[i].urb); - if (dev->surbs[i].cb) - { + if (dev->surbs[i].cb) { smscore_putbuffer(dev->coredev, dev->surbs[i].cb); dev->surbs[i].cb = NULL; } @@ -160,12 +163,11 @@ int smsusb_start_streaming(smsusb_device_t *dev) { int i, rc; - for (i = 0; i < MAX_URBS; i ++) - { + for (i = 0; i < MAX_URBS; i ++) { rc = smsusb_submit_urb(dev, &dev->surbs[i]); - if (rc < 0) - { - printk(KERN_INFO "%s smsusb_submit_urb(...) failed\n", __func__); + if (rc < 0) { + printk(KERN_INFO "%s smsusb_submit_urb(...) " + "failed\n", __func__); smsusb_stop_streaming(dev); break; } @@ -179,11 +181,11 @@ int smsusb_sendrequest(void *context, void *buffer, size_t size) smsusb_device_t *dev = (smsusb_device_t *) context; int dummy; - return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2), buffer, size, &dummy, 1000); + return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2), + buffer, size, &dummy, 1000); } -char *smsusb1_fw_lkup[] = -{ +char *smsusb1_fw_lkup[] = { "dvbt_stellar_usb.inp", "dvbh_stellar_usb.inp", "tdmb_stellar_usb.inp", @@ -197,32 +199,31 @@ int smsusb1_load_firmware(struct usb_device *udev, int id) u8 *fw_buffer; int rc, dummy; - if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA) - { - printk(KERN_INFO "%s invalid firmware id specified %d\n", __func__, id); + if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA) { + printk(KERN_INFO "%s invalid firmware id specified %d\n", + __func__, id); return -EINVAL; } rc = request_firmware(&fw, smsusb1_fw_lkup[id], &udev->dev); - if (rc < 0) - { - printk(KERN_INFO "%s failed to open \"%s\" mode %d\n", __func__, smsusb1_fw_lkup[id], id); + if (rc < 0) { + printk(KERN_INFO "%s failed to open \"%s\" mode %d\n", + __func__, smsusb1_fw_lkup[id], id); return rc; } fw_buffer = kmalloc(fw->size, GFP_KERNEL); - if (fw_buffer) - { + if (fw_buffer) { memcpy(fw_buffer, fw->data, fw->size); - rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2), fw_buffer, fw->size, &dummy, 1000); + rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2), + fw_buffer, fw->size, &dummy, 1000); - printk(KERN_INFO "%s: sent %d(%d) bytes, rc %d\n", __func__, fw->size, dummy, rc); + printk(KERN_INFO "%s: sent %d(%d) bytes, rc %d\n", + __func__, fw->size, dummy, rc); kfree(fw_buffer); - } - else - { + } else { printk(KERN_INFO "failed to allocate firmware buffer\n"); rc = -ENOMEM; } @@ -238,33 +239,29 @@ void smsusb1_detectmode(void *context, int *mode) *mode = DEVICE_MODE_NONE; - if (!product_string) - { + if (!product_string) { product_string = "none"; printk("%s product string not found\n", __func__); - } - else - { - if (strstr(product_string, "DVBH")) - *mode = 1; - else if (strstr(product_string, "BDA")) - *mode = 4; - else if (strstr(product_string, "DVBT")) - *mode = 0; - else if (strstr(product_string, "TDMB")) - *mode = 2; - } + } else if (strstr(product_string, "DVBH")) + *mode = 1; + else if (strstr(product_string, "BDA")) + *mode = 4; + else if (strstr(product_string, "DVBT")) + *mode = 0; + else if (strstr(product_string, "TDMB")) + *mode = 2; printk("%s: %d \"%s\"\n", __func__, *mode, product_string); } int smsusb1_setmode(void *context, int mode) { - SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK, sizeof(SmsMsgHdr_ST), 0 }; + SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK, + sizeof(SmsMsgHdr_ST), 0 }; - if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) - { - printk(KERN_INFO "%s invalid firmware id specified %d\n", __func__, mode); + if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { + printk(KERN_INFO "%s invalid firmware id specified %d\n", + __func__, mode); return -EINVAL; } @@ -275,8 +272,7 @@ void smsusb_term_device(struct usb_interface *intf) { smsusb_device_t *dev = (smsusb_device_t *) usb_get_intfdata(intf); - if (dev) - { + if (dev) { smsusb_stop_streaming(dev); // unregister from smscore @@ -299,9 +295,9 @@ int smsusb_init_device(struct usb_interface *intf) // create device object dev = kzalloc(sizeof(smsusb_device_t), GFP_KERNEL); - if (!dev) - { - printk(KERN_INFO "%s kzalloc(sizeof(smsusb_device_t) failed\n", __func__); + if (!dev) { + printk(KERN_INFO "%s kzalloc(sizeof(smsusb_device_t) failed\n", + __func__); return -ENOMEM; } @@ -336,7 +332,9 @@ int smsusb_init_device(struct usb_interface *intf) } dev->buffer_size = USB2_BUFFER_SIZE; - dev->response_alignment = dev->udev->ep_in[1]->desc.wMaxPacketSize - sizeof(SmsMsgHdr_ST); + dev->response_alignment = + dev->udev->ep_in[1]->desc.wMaxPacketSize - + sizeof(SmsMsgHdr_ST); params.flags |= SMS_DEVICE_FAMILY2; break; @@ -347,37 +345,37 @@ int smsusb_init_device(struct usb_interface *intf) params.num_buffers = MAX_BUFFERS; params.sendrequest_handler = smsusb_sendrequest; params.context = dev; - snprintf(params.devpath, sizeof(params.devpath), "usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath); + snprintf(params.devpath, sizeof(params.devpath), + "usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath); - // register in smscore + /* register in smscore */ rc = smscore_register_device(¶ms, &dev->coredev); - if (rc < 0) - { - printk(KERN_INFO "%s smscore_register_device(...) failed, rc %d\n", __func__, rc); + if (rc < 0) { + printk(KERN_INFO "%s smscore_register_device(...) failed, " + "rc %d\n", __func__, rc); smsusb_term_device(intf); return rc; } // initialize urbs - for (i = 0; i < MAX_URBS; i ++) - { + for (i = 0; i < MAX_URBS; i++) { dev->surbs[i].dev = dev; usb_init_urb(&dev->surbs[i].urb); } printk(KERN_INFO "%s smsusb_start_streaming(...).\n", __func__); rc = smsusb_start_streaming(dev); - if (rc < 0) - { - printk(KERN_INFO "%s smsusb_start_streaming(...) failed\n", __func__); + if (rc < 0) { + printk(KERN_INFO "%s smsusb_start_streaming(...) failed\n", + __func__); smsusb_term_device(intf); return rc; } rc = smscore_start_device(dev->coredev); - if (rc < 0) - { - printk(KERN_INFO "%s smscore_start_device(...) failed\n", __func__); + if (rc < 0) { + printk(KERN_INFO "%s smscore_start_device(...) failed\n", + __func__); smsusb_term_device(intf); return rc; } @@ -396,29 +394,32 @@ int smsusb_probe(struct usb_interface *intf, const struct usb_device_id *id) rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81)); rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02)); - if (intf->num_altsetting > 0) - { + if (intf->num_altsetting > 0) { rc = usb_set_interface(udev, intf->cur_altsetting->desc.bInterfaceNumber, 0); - if (rc < 0) - { - printk(KERN_INFO "%s usb_set_interface failed, rc %d\n", __func__, rc); + if (rc < 0) { + printk(KERN_INFO "%s usb_set_interface failed, " + "rc %d\n", __func__, rc); return rc; } } - printk(KERN_INFO "smsusb_probe %d\n", intf->cur_altsetting->desc.bInterfaceNumber); + printk(KERN_INFO "smsusb_probe %d\n", + intf->cur_altsetting->desc.bInterfaceNumber); for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i ++) - printk(KERN_INFO "endpoint %d %02x %02x %d\n", i, intf->cur_altsetting->endpoint[i].desc.bEndpointAddress, intf->cur_altsetting->endpoint[i].desc.bmAttributes, intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize); + printk(KERN_INFO "endpoint %d %02x %02x %d\n", i, + intf->cur_altsetting->endpoint[i].desc.bEndpointAddress, + intf->cur_altsetting->endpoint[i].desc.bmAttributes, + intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize); - if (udev->actconfig->desc.bNumInterfaces == 2 && intf->cur_altsetting->desc.bInterfaceNumber == 0) - { + if ((udev->actconfig->desc.bNumInterfaces == 2) && + (intf->cur_altsetting->desc.bInterfaceNumber == 0)) { printk(KERN_INFO "rom interface 0 is not used\n"); return -ENODEV; } - if (intf->cur_altsetting->desc.bInterfaceNumber == 1) - { - snprintf(devpath, sizeof(devpath), "usb\\%d-%s", udev->bus->busnum, udev->devpath); + if (intf->cur_altsetting->desc.bInterfaceNumber == 1) { + snprintf(devpath, sizeof(devpath), "usb\\%d-%s", + udev->bus->busnum, udev->devpath); printk(KERN_INFO "stellar device was found.\n"); return smsusb1_load_firmware(udev, smscore_registry_getmode(devpath)); } @@ -444,7 +445,7 @@ MODULE_DEVICE_TABLE (usb, smsusb_id_table); static struct usb_driver smsusb_driver = { .name = "smsusb", .probe = smsusb_probe, - .disconnect = smsusb_disconnect, + .disconnect = smsusb_disconnect, .id_table = smsusb_id_table, }; 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