From afb177e06563861bfe4d7795a9d4d3b52851813b Mon Sep 17 00:00:00 2001 From: Frank Schaefer Date: Thu, 8 Nov 2012 14:11:40 -0300 Subject: [media] em28xx: rename function em28xx_uninit_isoc to em28xx_uninit_usb_xfer MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This function will be used to uninitialize USB bulk transfers, too. Also rename the local variable isoc_bufs to usb_bufs. Signed-off-by: Frank Schäfer Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/em28xx/em28xx-core.c | 43 +++++++++++++++++----------------- 1 file changed, 22 insertions(+), 21 deletions(-) (limited to 'drivers/media/usb/em28xx/em28xx-core.c') diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c index 8f50f5c..a1ebd08 100644 --- a/drivers/media/usb/em28xx/em28xx-core.c +++ b/drivers/media/usb/em28xx/em28xx-core.c @@ -962,49 +962,50 @@ static void em28xx_irq_callback(struct urb *urb) /* * Stop and Deallocate URBs */ -void em28xx_uninit_isoc(struct em28xx *dev, enum em28xx_mode mode) +void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode) { struct urb *urb; - struct em28xx_usb_bufs *isoc_bufs; + struct em28xx_usb_bufs *usb_bufs; int i; - em28xx_isocdbg("em28xx: called em28xx_uninit_isoc in mode %d\n", mode); + em28xx_isocdbg("em28xx: called em28xx_uninit_usb_xfer in mode %d\n", + mode); if (mode == EM28XX_DIGITAL_MODE) - isoc_bufs = &dev->usb_ctl.digital_bufs; + usb_bufs = &dev->usb_ctl.digital_bufs; else - isoc_bufs = &dev->usb_ctl.analog_bufs; + usb_bufs = &dev->usb_ctl.analog_bufs; - for (i = 0; i < isoc_bufs->num_bufs; i++) { - urb = isoc_bufs->urb[i]; + for (i = 0; i < usb_bufs->num_bufs; i++) { + urb = usb_bufs->urb[i]; if (urb) { if (!irqs_disabled()) usb_kill_urb(urb); else usb_unlink_urb(urb); - if (isoc_bufs->transfer_buffer[i]) { + if (usb_bufs->transfer_buffer[i]) { usb_free_coherent(dev->udev, urb->transfer_buffer_length, - isoc_bufs->transfer_buffer[i], + usb_bufs->transfer_buffer[i], urb->transfer_dma); } usb_free_urb(urb); - isoc_bufs->urb[i] = NULL; + usb_bufs->urb[i] = NULL; } - isoc_bufs->transfer_buffer[i] = NULL; + usb_bufs->transfer_buffer[i] = NULL; } - kfree(isoc_bufs->urb); - kfree(isoc_bufs->transfer_buffer); + kfree(usb_bufs->urb); + kfree(usb_bufs->transfer_buffer); - isoc_bufs->urb = NULL; - isoc_bufs->transfer_buffer = NULL; - isoc_bufs->num_bufs = 0; + usb_bufs->urb = NULL; + usb_bufs->transfer_buffer = NULL; + usb_bufs->num_bufs = 0; em28xx_capture_start(dev, 0); } -EXPORT_SYMBOL_GPL(em28xx_uninit_isoc); +EXPORT_SYMBOL_GPL(em28xx_uninit_usb_xfer); /* * Stop URBs @@ -1051,7 +1052,7 @@ int em28xx_alloc_isoc(struct em28xx *dev, enum em28xx_mode mode, isoc_bufs = &dev->usb_ctl.analog_bufs; /* De-allocates all pending stuff */ - em28xx_uninit_isoc(dev, mode); + em28xx_uninit_usb_xfer(dev, mode); isoc_bufs->num_bufs = num_bufs; @@ -1081,7 +1082,7 @@ int em28xx_alloc_isoc(struct em28xx *dev, enum em28xx_mode mode, urb = usb_alloc_urb(isoc_bufs->num_packets, GFP_KERNEL); if (!urb) { em28xx_err("cannot alloc usb_ctl.urb %i\n", i); - em28xx_uninit_isoc(dev, mode); + em28xx_uninit_usb_xfer(dev, mode); return -ENOMEM; } isoc_bufs->urb[i] = urb; @@ -1093,7 +1094,7 @@ int em28xx_alloc_isoc(struct em28xx *dev, enum em28xx_mode mode, " buffer %i%s\n", sb_size, i, in_interrupt() ? " while in int" : ""); - em28xx_uninit_isoc(dev, mode); + em28xx_uninit_usb_xfer(dev, mode); return -ENOMEM; } memset(isoc_bufs->transfer_buffer[i], 0, sb_size); @@ -1171,7 +1172,7 @@ int em28xx_init_isoc(struct em28xx *dev, enum em28xx_mode mode, if (rc) { em28xx_err("submit of urb %i failed (error=%i)\n", i, rc); - em28xx_uninit_isoc(dev, mode); + em28xx_uninit_usb_xfer(dev, mode); return rc; } } -- cgit v1.1