From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> To: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: linux-media@vger.kernel.org, Mauro Carvalho Chehab <mchehab@kernel.org>, linux-usb@vger.kernel.org, tglx@linutronix.de Subject: [PATCH 27/27 v2] media: uvcvideo: use usb_fill_int_urb() for the ->intarval value Date: Wed, 20 Jun 2018 17:21:22 +0200 [thread overview] Message-ID: <20180620152122.ebstiwvdpbhgsbrs@linutronix.de> (raw) In-Reply-To: <18211658.4PQ3SEps0f@avalon> uvc_init_video_isoc() assigns urb->interval = p->desc.bInterval; for the interval. This is correct for FS/LS. For HS/SS the bInterval value is using a logarithmic encoding. The usb_fill_int_urb() function takes this into account while settings the ->interval member. ->start_frame is set to -1 on init and should be filled by the HC on completion of the URB. Use usb_fill_int_urb() to fill the members of the struct urb. Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- drivers/media/usb/uvc/uvc_video.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index a88b2e51a666..79e7a827ed44 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -1619,21 +1619,19 @@ static int uvc_init_video_isoc(struct uvc_streaming *stream, return -ENOMEM; } - urb->dev = stream->dev->udev; - urb->context = stream; - urb->pipe = usb_rcvisocpipe(stream->dev->udev, - ep->desc.bEndpointAddress); + usb_fill_int_urb(urb, stream->dev->udev, + usb_rcvisocpipe(stream->dev->udev, + ep->desc.bEndpointAddress), + stream->urb_buffer[i], size, + uvc_video_complete, stream, + ep->desc.bInterval); #ifndef CONFIG_DMA_NONCOHERENT urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; urb->transfer_dma = stream->urb_dma[i]; #else urb->transfer_flags = URB_ISO_ASAP; #endif - urb->interval = ep->desc.bInterval; - urb->transfer_buffer = stream->urb_buffer[i]; - urb->complete = uvc_video_complete; urb->number_of_packets = npackets; - urb->transfer_buffer_length = size; for (j = 0; j < npackets; ++j) { urb->iso_frame_desc[j].offset = j * psize; -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> To: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: linux-media@vger.kernel.org, Mauro Carvalho Chehab <mchehab@kernel.org>, linux-usb@vger.kernel.org, tglx@linutronix.de Subject: [27/27,v2] media: uvcvideo: use usb_fill_int_urb() for the ->intarval value Date: Wed, 20 Jun 2018 17:21:22 +0200 [thread overview] Message-ID: <20180620152122.ebstiwvdpbhgsbrs@linutronix.de> (raw) uvc_init_video_isoc() assigns urb->interval = p->desc.bInterval; for the interval. This is correct for FS/LS. For HS/SS the bInterval value is using a logarithmic encoding. The usb_fill_int_urb() function takes this into account while settings the ->interval member. ->start_frame is set to -1 on init and should be filled by the HC on completion of the URB. Use usb_fill_int_urb() to fill the members of the struct urb. Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- drivers/media/usb/uvc/uvc_video.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index a88b2e51a666..79e7a827ed44 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -1619,21 +1619,19 @@ static int uvc_init_video_isoc(struct uvc_streaming *stream, return -ENOMEM; } - urb->dev = stream->dev->udev; - urb->context = stream; - urb->pipe = usb_rcvisocpipe(stream->dev->udev, - ep->desc.bEndpointAddress); + usb_fill_int_urb(urb, stream->dev->udev, + usb_rcvisocpipe(stream->dev->udev, + ep->desc.bEndpointAddress), + stream->urb_buffer[i], size, + uvc_video_complete, stream, + ep->desc.bInterval); #ifndef CONFIG_DMA_NONCOHERENT urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; urb->transfer_dma = stream->urb_dma[i]; #else urb->transfer_flags = URB_ISO_ASAP; #endif - urb->interval = ep->desc.bInterval; - urb->transfer_buffer = stream->urb_buffer[i]; - urb->complete = uvc_video_complete; urb->number_of_packets = npackets; - urb->transfer_buffer_length = size; for (j = 0; j < npackets; ++j) { urb->iso_frame_desc[j].offset = j * psize;
next prev parent reply other threads:[~2018-06-20 15:21 UTC|newest] Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-06-20 11:00 medial: use irqsave() in URB completion + usb_fill_int_urb Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 01/27] media: b2c2: use usb_fill_int_urb() Sebastian Andrzej Siewior 2018-06-20 11:00 ` [01/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 02/27] media: cpia2_usb: " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [02/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 03/27] media: cx231xx: use usb_fill_XXX_urb() Sebastian Andrzej Siewior 2018-06-20 11:00 ` [03/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 04/27] media: cx231xx: use irqsave() in USB's complete callback Sebastian Andrzej Siewior 2018-06-20 11:00 ` [04/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 05/27] media: dvb-usb: use usb_fill_int_urb() Sebastian Andrzej Siewior 2018-06-20 11:00 ` [05/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 06/27] media: dvb_usb_v2: " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [06/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 07/27] media: em28xx-audio: use GFP_KERNEL for memory allocation during init Sebastian Andrzej Siewior 2018-06-20 11:00 ` [07/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 08/27] media: em28xx-audio: use irqsave() in USB's complete callback Sebastian Andrzej Siewior 2018-06-20 11:00 ` [08/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 09/27] media: em28xx-audio: use usb_fill_int_urb() Sebastian Andrzej Siewior 2018-06-20 11:00 ` [09/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 10/27] media: go7007: use irqsave() in USB's complete callback Sebastian Andrzej Siewior 2018-06-20 11:00 ` [10/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 11/27] media: gspca: benq: use usb_fill_int_urb() Sebastian Andrzej Siewior 2018-06-20 11:00 ` [11/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 12/27] media: gspca: gspca: use usb_fill_XXX_urb() Sebastian Andrzej Siewior 2018-06-20 11:00 ` [12/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 13/27] media: gspca: konica: use usb_fill_int_urb() Sebastian Andrzej Siewior 2018-06-20 11:00 ` [13/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 14/27] media: gspca: sq930x: use GFP_KERNEL in sd_dq_callback() Sebastian Andrzej Siewior 2018-06-20 11:00 ` [14/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 15/27] media: msi2500: use usb_fill_int_urb() Sebastian Andrzej Siewior 2018-06-20 11:00 ` [15/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 16/27] media: pwc: " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [16/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 17/27] media: stk1160: " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [17/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 18/27] media: stkwebcam: " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [18/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 19/27] media: tm6000: use irqsave() in USB's complete callback Sebastian Andrzej Siewior 2018-06-20 11:00 ` [19/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 20/27] media: ttusb-budget: use usb_fill_int_urb() Sebastian Andrzej Siewior 2018-06-20 11:00 ` [20/27] " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [PATCH 21/27] media: ttusb-dec: " Sebastian Andrzej Siewior 2018-06-20 11:00 ` [21/27] " Sebastian Andrzej Siewior 2018-06-20 11:01 ` [PATCH 22/27] media: ttusbir: " Sebastian Andrzej Siewior 2018-06-20 11:01 ` [22/27] " Sebastian Andrzej Siewior 2018-06-20 20:50 ` [PATCH 22/27] " Sean Young 2018-06-20 20:50 ` [22/27] " Sean Young 2018-06-21 7:37 ` [PATCH 22/27] " Sebastian Andrzej Siewior 2018-06-21 7:37 ` [22/27] " Sebastian Andrzej Siewior 2018-06-20 11:01 ` [PATCH 23/27] media: usbtv: use irqsave() in USB's complete callback Sebastian Andrzej Siewior 2018-06-20 11:01 ` [23/27] " Sebastian Andrzej Siewior 2018-06-20 11:01 ` [PATCH 24/27] media: usbtv: use usb_fill_int_urb() Sebastian Andrzej Siewior 2018-06-20 11:01 ` [24/27] " Sebastian Andrzej Siewior 2018-06-20 11:01 ` [PATCH 25/27] media: usbvision: remove time_in_irq Sebastian Andrzej Siewior 2018-06-20 11:01 ` [25/27] " Sebastian Andrzej Siewior 2018-06-20 11:01 ` [PATCH 26/27] media: usbvision: use usb_fill_int_urb() Sebastian Andrzej Siewior 2018-06-20 11:01 ` [26/27] " Sebastian Andrzej Siewior 2018-06-20 11:01 ` [PATCH 27/27] media: uvcvideo: " Sebastian Andrzej Siewior 2018-06-20 11:01 ` [27/27] " Sebastian Andrzej Siewior 2018-06-20 11:55 ` [PATCH 27/27] " Laurent Pinchart 2018-06-20 11:55 ` [27/27] " Laurent Pinchart 2018-06-20 13:21 ` [PATCH 27/27] " Sebastian Andrzej Siewior 2018-06-20 13:21 ` [27/27] " Sebastian Andrzej Siewior 2018-06-20 14:14 ` [PATCH 27/27] " Laurent Pinchart 2018-06-20 14:14 ` [27/27] " Laurent Pinchart 2018-06-20 15:20 ` [PATCH] USB: note that usb_fill_int_urb() can be used used for ISOC urbs Sebastian Andrzej Siewior 2018-06-20 15:20 ` Sebastian Andrzej Siewior 2018-06-20 15:35 ` [PATCH] " Alan Stern 2018-06-20 15:35 ` Alan Stern 2018-06-20 16:02 ` [PATCH] " Sebastian Andrzej Siewior 2018-06-20 16:02 ` Sebastian Andrzej Siewior 2018-06-20 16:21 ` [PATCH] " Alan Stern 2018-06-20 16:21 ` Alan Stern 2018-06-20 16:49 ` [PATCH] " Sebastian Andrzej Siewior 2018-06-20 16:49 ` Sebastian Andrzej Siewior 2018-06-20 17:23 ` [PATCH] " Alan Stern 2018-06-20 17:23 ` Alan Stern 2018-07-12 22:35 ` [PATCH RFC] usb: add usb_fill_iso_urb() Sebastian Andrzej Siewior 2018-07-12 22:35 ` [RFC] " Sebastian Andrzej Siewior 2018-07-13 7:29 ` [PATCH RFC] " Greg Kroah-Hartman 2018-07-13 7:29 ` [RFC] " Greg Kroah-Hartman 2018-07-13 7:47 ` [PATCH RFC] " Sebastian Andrzej Siewior 2018-07-13 7:47 ` [RFC] " Sebastian Andrzej Siewior 2018-07-16 22:53 ` [PATCH RFC] " Sebastian Andrzej Siewior 2018-07-16 22:53 ` [RFC] " Sebastian Andrzej Siewior 2018-07-17 6:54 ` [PATCH RFC] " Clemens Ladisch 2018-07-17 6:54 ` Clemens Ladisch 2018-07-17 6:54 ` [RFC] " Clemens Ladisch 2018-08-06 21:21 ` [PATCH RFC] " Laurent Pinchart 2018-08-06 21:21 ` [RFC] " Laurent Pinchart 2018-08-06 22:02 ` [PATCH RFC] " Sebastian Andrzej Siewior 2018-08-06 22:02 ` [RFC] " Sebastian Andrzej Siewior 2018-07-13 8:01 ` [PATCH RFC] " Laurent Pinchart 2018-07-13 8:01 ` [RFC] " Laurent Pinchart 2018-07-13 20:12 ` [PATCH RFC] " Alan Stern 2018-07-13 20:12 ` [RFC] " Alan Stern 2018-06-20 15:21 ` Sebastian Andrzej Siewior [this message] 2018-06-20 15:21 ` [27/27,v2] media: uvcvideo: use usb_fill_int_urb() for the ->intarval value Sebastian Andrzej Siewior 2018-06-20 15:40 ` [PATCH 27/27 v2] " Alan Stern 2018-06-20 15:40 ` [27/27,v2] " Alan Stern
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