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, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Alan Stern <stern@rowland.harvard.edu> Subject: [PATCH] USB: note that usb_fill_int_urb() can be used used for ISOC urbs. Date: Wed, 20 Jun 2018 17:20:07 +0200 [thread overview] Message-ID: <20180620152007.xapqkv4ww2hnmvkq@linutronix.de> (raw) In-Reply-To: <18211658.4PQ3SEps0f@avalon> Laurent suggested that the kerneldoc documentation could state that usb_fill_int_urb() can also be used for the initialisation of an isochronous urb. The USB documentation in Documentation/driver-api/usb/URB.rst already mentions this, some drivers do so and there is no explicit usb_fill_iso_urb(). Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- On 2018-06-20 17:14:53 [+0300], Laurent Pinchart wrote: > > So you simply asking that the kerneldoc of usb_fill_int_urb() is > > extended to mention isoc, too? > > That would be nice I think. here it is. include/linux/usb.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/usb.h b/include/linux/usb.h index 4cdd515a4385..c3a8bd586121 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -1657,7 +1657,8 @@ static inline void usb_fill_bulk_urb(struct urb *urb, * the endpoint descriptor's bInterval value. * * Initializes a interrupt urb with the proper information needed to submit - * it to a device. + * it to a device. This function can also be used to initialize an isochronous + * urb. * * Note that High Speed and SuperSpeed(+) interrupt endpoints use a logarithmic * encoding of the endpoint interval, and express polling intervals in -- 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, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Alan Stern <stern@rowland.harvard.edu> Subject: USB: note that usb_fill_int_urb() can be used used for ISOC urbs. Date: Wed, 20 Jun 2018 17:20:07 +0200 [thread overview] Message-ID: <20180620152007.xapqkv4ww2hnmvkq@linutronix.de> (raw) Laurent suggested that the kerneldoc documentation could state that usb_fill_int_urb() can also be used for the initialisation of an isochronous urb. The USB documentation in Documentation/driver-api/usb/URB.rst already mentions this, some drivers do so and there is no explicit usb_fill_iso_urb(). Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- On 2018-06-20 17:14:53 [+0300], Laurent Pinchart wrote: > > So you simply asking that the kerneldoc of usb_fill_int_urb() is > > extended to mention isoc, too? > > That would be nice I think. here it is. include/linux/usb.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/usb.h b/include/linux/usb.h index 4cdd515a4385..c3a8bd586121 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -1657,7 +1657,8 @@ static inline void usb_fill_bulk_urb(struct urb *urb, * the endpoint descriptor's bInterval value. * * Initializes a interrupt urb with the proper information needed to submit - * it to a device. + * it to a device. This function can also be used to initialize an isochronous + * urb. * * Note that High Speed and SuperSpeed(+) interrupt endpoints use a logarithmic * encoding of the endpoint interval, and express polling intervals in
next prev parent reply other threads:[~2018-06-20 15:20 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 ` Sebastian Andrzej Siewior [this message] 2018-06-20 15:20 ` USB: note that usb_fill_int_urb() can be used used for ISOC urbs 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 ` [PATCH 27/27 v2] media: uvcvideo: use usb_fill_int_urb() for the ->intarval value Sebastian Andrzej Siewior 2018-06-20 15:21 ` [27/27,v2] " 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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