From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Hans Verkuil <hverkuil@xs4all.nl>
Cc: linux-media@vger.kernel.org, Hans Verkuil <hans.verkuil@cisco.com>
Subject: Re: [PATCHv13 01/28] v4l2-device.h: always expose mdev
Date: Wed, 16 May 2018 06:40:43 +0300 [thread overview]
Message-ID: <8283804.eRl6xko2oE@avalon> (raw)
In-Reply-To: <20180503145318.128315-2-hverkuil@xs4all.nl>
Hi Hans,
Thank you for the patch.
On Thursday, 3 May 2018 17:52:51 EEST Hans Verkuil wrote:
> From: Hans Verkuil <hans.verkuil@cisco.com>
>
> The mdev field is only present if CONFIG_MEDIA_CONTROLLER is set.
> But since we will need to pass the media_device to vb2 and the
> control framework it is very convenient to just make this field
> available all the time. If CONFIG_MEDIA_CONTROLLER is not set,
> then it will just be NULL.
>
> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
> include/media/v4l2-device.h | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h
> index 0c9e4da55499..b330e4a08a6b 100644
> --- a/include/media/v4l2-device.h
> +++ b/include/media/v4l2-device.h
> @@ -33,7 +33,7 @@ struct v4l2_ctrl_handler;
> * struct v4l2_device - main struct to for V4L2 device drivers
> *
> * @dev: pointer to struct device.
> - * @mdev: pointer to struct media_device
> + * @mdev: pointer to struct media_device, may be NULL.
> * @subdevs: used to keep track of the registered subdevs
> * @lock: lock this struct; can be used by the driver as well
> * if this struct is embedded into a larger struct.
> @@ -58,9 +58,7 @@ struct v4l2_ctrl_handler;
> */
> struct v4l2_device {
> struct device *dev;
> -#if defined(CONFIG_MEDIA_CONTROLLER)
> struct media_device *mdev;
> -#endif
> struct list_head subdevs;
> spinlock_t lock;
> char name[V4L2_DEVICE_NAME_SIZE];
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2018-05-16 3:40 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-03 14:52 [PATCHv13 00/28] Request API Hans Verkuil
2018-05-03 14:52 ` [PATCHv13 01/28] v4l2-device.h: always expose mdev Hans Verkuil
2018-05-04 10:51 ` Sakari Ailus
2018-05-07 15:46 ` Mauro Carvalho Chehab
2018-05-08 8:34 ` Hans Verkuil
2018-05-16 3:40 ` Laurent Pinchart [this message]
2018-05-03 14:52 ` [PATCHv13 02/28] uapi/linux/media.h: add request API Hans Verkuil
2018-05-04 10:51 ` Sakari Ailus
2018-05-18 14:49 ` Laurent Pinchart
2018-05-03 14:52 ` [PATCHv13 03/28] media-request: implement media requests Hans Verkuil
2018-05-04 12:27 ` Sakari Ailus
2018-05-08 10:21 ` Mauro Carvalho Chehab
2018-05-08 10:52 ` Sakari Ailus
2018-05-08 12:41 ` Mauro Carvalho Chehab
2018-05-08 13:21 ` Sakari Ailus
2018-05-24 11:19 ` Hans Verkuil
2018-05-24 9:26 ` Hans Verkuil
2018-05-03 14:52 ` [PATCHv13 04/28] media-request: add media_request_get_by_fd Hans Verkuil
2018-05-04 12:26 ` Sakari Ailus
2018-05-07 17:01 ` Mauro Carvalho Chehab
2018-05-08 7:34 ` Hans Verkuil
2018-05-08 10:38 ` Mauro Carvalho Chehab
2018-05-03 14:52 ` [PATCHv13 05/28] media-request: add media_request_object_find Hans Verkuil
2018-05-04 12:43 ` Sakari Ailus
2018-05-07 17:05 ` Mauro Carvalho Chehab
2018-05-24 9:36 ` Hans Verkuil
2018-05-08 10:54 ` Sakari Ailus
2018-05-24 9:28 ` Hans Verkuil
2018-05-03 14:52 ` [PATCHv13 06/28] v4l2-dev: lock req_queue_mutex Hans Verkuil
2018-05-07 17:20 ` Mauro Carvalho Chehab
2018-05-08 7:45 ` Hans Verkuil
2018-05-08 10:45 ` Mauro Carvalho Chehab
2018-05-24 9:51 ` Hans Verkuil
2018-05-03 14:52 ` [PATCHv13 07/28] videodev2.h: add request_fd field to v4l2_ext_controls Hans Verkuil
2018-05-03 14:52 ` [PATCHv13 08/28] v4l2-ctrls: v4l2_ctrl_add_handler: add from_other_dev Hans Verkuil
2018-05-03 14:52 ` [PATCHv13 09/28] v4l2-ctrls: prepare internal structs for request API Hans Verkuil
2018-05-07 17:35 ` Mauro Carvalho Chehab
2018-05-08 7:49 ` Hans Verkuil
2018-05-03 14:53 ` [PATCHv13 10/28] v4l2-ctrls: alloc memory for p_req Hans Verkuil
2018-05-03 14:53 ` [PATCHv13 11/28] v4l2-ctrls: use ref in helper instead of ctrl Hans Verkuil
2018-05-03 14:53 ` [PATCHv13 12/28] v4l2-ctrls: add core request support Hans Verkuil
2018-05-07 18:06 ` Mauro Carvalho Chehab
2018-05-08 8:07 ` Hans Verkuil
2018-05-08 10:49 ` Mauro Carvalho Chehab
2018-05-24 10:27 ` Hans Verkuil
2018-05-16 10:19 ` Sakari Ailus
2018-05-16 10:46 ` Sakari Ailus
2018-05-16 10:55 ` Hans Verkuil
2018-05-16 11:18 ` Sakari Ailus
2018-05-03 14:53 ` [PATCHv13 13/28] v4l2-ctrls: support g/s_ext_ctrls for requests Hans Verkuil
2018-05-03 14:53 ` [PATCHv13 14/28] videodev2.h: Add request_fd field to v4l2_buffer Hans Verkuil
2018-05-03 14:53 ` [PATCHv13 15/28] vb2: store userspace data in vb2_v4l2_buffer Hans Verkuil
2018-05-03 14:53 ` [PATCHv13 16/28] videobuf2-core: embed media_request_object Hans Verkuil
2018-05-08 9:54 ` Mauro Carvalho Chehab
2018-05-03 14:53 ` [PATCHv13 17/28] videobuf2-core: integrate with media requests Hans Verkuil
2018-05-03 14:53 ` [PATCHv13 18/28] videobuf2-v4l2: " Hans Verkuil
2018-05-03 14:53 ` [PATCHv13 19/28] videobuf2-core: add request helper functions Hans Verkuil
2018-05-03 14:53 ` [PATCHv13 20/28] videobuf2-v4l2: add vb2_request_queue/validate helpers Hans Verkuil
2018-05-03 14:53 ` [PATCHv13 21/28] v4l2-mem2mem: add vb2_m2m_request_queue Hans Verkuil
2018-05-03 14:53 ` [PATCHv13 22/28] Documentation: v4l: document request API Hans Verkuil
2018-05-18 14:46 ` Laurent Pinchart
2018-05-24 4:32 ` Tomasz Figa
2018-05-24 7:55 ` Hans Verkuil
2018-05-24 14:46 ` Hans Verkuil
2018-05-03 14:53 ` [PATCHv13 23/28] media: vim2m: add media device Hans Verkuil
2018-05-03 14:53 ` [PATCHv13 24/28] vim2m: use workqueue Hans Verkuil
2018-05-04 11:34 ` Sakari Ailus
2018-05-03 14:53 ` [PATCHv13 25/28] vim2m: support requests Hans Verkuil
2018-05-17 20:41 ` Sakari Ailus
2018-05-03 14:53 ` [PATCHv13 26/28] vivid: add mc Hans Verkuil
2018-05-03 14:53 ` [PATCHv13 27/28] vivid: add request support Hans Verkuil
2018-05-03 14:53 ` [PATCHv13 28/28] RFC: media-requests: add debugfs node Hans Verkuil
2018-05-08 10:26 ` [PATCHv13 00/28] Request API Mauro Carvalho Chehab
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