From: Sakari Ailus <sakari.ailus@linux.intel.com>
To: linux-media@vger.kernel.org, hverkuil@xs4all.nl
Cc: mchehab@osg.samsung.com, shuahkh@osg.samsung.com,
laurent.pinchart@ideasonboard.com
Subject: [RFC v3 19/21] omap3isp: Allocate the media device dynamically
Date: Sat, 27 Aug 2016 02:43:27 +0300 [thread overview]
Message-ID: <1472255009-28719-20-git-send-email-sakari.ailus@linux.intel.com> (raw)
In-Reply-To: <1472255009-28719-1-git-send-email-sakari.ailus@linux.intel.com>
Use the new media_device_alloc() API to allocate and release the media
device.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
drivers/media/platform/omap3isp/isp.c | 24 +++++++++++++-----------
drivers/media/platform/omap3isp/isp.h | 2 +-
drivers/media/platform/omap3isp/ispvideo.c | 2 +-
3 files changed, 15 insertions(+), 13 deletions(-)
diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index 5d54e2c..565d392 100644
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -1597,8 +1597,8 @@ static void isp_unregister_entities(struct isp_device *isp)
omap3isp_stat_unregister_entities(&isp->isp_hist);
v4l2_device_unregister(&isp->v4l2_dev);
- media_device_unregister(&isp->media_dev);
- media_device_cleanup(&isp->media_dev);
+ media_device_unregister(isp->media_dev);
+ media_device_put(isp->media_dev);
}
static int isp_link_entity(
@@ -1676,14 +1676,16 @@ static int isp_register_entities(struct isp_device *isp)
{
int ret;
- isp->media_dev.dev = isp->dev;
- strlcpy(isp->media_dev.model, "TI OMAP3 ISP",
- sizeof(isp->media_dev.model));
- isp->media_dev.hw_revision = isp->revision;
- isp->media_dev.link_notify = v4l2_pipeline_link_notify;
- media_device_init(&isp->media_dev);
+ isp->media_dev = media_device_alloc(isp->dev, isp);
+ if (!isp->media_dev)
+ return -ENOMEM;
+
+ strlcpy(isp->media_dev->model, "TI OMAP3 ISP",
+ sizeof(isp->media_dev->model));
+ isp->media_dev->hw_revision = isp->revision;
+ isp->media_dev->link_notify = v4l2_pipeline_link_notify;
- isp->v4l2_dev.mdev = &isp->media_dev;
+ isp->v4l2_dev.mdev = isp->media_dev;
ret = v4l2_device_register(isp->dev, &isp->v4l2_dev);
if (ret < 0) {
dev_err(isp->dev, "%s: V4L2 device registration failed (%d)\n",
@@ -2161,7 +2163,7 @@ static int isp_subdev_notifier_complete(struct v4l2_async_notifier *async)
struct isp_bus_cfg *bus;
int ret;
- ret = media_entity_enum_init(&isp->crashed, &isp->media_dev);
+ ret = media_entity_enum_init(&isp->crashed, isp->media_dev);
if (ret)
return ret;
@@ -2179,7 +2181,7 @@ static int isp_subdev_notifier_complete(struct v4l2_async_notifier *async)
if (ret < 0)
return ret;
- return media_device_register(&isp->media_dev);
+ return media_device_register(isp->media_dev);
}
/*
diff --git a/drivers/media/platform/omap3isp/isp.h b/drivers/media/platform/omap3isp/isp.h
index 7e6f663..7378279 100644
--- a/drivers/media/platform/omap3isp/isp.h
+++ b/drivers/media/platform/omap3isp/isp.h
@@ -176,7 +176,7 @@ struct isp_xclk {
struct isp_device {
struct v4l2_device v4l2_dev;
struct v4l2_async_notifier notifier;
- struct media_device media_dev;
+ struct media_device *media_dev;
struct device *dev;
u32 revision;
diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c
index 7d9f359..45ef38c 100644
--- a/drivers/media/platform/omap3isp/ispvideo.c
+++ b/drivers/media/platform/omap3isp/ispvideo.c
@@ -1077,7 +1077,7 @@ isp_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
pipe = video->video.entity.pipe
? to_isp_pipeline(&video->video.entity) : &video->pipe;
- ret = media_entity_enum_init(&pipe->ent_enum, &video->isp->media_dev);
+ ret = media_entity_enum_init(&pipe->ent_enum, video->isp->media_dev);
if (ret)
goto err_enum_init;
--
2.1.4
next prev parent reply other threads:[~2016-08-26 23:44 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-26 23:43 [RFC v3 00/21] Make use of kref in media device, grab references as needed Sakari Ailus
2016-08-26 23:43 ` [RFC v3 01/21] Revert "[media] media: fix media devnode ioctl/syscall and unregister race" Sakari Ailus
2016-08-26 23:43 ` [RFC v3 02/21] Revert "[media] media: fix use-after-free in cdev_put() when app exits after driver unbind" Sakari Ailus
2016-08-26 23:43 ` [RFC v3 03/21] Revert "[media] media-device: dynamically allocate struct media_devnode" Sakari Ailus
2016-08-26 23:43 ` [RFC v3 04/21] media: Remove useless curly braces and parentheses Sakari Ailus
2016-08-26 23:43 ` [RFC v3 05/21] media: devnode: Rename mdev argument as devnode Sakari Ailus
2016-08-26 23:43 ` [RFC v3 06/21] media device: Drop nop release callback Sakari Ailus
2016-08-26 23:43 ` [RFC v3 07/21] media-device: Make devnode.dev->kobj parent of devnode.cdev Sakari Ailus
2016-08-26 23:43 ` [RFC v3 08/21] media: Enable allocating the media device dynamically Sakari Ailus
2016-08-26 23:43 ` [RFC v3 09/21] media: Split initialising and adding media devnode Sakari Ailus
2016-08-26 23:43 ` [RFC v3 10/21] media: Shuffle functions around Sakari Ailus
2016-08-26 23:43 ` [RFC v3 11/21] media device: Refcount the media device Sakari Ailus
2016-08-26 23:43 ` [RFC v3 12/21] media device: Initialise media devnode in media_device_init() Sakari Ailus
2016-08-26 23:43 ` [RFC v3 13/21] media device: Deprecate media_device_{init,cleanup}() for drivers Sakari Ailus
2016-08-26 23:43 ` [RFC v3 14/21] media device: Get the media device driver's device Sakari Ailus
2016-08-26 23:43 ` [RFC v3 15/21] media: Provide a way to the driver to set a private pointer Sakari Ailus
2016-08-26 23:43 ` [RFC v3 16/21] media: Add release callback for media device Sakari Ailus
2016-08-26 23:43 ` [RFC v3 17/21] v4l: Acquire a reference to the media device for every video device Sakari Ailus
2016-08-26 23:43 ` [RFC v3 18/21] media-device: Postpone graph object removal until free Sakari Ailus
2016-08-26 23:43 ` Sakari Ailus [this message]
2016-08-26 23:43 ` [RFC v3 20/21] omap3isp: Release the isp device struct by media device callback Sakari Ailus
2016-08-26 23:43 ` [RFC v3 21/21] omap3isp: Don't rely on devm for memory resource management Sakari Ailus
2016-12-15 11:23 ` Laurent Pinchart
2016-12-15 11:39 ` Sakari Ailus
2016-12-15 11:42 ` Laurent Pinchart
2016-12-15 11:45 ` Sakari Ailus
2016-12-15 11:57 ` Laurent Pinchart
2016-12-15 19:17 ` Shuah Khan
2016-12-16 13:32 ` Sakari Ailus
2016-12-16 14:39 ` Shuah Khan
2016-11-07 20:16 ` [RFC v3 00/21] Make use of kref in media device, grab references as needed Shuah Khan
2016-11-08 8:19 ` Sakari Ailus
2016-11-09 16:49 ` Shuah Khan
2016-11-09 17:00 ` Shuah Khan
2016-11-09 17:46 ` Mauro Carvalho Chehab
2016-11-14 13:27 ` Sakari Ailus
2016-11-22 17:44 ` Mauro Carvalho Chehab
2016-11-22 18:13 ` Hans Verkuil
2016-11-22 18:41 ` Shuah Khan
2016-11-22 22:56 ` Shuah Khan
2016-11-28 10:45 ` Sakari Ailus
2016-11-29 11:13 ` Mauro Carvalho Chehab
2016-12-13 10:53 ` Sakari Ailus
2016-12-13 12:24 ` Mauro Carvalho Chehab
2016-12-13 22:23 ` Shuah Khan
2016-12-15 10:39 ` Laurent Pinchart
2016-12-15 14:56 ` Shuah Khan
2016-12-16 16:58 ` Laurent Pinchart
2016-12-15 11:30 ` Sakari Ailus
2016-12-15 12:56 ` Laurent Pinchart
2016-12-15 14:03 ` Hans Verkuil
2016-12-15 14:32 ` Mauro Carvalho Chehab
2016-12-15 14:45 ` Hans Verkuil
2016-12-15 15:45 ` Mauro Carvalho Chehab
2016-12-15 16:07 ` Hans Verkuil
2016-12-16 16:47 ` Laurent Pinchart
2016-12-16 16:43 ` Laurent Pinchart
2016-12-15 14:45 ` Shuah Khan
2016-12-15 15:26 ` Hans Verkuil
2016-12-15 16:06 ` Shuah Khan
2016-12-15 16:28 ` Hans Verkuil
2016-12-15 17:09 ` Shuah Khan
2016-12-15 17:25 ` Mauro Carvalho Chehab
2016-12-15 17:51 ` Shuah Khan
2016-12-16 10:11 ` Hans Verkuil
2016-12-16 10:57 ` Mauro Carvalho Chehab
2016-12-16 11:27 ` Hans Verkuil
2016-12-16 12:00 ` Mauro Carvalho Chehab
2016-12-16 14:45 ` Hans Verkuil
2016-12-19 9:28 ` Media summit in Feb? - Was: " Mauro Carvalho Chehab
2016-12-21 1:31 ` Mauro Carvalho Chehab
2016-12-21 14:27 ` Shuah Khan
2016-12-22 17:47 ` Laurent Pinchart
2016-12-22 20:43 ` Mauro Carvalho Chehab
2016-12-16 10:03 ` Hans Verkuil
2016-12-16 10:12 ` Mauro Carvalho Chehab
2016-12-23 18:13 ` Laurent Pinchart
2016-12-15 17:08 ` Mauro Carvalho Chehab
2016-12-23 17:55 ` Laurent Pinchart
2016-12-23 17:48 ` Laurent Pinchart
2016-12-23 17:27 ` Laurent Pinchart
2016-12-16 15:07 ` Sakari Ailus
2016-12-16 16:34 ` Laurent Pinchart
2016-12-19 9:46 ` Mauro Carvalho Chehab
2017-01-02 7:53 ` Sakari Ailus
2017-01-24 10:49 ` Mauro Carvalho Chehab
2017-01-25 11:02 ` Sakari Ailus
2017-01-26 9:10 ` Mauro Carvalho Chehab
2017-05-30 23:41 ` Shuah Khan
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