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Message-Id: <20190426012647.7128-4-slongerbeam@gmail.com>
Date: Thu, 25 Apr 2019 18:26:44 -0700
From: Steve Longerbeam <slongerbeam@...il.com>
To: linux-media@...r.kernel.org
Cc: Steve Longerbeam <slongerbeam@...il.com>,
Philipp Zabel <p.zabel@...gutronix.de>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
Rui Miguel Silva <rmfrfs@...il.com>,
devel@...verdev.osuosl.org (open list:STAGING SUBSYSTEM),
linux-arm-kernel@...ts.infradead.org (moderated list:ARM/FREESCALE IMX
/ MXC ARM ARCHITECTURE), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 3/6] media: staging/imx: Move add_video_device into capture_device_register
Move imx_media_add_video_device() into imx_media_capture_device_register().
Also the former has no error conditions to convert to void.
Signed-off-by: Steve Longerbeam <slongerbeam@...il.com>
---
drivers/staging/media/imx/imx-ic-prpencvf.c | 5 -----
drivers/staging/media/imx/imx-media-capture.c | 3 +++
drivers/staging/media/imx/imx-media-csi.c | 7 +------
drivers/staging/media/imx/imx-media-utils.c | 9 ++++-----
drivers/staging/media/imx/imx-media.h | 4 ++--
drivers/staging/media/imx/imx7-media-csi.c | 12 +-----------
6 files changed, 11 insertions(+), 29 deletions(-)
diff --git a/drivers/staging/media/imx/imx-ic-prpencvf.c b/drivers/staging/media/imx/imx-ic-prpencvf.c
index ddcd87a17c71..8242d88dfb82 100644
--- a/drivers/staging/media/imx/imx-ic-prpencvf.c
+++ b/drivers/staging/media/imx/imx-ic-prpencvf.c
@@ -1241,7 +1241,6 @@ static int prp_s_frame_interval(struct v4l2_subdev *sd,
static int prp_registered(struct v4l2_subdev *sd)
{
struct prp_priv *priv = sd_to_priv(sd);
- struct imx_ic_priv *ic_priv = priv->ic_priv;
int i, ret;
u32 code;
@@ -1271,10 +1270,6 @@ static int prp_registered(struct v4l2_subdev *sd)
if (ret)
return ret;
- ret = imx_media_add_video_device(ic_priv->md, priv->vdev);
- if (ret)
- goto unreg;
-
ret = prp_init_controls(priv);
if (ret)
goto unreg;
diff --git a/drivers/staging/media/imx/imx-media-capture.c b/drivers/staging/media/imx/imx-media-capture.c
index 211ec4df2066..335084a6b0cd 100644
--- a/drivers/staging/media/imx/imx-media-capture.c
+++ b/drivers/staging/media/imx/imx-media-capture.c
@@ -780,6 +780,9 @@ int imx_media_capture_device_register(struct imx_media_video_dev *vdev)
vfd->ctrl_handler = &priv->ctrl_hdlr;
+ /* add vdev to the video device list */
+ imx_media_add_video_device(priv->md, vdev);
+
return 0;
unreg:
video_unregister_device(vfd);
diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index ea3d13103c91..c70fa6b509ae 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -1820,13 +1820,8 @@ static int csi_registered(struct v4l2_subdev *sd)
if (ret)
goto free_fim;
- ret = imx_media_add_video_device(priv->md, priv->vdev);
- if (ret)
- goto unreg;
-
return 0;
-unreg:
- imx_media_capture_device_unregister(priv->vdev);
+
free_fim:
if (priv->fim)
imx_media_fim_free(priv->fim);
diff --git a/drivers/staging/media/imx/imx-media-utils.c b/drivers/staging/media/imx/imx-media-utils.c
index c52aa59acd05..8a6e57652402 100644
--- a/drivers/staging/media/imx/imx-media-utils.c
+++ b/drivers/staging/media/imx/imx-media-utils.c
@@ -767,18 +767,17 @@ imx_media_find_subdev_by_devname(struct imx_media_dev *imxmd,
EXPORT_SYMBOL_GPL(imx_media_find_subdev_by_devname);
/*
- * Adds a video device to the master video device list. This is called by
- * an async subdev that owns a video device when it is registered.
+ * Adds a video device to the master video device list. This is called
+ * when a video device is registered.
*/
-int imx_media_add_video_device(struct imx_media_dev *imxmd,
- struct imx_media_video_dev *vdev)
+void imx_media_add_video_device(struct imx_media_dev *imxmd,
+ struct imx_media_video_dev *vdev)
{
mutex_lock(&imxmd->mutex);
list_add_tail(&vdev->list, &imxmd->vdev_list);
mutex_unlock(&imxmd->mutex);
- return 0;
}
EXPORT_SYMBOL_GPL(imx_media_add_video_device);
diff --git a/drivers/staging/media/imx/imx-media.h b/drivers/staging/media/imx/imx-media.h
index ba2d75bcc4c9..71e20f53ed7b 100644
--- a/drivers/staging/media/imx/imx-media.h
+++ b/drivers/staging/media/imx/imx-media.h
@@ -189,8 +189,8 @@ imx_media_find_subdev_by_fwnode(struct imx_media_dev *imxmd,
struct v4l2_subdev *
imx_media_find_subdev_by_devname(struct imx_media_dev *imxmd,
const char *devname);
-int imx_media_add_video_device(struct imx_media_dev *imxmd,
- struct imx_media_video_dev *vdev);
+void imx_media_add_video_device(struct imx_media_dev *imxmd,
+ struct imx_media_video_dev *vdev);
int imx_media_find_mipi_csi2_channel(struct imx_media_dev *imxmd,
struct media_entity *start_entity);
struct media_pad *
diff --git a/drivers/staging/media/imx/imx7-media-csi.c b/drivers/staging/media/imx/imx7-media-csi.c
index 96d01d8af874..f2037aba6e0e 100644
--- a/drivers/staging/media/imx/imx7-media-csi.c
+++ b/drivers/staging/media/imx/imx7-media-csi.c
@@ -1126,17 +1126,7 @@ static int imx7_csi_registered(struct v4l2_subdev *sd)
if (ret < 0)
return ret;
- ret = imx_media_capture_device_register(csi->vdev);
- if (ret < 0)
- return ret;
-
- ret = imx_media_add_video_device(csi->imxmd, csi->vdev);
- if (ret < 0) {
- imx_media_capture_device_unregister(csi->vdev);
- return ret;
- }
-
- return 0;
+ return imx_media_capture_device_register(csi->vdev);
}
static void imx7_csi_unregistered(struct v4l2_subdev *sd)
--
2.17.1
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