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[media] omap3isp: remove per ISP module link creation functions

Browse Source 
The entities to video nodes links were created on separate functions for
each ISP module but since the only thing that these functions do is to
call media_create_pad_link(), there's no need for that indirection level
and all link creation logic can be just inlined in the caller function.

Also, since the only possible failure for the link creation is a memory
allocation, there is no need for error messages since the core already
reports a very verbose message in that case.

Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Javier Martinez Canillas 2015-12-11 15:16:27 -02:00 committed by Mauro Carvalho Chehab
parent b3b7a9f138
commit b5f6df0607
11 changed files with 35 additions and 108 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
drivers/media/platform/omap3isp/isp.c
View File

@ -1940,37 +1940,51 @@ static int isp_create_pads_links(struct isp_device *isp)
{
int ret;
ret = omap3isp_csi2_create_pads_links(isp);
if (ret < 0) {
dev_err(isp->dev, "CSI2 pads links creation failed\n");
/* Create links between entities and video nodes. */
ret = media_create_pad_link(
&isp->isp_csi2a.subdev.entity, CSI2_PAD_SOURCE,
&isp->isp_csi2a.video_out.video.entity, 0, 0);
if (ret < 0)
return ret;
}
ret = omap3isp_ccp2_create_pads_links(isp);
if (ret < 0) {
dev_err(isp->dev, "CCP2 pads links creation failed\n");
ret = media_create_pad_link(
&isp->isp_ccp2.video_in.video.entity, 0,
&isp->isp_ccp2.subdev.entity, CCP2_PAD_SINK, 0);
if (ret < 0)
return ret;
}
ret = omap3isp_ccdc_create_pads_links(isp);
if (ret < 0) {
dev_err(isp->dev, "CCDC pads links creation failed\n");
ret = media_create_pad_link(
&isp->isp_ccdc.subdev.entity, CCDC_PAD_SOURCE_OF,
&isp->isp_ccdc.video_out.video.entity, 0, 0);
if (ret < 0)
return ret;
}
ret = omap3isp_preview_create_pads_links(isp);
if (ret < 0) {
dev_err(isp->dev, "Preview pads links creation failed\n");
ret = media_create_pad_link(
&isp->isp_prev.video_in.video.entity, 0,
&isp->isp_prev.subdev.entity, PREV_PAD_SINK, 0);
if (ret < 0)
return ret;
}
ret = omap3isp_resizer_create_pads_links(isp);
if (ret < 0) {
dev_err(isp->dev, "Resizer pads links creation failed\n");
ret = media_create_pad_link(
&isp->isp_prev.subdev.entity, PREV_PAD_SOURCE,
&isp->isp_prev.video_out.video.entity, 0, 0);
if (ret < 0)
return ret;
}
/* Connect the submodules. */
ret = media_create_pad_link(
&isp->isp_res.video_in.video.entity, 0,
&isp->isp_res.subdev.entity, RESZ_PAD_SINK, 0);
if (ret < 0)
return ret;
ret = media_create_pad_link(
&isp->isp_res.subdev.entity, RESZ_PAD_SOURCE,
&isp->isp_res.video_out.video.entity, 0, 0);
if (ret < 0)
return ret;
/* Create links between entities. */
ret = media_create_pad_link(
&isp->isp_csi2a.subdev.entity, CSI2_PAD_SOURCE,
&isp->isp_ccdc.subdev.entity, CCDC_PAD_SINK, 0);

14
drivers/media/platform/omap3isp/ispccdc.c
View File

@ -2717,20 +2717,6 @@ int omap3isp_ccdc_init(struct isp_device *isp)
return 0;
}
/*
* omap3isp_ccdc_create_pads_links - CCDC pads links creation
* @isp : Pointer to ISP device
* return negative error code or zero on success
*/
int omap3isp_ccdc_create_pads_links(struct isp_device *isp)
{
struct isp_ccdc_device *ccdc = &isp->isp_ccdc;
/* Connect the CCDC subdev to the video node. */
return media_create_pad_link(&ccdc->subdev.entity, CCDC_PAD_SOURCE_OF,
&ccdc->video_out.video.entity, 0, 0);
}
/*
* omap3isp_ccdc_cleanup - CCDC module cleanup.
* @isp: Device pointer specific to the OMAP3 ISP.

1
drivers/media/platform/omap3isp/ispccdc.h
View File

@ -163,7 +163,6 @@ struct isp_ccdc_device {
struct isp_device;
int omap3isp_ccdc_init(struct isp_device *isp);
int omap3isp_ccdc_create_pads_links(struct isp_device *isp);
void omap3isp_ccdc_cleanup(struct isp_device *isp);
int omap3isp_ccdc_register_entities(struct isp_ccdc_device *ccdc,
struct v4l2_device *vdev);

14
drivers/media/platform/omap3isp/ispccp2.c
View File

@ -1153,20 +1153,6 @@ int omap3isp_ccp2_init(struct isp_device *isp)
return 0;
}
/*
* omap3isp_ccp2_create_pads_links - CCP2 pads links creation
* @isp : Pointer to ISP device
* return negative error code or zero on success
*/
int omap3isp_ccp2_create_pads_links(struct isp_device *isp)
{
struct isp_ccp2_device *ccp2 = &isp->isp_ccp2;
/* Connect the video node to the ccp2 subdev. */
return media_create_pad_link(&ccp2->video_in.video.entity, 0,
&ccp2->subdev.entity, CCP2_PAD_SINK, 0);
}
/*
* omap3isp_ccp2_cleanup - CCP2 un-initialization
* @isp : Pointer to ISP device

1
drivers/media/platform/omap3isp/ispccp2.h
View File

@ -79,7 +79,6 @@ struct isp_ccp2_device {
/* Function declarations */
int omap3isp_ccp2_init(struct isp_device *isp);
int omap3isp_ccp2_create_pads_links(struct isp_device *isp);
void omap3isp_ccp2_cleanup(struct isp_device *isp);
int omap3isp_ccp2_register_entities(struct isp_ccp2_device *ccp2,
struct v4l2_device *vdev);

14
drivers/media/platform/omap3isp/ispcsi2.c
View File

@ -1310,20 +1310,6 @@ int omap3isp_csi2_init(struct isp_device *isp)
return 0;
}
/*
* omap3isp_csi2_create_pads_links - CSI2 pads links creation
* @isp : Pointer to ISP device
* return negative error code or zero on success
*/
int omap3isp_csi2_create_pads_links(struct isp_device *isp)
{
struct isp_csi2_device *csi2a = &isp->isp_csi2a;
/* Connect the CSI2 subdev to the video node. */
return media_create_pad_link(&csi2a->subdev.entity, CSI2_PAD_SOURCE,
&csi2a->video_out.video.entity, 0, 0);
}
/*
* omap3isp_csi2_cleanup - Routine for module driver cleanup
*/

1
drivers/media/platform/omap3isp/ispcsi2.h
View File

@ -148,7 +148,6 @@ struct isp_csi2_device {
void omap3isp_csi2_isr(struct isp_csi2_device *csi2);
int omap3isp_csi2_reset(struct isp_csi2_device *csi2);
int omap3isp_csi2_init(struct isp_device *isp);
int omap3isp_csi2_create_pads_links(struct isp_device *isp);
void omap3isp_csi2_cleanup(struct isp_device *isp);
void omap3isp_csi2_unregister_entities(struct isp_csi2_device *csi2);
int omap3isp_csi2_register_entities(struct isp_csi2_device *csi2,

20
drivers/media/platform/omap3isp/isppreview.c
View File

@ -2341,26 +2341,6 @@ int omap3isp_preview_init(struct isp_device *isp)
return preview_init_entities(prev);
}
/*
* omap3isp_preview_create_pads_links - Previewer pads links creation
* @isp : Pointer to ISP device
* return negative error code or zero on success
*/
int omap3isp_preview_create_pads_links(struct isp_device *isp)
{
struct isp_prev_device *prev = &isp->isp_prev;
int ret;
/* Connect the video nodes to the previewer subdev. */
ret = media_create_pad_link(&prev->video_in.video.entity, 0,
&prev->subdev.entity, PREV_PAD_SINK, 0);
if (ret < 0)
return ret;
return media_create_pad_link(&prev->subdev.entity, PREV_PAD_SOURCE,
&prev->video_out.video.entity, 0, 0);
}
void omap3isp_preview_cleanup(struct isp_device *isp)
{
struct isp_prev_device *prev = &isp->isp_prev;

1
drivers/media/platform/omap3isp/isppreview.h
View File

@ -148,7 +148,6 @@ struct isp_prev_device {
struct isp_device;
int omap3isp_preview_init(struct isp_device *isp);
int omap3isp_preview_create_pads_links(struct isp_device *isp);
void omap3isp_preview_cleanup(struct isp_device *isp);
int omap3isp_preview_register_entities(struct isp_prev_device *prv,

20
drivers/media/platform/omap3isp/ispresizer.c
View File

@ -1785,26 +1785,6 @@ int omap3isp_resizer_init(struct isp_device *isp)
return resizer_init_entities(res);
}
/*
* omap3isp_resizer_create_pads_links - Resizer pads links creation
* @isp : Pointer to ISP device
* return negative error code or zero on success
*/
int omap3isp_resizer_create_pads_links(struct isp_device *isp)
{
struct isp_res_device *res = &isp->isp_res;
int ret;
/* Connect the video nodes to the resizer subdev. */
ret = media_create_pad_link(&res->video_in.video.entity, 0,
&res->subdev.entity, RESZ_PAD_SINK, 0);
if (ret < 0)
return ret;
return media_create_pad_link(&res->subdev.entity, RESZ_PAD_SOURCE,
&res->video_out.video.entity, 0, 0);
}
void omap3isp_resizer_cleanup(struct isp_device *isp)
{
struct isp_res_device *res = &isp->isp_res;

1
drivers/media/platform/omap3isp/ispresizer.h
View File

@ -119,7 +119,6 @@ struct isp_res_device {
struct isp_device;
int omap3isp_resizer_init(struct isp_device *isp);
int omap3isp_resizer_create_pads_links(struct isp_device *isp);
void omap3isp_resizer_cleanup(struct isp_device *isp);
int omap3isp_resizer_register_entities(struct isp_res_device *res,