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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-10-08 08:28:26 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-10-08 08:28:26 -0300
commitf19866e5cb04f8f007cb422132ea4611cdacc8e3 (patch)
treeee8d9b12a8ec6335ed76b3c58ba0f3e1fea7616e /drivers/media/platform
parenta700f2d8e79ff80041078f160fe1edccf89b0c66 (diff)
Linux-libre 4.2.3-gnupck-4.2.3-gnu
Diffstat (limited to 'drivers/media/platform')
-rw-r--r--drivers/media/platform/am437x/am437x-vpfe.c16
-rw-r--r--drivers/media/platform/omap3isp/isp.c27
-rw-r--r--drivers/media/platform/xilinx/xilinx-dma.c4
3 files changed, 31 insertions, 16 deletions
diff --git a/drivers/media/platform/am437x/am437x-vpfe.c b/drivers/media/platform/am437x/am437x-vpfe.c
index 1fba339cd..c8447fa3f 100644
--- a/drivers/media/platform/am437x/am437x-vpfe.c
+++ b/drivers/media/platform/am437x/am437x-vpfe.c
@@ -1186,14 +1186,24 @@ static int vpfe_initialize_device(struct vpfe_device *vpfe)
static int vpfe_release(struct file *file)
{
struct vpfe_device *vpfe = video_drvdata(file);
+ bool fh_singular;
int ret;
mutex_lock(&vpfe->lock);
- if (v4l2_fh_is_singular_file(file))
- vpfe_ccdc_close(&vpfe->ccdc, vpfe->pdev);
+ /* Save the singular status before we call the clean-up helper */
+ fh_singular = v4l2_fh_is_singular_file(file);
+
+ /* the release helper will cleanup any on-going streaming */
ret = _vb2_fop_release(file, NULL);
+ /*
+ * If this was the last open file.
+ * Then de-initialize hw module.
+ */
+ if (fh_singular)
+ vpfe_ccdc_close(&vpfe->ccdc, vpfe->pdev);
+
mutex_unlock(&vpfe->lock);
return ret;
@@ -1565,7 +1575,7 @@ static int vpfe_s_fmt(struct file *file, void *priv,
return -EBUSY;
}
- ret = vpfe_try_fmt(file, priv, fmt);
+ ret = vpfe_try_fmt(file, priv, &format);
if (ret)
return ret;
diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index 18d0a8717..12be830d7 100644
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -829,14 +829,14 @@ static int isp_pipeline_link_notify(struct media_link *link, u32 flags,
int ret;
if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH &&
- !(link->flags & MEDIA_LNK_FL_ENABLED)) {
+ !(flags & MEDIA_LNK_FL_ENABLED)) {
/* Powering off entities is assumed to never fail. */
isp_pipeline_pm_power(source, -sink_use);
isp_pipeline_pm_power(sink, -source_use);
return 0;
}
- if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH &&
+ if (notification == MEDIA_DEV_NOTIFY_PRE_LINK_CH &&
(flags & MEDIA_LNK_FL_ENABLED)) {
ret = isp_pipeline_pm_power(source, sink_use);
@@ -2000,10 +2000,8 @@ static int isp_register_entities(struct isp_device *isp)
ret = v4l2_device_register_subdev_nodes(&isp->v4l2_dev);
done:
- if (ret < 0) {
+ if (ret < 0)
isp_unregister_entities(isp);
- v4l2_async_notifier_unregister(&isp->notifier);
- }
return ret;
}
@@ -2423,10 +2421,6 @@ static int isp_probe(struct platform_device *pdev)
ret = isp_of_parse_nodes(&pdev->dev, &isp->notifier);
if (ret < 0)
return ret;
- ret = v4l2_async_notifier_register(&isp->v4l2_dev,
- &isp->notifier);
- if (ret)
- return ret;
} else {
isp->pdata = pdev->dev.platform_data;
isp->syscon = syscon_regmap_lookup_by_pdevname("syscon.0");
@@ -2557,18 +2551,27 @@ static int isp_probe(struct platform_device *pdev)
if (ret < 0)
goto error_iommu;
- isp->notifier.bound = isp_subdev_notifier_bound;
- isp->notifier.complete = isp_subdev_notifier_complete;
-
ret = isp_register_entities(isp);
if (ret < 0)
goto error_modules;
+ if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) {
+ isp->notifier.bound = isp_subdev_notifier_bound;
+ isp->notifier.complete = isp_subdev_notifier_complete;
+
+ ret = v4l2_async_notifier_register(&isp->v4l2_dev,
+ &isp->notifier);
+ if (ret)
+ goto error_register_entities;
+ }
+
isp_core_init(isp, 1);
omap3isp_put(isp);
return 0;
+error_register_entities:
+ isp_unregister_entities(isp);
error_modules:
isp_cleanup_modules(isp);
error_iommu:
diff --git a/drivers/media/platform/xilinx/xilinx-dma.c b/drivers/media/platform/xilinx/xilinx-dma.c
index 98e50e446..e779c93cb 100644
--- a/drivers/media/platform/xilinx/xilinx-dma.c
+++ b/drivers/media/platform/xilinx/xilinx-dma.c
@@ -699,8 +699,10 @@ int xvip_dma_init(struct xvip_composite_device *xdev, struct xvip_dma *dma,
/* ... and the buffers queue... */
dma->alloc_ctx = vb2_dma_contig_init_ctx(dma->xdev->dev);
- if (IS_ERR(dma->alloc_ctx))
+ if (IS_ERR(dma->alloc_ctx)) {
+ ret = PTR_ERR(dma->alloc_ctx);
goto error;
+ }
/* Don't enable VB2_READ and VB2_WRITE, as using the read() and write()
* V4L2 APIs would be inefficient. Testing on the command line with a