Update graph_mutex to graph_lock spinlock to be in sync with
the Media Conttroller change for the same.
Signed-off-by: Shuah Khan <shua...@osg.samsung.com>
---
drivers/media/platform/exynos4-is/fimc-isp-video.c | 8 ++++----
drivers/media/platform/exynos4-is/fimc-lite.c | 8 ++++----
drivers/media/platform/exynos4-is/media-dev.c | 14 +++++++-------
drivers/media/platform/exynos4-is/media-dev.h | 4 ++--
4 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/drivers/media/platform/exynos4-is/fimc-isp-video.c
b/drivers/media/platform/exynos4-is/fimc-isp-video.c
index 76b6b4d..5ff0a54 100644
--- a/drivers/media/platform/exynos4-is/fimc-isp-video.c
+++ b/drivers/media/platform/exynos4-is/fimc-isp-video.c
@@ -288,7 +288,7 @@ static int isp_video_open(struct file *file)
goto rel_fh;
if (v4l2_fh_is_singular_file(file)) {
- mutex_lock(&me->parent->graph_mutex);
+ spin_lock(&me->parent->graph_lock);
ret = fimc_pipeline_call(ve, open, me, true);
@@ -296,7 +296,7 @@ static int isp_video_open(struct file *file)
if (ret == 0)
me->use_count++;
- mutex_unlock(&me->parent->graph_mutex);
+ spin_unlock(&me->parent->graph_lock);
}
if (!ret)
goto unlock;
@@ -326,9 +326,9 @@ static int isp_video_release(struct file *file)
if (v4l2_fh_is_singular_file(file)) {
fimc_pipeline_call(&ivc->ve, close);
- mutex_lock(&mdev->graph_mutex);
+ spin_lock(&mdev->graph_lock);
entity->use_count--;
- mutex_unlock(&mdev->graph_mutex);
+ spin_unlock(&mdev->graph_lock);
}
pm_runtime_put(&isp->pdev->dev);
diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c
b/drivers/media/platform/exynos4-is/fimc-lite.c
index ca6261a..cb1ea29 100644
--- a/drivers/media/platform/exynos4-is/fimc-lite.c
+++ b/drivers/media/platform/exynos4-is/fimc-lite.c
@@ -500,7 +500,7 @@ static int fimc_lite_open(struct file *file)
atomic_read(&fimc->out_path) != FIMC_IO_DMA)
goto unlock;
- mutex_lock(&me->parent->graph_mutex);
+ spin_lock(&me->parent->graph_lock);
ret = fimc_pipeline_call(&fimc->ve, open, me, true);
@@ -508,7 +508,7 @@ static int fimc_lite_open(struct file *file)
if (ret == 0)
me->use_count++;
- mutex_unlock(&me->parent->graph_mutex);
+ spin_unlock(&me->parent->graph_lock);
if (!ret) {
fimc_lite_clear_event_counters(fimc);
@@ -541,9 +541,9 @@ static int fimc_lite_release(struct file *file)
fimc_pipeline_call(&fimc->ve, close);
clear_bit(ST_FLITE_IN_USE, &fimc->state);
- mutex_lock(&entity->parent->graph_mutex);
+ spin_lock(&entity->parent->graph_lock);
entity->use_count--;
- mutex_unlock(&entity->parent->graph_mutex);
+ spin_unlock(&entity->parent->graph_lock);
}
_vb2_fop_release(file, NULL);
diff --git a/drivers/media/platform/exynos4-is/media-dev.c
b/drivers/media/platform/exynos4-is/media-dev.c
index 4f5586a..3e296e8 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -1046,7 +1046,7 @@ static int __fimc_md_modify_pipeline(struct media_entity
*entity, bool enable)
return ret;
}
-/* Locking: called with entity->parent->graph_mutex mutex held. */
+/* Locking: called with entity->parent->graph_lock lock held. */
static int __fimc_md_modify_pipelines(struct media_entity *entity, bool enable)
{
struct media_entity *entity_err = entity;
@@ -1305,7 +1305,7 @@ static int subdev_notifier_complete(struct
v4l2_async_notifier *notifier)
struct fimc_md *fmd = notifier_to_fimc_md(notifier);
int ret;
- mutex_lock(&fmd->media_dev.graph_mutex);
+ spin_lock(&fmd->media_dev.graph_lock);
ret = fimc_md_create_links(fmd);
if (ret < 0)
@@ -1313,7 +1313,7 @@ static int subdev_notifier_complete(struct
v4l2_async_notifier *notifier)
ret = v4l2_device_register_subdev_nodes(&fmd->v4l2_dev);
unlock:
- mutex_unlock(&fmd->media_dev.graph_mutex);
+ spin_unlock(&fmd->media_dev.graph_lock);
return ret;
}
@@ -1371,21 +1371,21 @@ static int fimc_md_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, fmd);
/* Protect the media graph while we're registering entities */
- mutex_lock(&fmd->media_dev.graph_mutex);
+ spin_lock(&fmd->media_dev.graph_lock);
ret = fimc_md_register_platform_entities(fmd, dev->of_node);
if (ret) {
- mutex_unlock(&fmd->media_dev.graph_mutex);
+ spin_unlock(&fmd->media_dev.graph_lock);
goto err_clk;
}
ret = fimc_md_register_sensor_entities(fmd);
if (ret) {
- mutex_unlock(&fmd->media_dev.graph_mutex);
+ spin_unlock(&fmd->media_dev.graph_lock);
goto err_m_ent;
}
- mutex_unlock(&fmd->media_dev.graph_mutex);
+ spin_unlock(&fmd->media_dev.graph_lock);
ret = device_create_file(&pdev->dev, &dev_attr_subdev_conf_mode);
if (ret)
diff --git a/drivers/media/platform/exynos4-is/media-dev.h
b/drivers/media/platform/exynos4-is/media-dev.h
index 0321454..91edd9b 100644
--- a/drivers/media/platform/exynos4-is/media-dev.h
+++ b/drivers/media/platform/exynos4-is/media-dev.h
@@ -175,12 +175,12 @@ static inline struct fimc_md *notifier_to_fimc_md(struct
v4l2_async_notifier *n)
static inline void fimc_md_graph_lock(struct exynos_video_entity *ve)
{
- mutex_lock(&ve->vdev.entity.parent->graph_mutex);
+ spin_lock(&ve->vdev.entity.parent->graph_lock);
}
static inline void fimc_md_graph_unlock(struct exynos_video_entity *ve)
{
- mutex_unlock(&ve->vdev.entity.parent->graph_mutex);
+ spin_unlock(&ve->vdev.entity.parent->graph_lock);
}
int fimc_md_set_camclk(struct v4l2_subdev *sd, bool on);
--
2.1.4
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