This fixes following warnings when all links are being disconnected:
[ 20.080000] WARNING: at drivers/media/platform/s5p-fimc/fimc-mdevice.c:1269 __fimc_md_set_camclk+0x208/0x20c()
[ 20.090000] Modules linked in:
[ 20.095000] [<c001603c>] (unwind_backtrace+0x0/0x13c) from [<c00246dc>] (warn_slowpath_common+0x54/0x64)
[ 20.105000] [<c00246dc>] (warn_slowpath_common+0x54/0x64) from [<c0024708>] (warn_slowpath_null+0x1c/0x24)
[ 20.115000] [<c0024708>] (warn_slowpath_null+0x1c/0x24) from [<c0323fe8>] (__fimc_md_set_camclk+0x208/0x20c)
[ 20.125000] [<c0323fe8>] (__fimc_md_set_camclk+0x208/0x20c) from [<c0324368>] (__fimc_pipeline_close+0x38/0x48)
[ 20.135000] [<c0324368>] (__fimc_pipeline_close+0x38/0x48) from [<c0325848>] (fimc_md_link_notify+0x10c/0x198)
[ 20.145000] [<c0325848>] (fimc_md_link_notify+0x10c/0x198) from [<c02f9dd4>] (__media_entity_setup_link+0x1c0/0x1e8)
[ 20.155000] [<c02f9dd4>] (__media_entity_setup_link+0x1c0/0x1e8) from [<c02f9710>] (media_device_ioctl+0x2c0/0x41c)
[ 20.165000] [<c02f9710>] (media_device_ioctl+0x2c0/0x41c) from [<c02f9938>] (media_ioctl+0x30/0x34)
[ 20.175000] [<c02f9938>] (media_ioctl+0x30/0x34) from [<c00cf0bc>] (do_vfs_ioctl+0x84/0x5e8)
[ 20.185000] [<c00cf0bc>] (do_vfs_ioctl+0x84/0x5e8) from [<c00cf65c>] (sys_ioctl+0x3c/0x60)
[ 20.190000] [<c00cf65c>] (sys_ioctl+0x3c/0x60) from [<c000f040>] (ret_fast_syscall+0x0/0x30)
Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/media/platform/s5p-fimc/fimc-mdevice.c | 39 ++++++++++++------------
1 file changed, 19 insertions(+), 20 deletions(-)
diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.c b/drivers/media/platform/s5p-fimc/fimc-mdevice.c
index a17fcb2..9be0b7d 100644
--- a/drivers/media/platform/s5p-fimc/fimc-mdevice.c
+++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.c
@@ -827,7 +827,7 @@ static int fimc_md_link_notify(struct media_pad *source,
struct fimc_pipeline *pipeline;
struct v4l2_subdev *sd;
struct mutex *lock;
- int ret = 0;
+ int i, ret = 0;
int ref_count;
if (media_entity_type(sink->entity) != MEDIA_ENT_T_V4L2_SUBDEV)
@@ -854,29 +854,28 @@ static int fimc_md_link_notify(struct media_pad *source,
return 0;
}
+ mutex_lock(lock);
+ ref_count = fimc ? fimc->vid_cap.refcnt : fimc_lite->ref_count;
+
if (!(flags & MEDIA_LNK_FL_ENABLED)) {
- int i;
- mutex_lock(lock);
- ret = __fimc_pipeline_close(pipeline);
+ if (ref_count > 0) {
+ ret = __fimc_pipeline_close(pipeline);
+ if (!ret)
+ fimc_ctrls_delete(fimc->vid_cap.ctx);
+ }
for (i = 0; i < IDX_MAX; i++)
pipeline->subdevs[i] = NULL;
- if (fimc)
- fimc_ctrls_delete(fimc->vid_cap.ctx);
- mutex_unlock(lock);
- return ret;
+ } else if (ref_count > 0) {
+ /*
+ * Link activation. Enable power of pipeline elements only if
+ * the pipeline is already in use, i.e. its video node is open.
+ * Recreate the controls destroyed during the link deactivation.
+ */
+ ret = __fimc_pipeline_open(pipeline,
+ source->entity, true);
+ if (!ret && fimc)
+ ret = fimc_capture_ctrls_create(fimc);
}
- /*
- * Link activation. Enable power of pipeline elements only if the
- * pipeline is already in use, i.e. its video node is opened.
- * Recreate the controls destroyed during the link deactivation.
- */
- mutex_lock(lock);
-
- ref_count = fimc ? fimc->vid_cap.refcnt : fimc_lite->ref_count;
- if (ref_count > 0)
- ret = __fimc_pipeline_open(pipeline, source->entity, true);
- if (!ret && fimc)
- ret = fimc_capture_ctrls_create(fimc);
mutex_unlock(lock);
return ret ? -EPIPE : ret;
--
1.7.9.5
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