UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

[media] V4L2: platform: rcar_jpu: switch off clock on release later 

Give JPU peripheral chance to finish current job.
Don't switch off clock until context release.

Signed-off-by: Mikhail Ulyanov <mikhail.ulyanov@cogentembedded.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Mikhail Ulyanov 2015-10-01 09:03:32 -03:00 committed by Mauro Carvalho Chehab
parent 69ca0333e2
commit 886aa71bd4
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/media/platform/rcar_jpu.c
View File

@ -1300,17 +1300,17 @@ static int jpu_release(struct file *file)
struct jpu *jpu = video_drvdata(file); struct jpu *jpu = video_drvdata(file);
struct jpu_ctx *ctx = fh_to_ctx(file->private_data); struct jpu_ctx *ctx = fh_to_ctx(file->private_data);
mutex_lock(&jpu->mutex);
if (--jpu->ref_count == 0)
clk_disable_unprepare(jpu->clk);
mutex_unlock(&jpu->mutex);
v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
v4l2_ctrl_handler_free(&ctx->ctrl_handler); v4l2_ctrl_handler_free(&ctx->ctrl_handler);
v4l2_fh_del(&ctx->fh); v4l2_fh_del(&ctx->fh);
v4l2_fh_exit(&ctx->fh); v4l2_fh_exit(&ctx->fh);
kfree(ctx); kfree(ctx);
mutex_lock(&jpu->mutex);
if (--jpu->ref_count == 0)
clk_disable_unprepare(jpu->clk);
mutex_unlock(&jpu->mutex);
return 0; return 0;
} }