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[2/2] V4L2: platform: rcar_jpu: switch off clock on release later

Message ID 1443701012-20730-3-git-send-email-mikhail.ulyanov@cogentembedded.com (mailing list archive)
State New, archived
Headers show

Commit Message

Mikhail Ulyanov Oct. 1, 2015, 12:03 p.m. UTC 
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>
---
 drivers/media/platform/rcar_jpu.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
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Patch

diff --git a/drivers/media/platform/rcar_jpu.c b/drivers/media/platform/rcar_jpu.c
index 039bbbc..aa327e6 100644
--- a/drivers/media/platform/rcar_jpu.c
+++ b/drivers/media/platform/rcar_jpu.c
@@ -1296,17 +1296,17 @@  static int jpu_release(struct file *file)
 	struct jpu *jpu = video_drvdata(file);
 	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_ctrl_handler_free(&ctx->ctrl_handler);
 	v4l2_fh_del(&ctx->fh);
 	v4l2_fh_exit(&ctx->fh);
 	kfree(ctx);
 
+	mutex_lock(&jpu->mutex);
+	if (--jpu->ref_count == 0)
+		clk_disable_unprepare(jpu->clk);
+	mutex_unlock(&jpu->mutex);
+
 	return 0;
 }