Replace clk_enable by clock_enable_prepare and clk_disable with clk_disable_unprepare.
Clock prepare is required by Clock Common Framework, and old clock driver didn`t support it.
Without it Common Clock Framework prints a warning.
Signed-off-by: Mateusz Krawczuk <m.krawczuk@xxxxxxxxxxxxxxxxxxx>
---
drivers/media/platform/s5p-tv/mixer_drv.c | 35 ++++++++++++++++++++++++-------
1 file changed, 28 insertions(+), 7 deletions(-)
diff --git a/drivers/media/platform/s5p-tv/mixer_drv.c b/drivers/media/platform/s5p-tv/mixer_drv.c
index 51805a5..435c8c0 100644
--- a/drivers/media/platform/s5p-tv/mixer_drv.c
+++ b/drivers/media/platform/s5p-tv/mixer_drv.c
@@ -345,21 +345,42 @@ fail:
static int mxr_runtime_resume(struct device *dev)
{
+ int ret;
struct mxr_device *mdev = to_mdev(dev);
struct mxr_resources *res = &mdev->res;
mxr_dbg(mdev, "resume - start\n");
mutex_lock(&mdev->mutex);
/* turn clocks on */
- clk_enable(res->mixer);
- clk_enable(res->vp);
- clk_enable(res->sclk_mixer);
+ ret = clk_prepare_enable(res->mixer);
+ if (ret < 0) {
+ mxr_err(mdev, "clk_prepare_enable(mixer) failed\n");
+ goto fail;
+ }
+ ret = clk_prepare_enable(res->vp);
+ if (ret < 0) {
+ mxr_err(mdev, "clk_prepare_enable(vp) failed\n");
+ goto fail_mixer;
+ }
+ ret = clk_prepare_enable(res->sclk_mixer);
+ if (ret < 0) {
+ mxr_err(mdev, "clk_prepare_enable(sclk_mixer) failed\n");
+ goto fail_vp;
+ }
/* apply default configuration */
mxr_reg_reset(mdev);
- mxr_dbg(mdev, "resume - finished\n");
mutex_unlock(&mdev->mutex);
+ mxr_dbg(mdev, "resume - finished\n");
return 0;
+fail_vp:
+ clk_disable_unprepare(res->vp);
+fail_mixer:
+ clk_disable_unprepare(res->mixer);
+fail:
+ mutex_unlock(&mdev->mutex);
+ mxr_info(mdev, "resume failed\n");
+ return ret;
}
static int mxr_runtime_suspend(struct device *dev)
@@ -369,9 +390,9 @@ static int mxr_runtime_suspend(struct device *dev)
mxr_dbg(mdev, "suspend - start\n");
mutex_lock(&mdev->mutex);
/* turn clocks off */
- clk_disable(res->sclk_mixer);
- clk_disable(res->vp);
- clk_disable(res->mixer);
+ clk_disable_unprepare(res->sclk_mixer);
+ clk_disable_unprepare(res->vp);
+ clk_disable_unprepare(res->mixer);
mutex_unlock(&mdev->mutex);
mxr_dbg(mdev, "suspend - finished\n");
return 0;
--
1.8.1.2
--
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