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Subject[PATCH v2 1/3] pwm: mtk_disp: clear the clock operations
Date
Remove the clk_prepare from mtk_disp_pwm_probe.
Remove the clk_unprepare from mtk_disp_pwm_remove.

Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
---
drivers/pwm/pwm-mtk-disp.c | 23 ++---------------------
1 file changed, 2 insertions(+), 21 deletions(-)

diff --git a/drivers/pwm/pwm-mtk-disp.c b/drivers/pwm/pwm-mtk-disp.c
index 87c6b4bc5d43..21416a8b6b47 100644
--- a/drivers/pwm/pwm-mtk-disp.c
+++ b/drivers/pwm/pwm-mtk-disp.c
@@ -192,14 +192,6 @@ static int mtk_disp_pwm_probe(struct platform_device *pdev)
if (IS_ERR(mdp->clk_mm))
return PTR_ERR(mdp->clk_mm);

- ret = clk_prepare(mdp->clk_main);
- if (ret < 0)
- return ret;
-
- ret = clk_prepare(mdp->clk_mm);
- if (ret < 0)
- goto disable_clk_main;
-
mdp->chip.dev = &pdev->dev;
mdp->chip.ops = &mtk_disp_pwm_ops;
mdp->chip.base = -1;
@@ -208,7 +200,7 @@ static int mtk_disp_pwm_probe(struct platform_device *pdev)
ret = pwmchip_add(&mdp->chip);
if (ret < 0) {
dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret);
- goto disable_clk_mm;
+ return ret;
}

platform_set_drvdata(pdev, mdp);
@@ -227,24 +219,13 @@ static int mtk_disp_pwm_probe(struct platform_device *pdev)
}

return 0;
-
-disable_clk_mm:
- clk_unprepare(mdp->clk_mm);
-disable_clk_main:
- clk_unprepare(mdp->clk_main);
- return ret;
}

static int mtk_disp_pwm_remove(struct platform_device *pdev)
{
struct mtk_disp_pwm *mdp = platform_get_drvdata(pdev);
- int ret;
-
- ret = pwmchip_remove(&mdp->chip);
- clk_unprepare(mdp->clk_mm);
- clk_unprepare(mdp->clk_main);

- return ret;
+ return pwmchip_remove(&mdp->chip);
}

static const struct mtk_pwm_data mt2701_pwm_data = {
--
2.12.5
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