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path: root/drivers/pwm/pwm-bcm2835.c
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Diffstat (limited to 'drivers/pwm/pwm-bcm2835.c')
-rw-r--r--drivers/pwm/pwm-bcm2835.c30
1 files changed, 9 insertions, 21 deletions
diff --git a/drivers/pwm/pwm-bcm2835.c b/drivers/pwm/pwm-bcm2835.c
index aa35acbb0cbc..578e95e0296c 100644
--- a/drivers/pwm/pwm-bcm2835.c
+++ b/drivers/pwm/pwm-bcm2835.c
@@ -124,20 +124,14 @@ static const struct pwm_ops bcm2835_pwm_ops = {
.apply = bcm2835_pwm_apply,
};
-static void devm_clk_rate_exclusive_put(void *data)
-{
- struct clk *clk = data;
-
- clk_rate_exclusive_put(clk);
-}
-
static int bcm2835_pwm_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct pwm_chip *chip;
struct bcm2835_pwm *pc;
int ret;
- chip = devm_pwmchip_alloc(&pdev->dev, 2, sizeof(*pc));
+ chip = devm_pwmchip_alloc(dev, 2, sizeof(*pc));
if (IS_ERR(chip))
return PTR_ERR(chip);
pc = to_bcm2835_pwm(chip);
@@ -146,24 +140,19 @@ static int bcm2835_pwm_probe(struct platform_device *pdev)
if (IS_ERR(pc->base))
return PTR_ERR(pc->base);
- pc->clk = devm_clk_get_enabled(&pdev->dev, NULL);
+ pc->clk = devm_clk_get_enabled(dev, NULL);
if (IS_ERR(pc->clk))
- return dev_err_probe(&pdev->dev, PTR_ERR(pc->clk),
+ return dev_err_probe(dev, PTR_ERR(pc->clk),
"clock not found\n");
- ret = clk_rate_exclusive_get(pc->clk);
+ ret = devm_clk_rate_exclusive_get(dev, pc->clk);
if (ret)
- return dev_err_probe(&pdev->dev, ret,
+ return dev_err_probe(dev, ret,
"fail to get exclusive rate\n");
- ret = devm_add_action_or_reset(&pdev->dev, devm_clk_rate_exclusive_put,
- pc->clk);
- if (ret)
- return ret;
-
pc->rate = clk_get_rate(pc->clk);
if (!pc->rate)
- return dev_err_probe(&pdev->dev, -EINVAL,
+ return dev_err_probe(dev, -EINVAL,
"failed to get clock rate\n");
chip->ops = &bcm2835_pwm_ops;
@@ -171,10 +160,9 @@ static int bcm2835_pwm_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, pc);
- ret = devm_pwmchip_add(&pdev->dev, chip);
+ ret = devm_pwmchip_add(dev, chip);
if (ret < 0)
- return dev_err_probe(&pdev->dev, ret,
- "failed to add pwmchip\n");
+ return dev_err_probe(dev, ret, "failed to add pwmchip\n");
return 0;
}