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authorAxel Lin <axel.lin@gmail.com>2012-06-29 21:32:15 +0800
committerThierry Reding <thierry.reding@avionic-design.de>2012-07-23 13:24:03 +0200
commit6192fa87447ed3c6c4005be640a088fa8e5733f8 (patch)
tree47727919c2f156f3baa18566c420c224bbba919b /drivers/pwm/pwm-samsung.c
parent0c8f527d8c80a027b46798127a6dd815b4bb99c2 (diff)
pwm: Convert pwm-samsung to use devm_* APIs
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Diffstat (limited to 'drivers/pwm/pwm-samsung.c')
-rw-r--r--drivers/pwm/pwm-samsung.c24
1 files changed, 6 insertions, 18 deletions
diff --git a/drivers/pwm/pwm-samsung.c b/drivers/pwm/pwm-samsung.c
index c40c37e968e6..35fa0e8b0f87 100644
--- a/drivers/pwm/pwm-samsung.c
+++ b/drivers/pwm/pwm-samsung.c
@@ -1,4 +1,4 @@
-/* arch/arm/plat-s3c/pwm.c
+/* drivers/pwm/pwm-samsung.c
*
* Copyright (c) 2007 Ben Dooks
* Copyright (c) 2008 Simtec Electronics
@@ -215,7 +215,7 @@ static int s3c_pwm_probe(struct platform_device *pdev)
return -ENXIO;
}
- s3c = kzalloc(sizeof(*s3c), GFP_KERNEL);
+ s3c = devm_kzalloc(&pdev->dev, sizeof(*s3c), GFP_KERNEL);
if (s3c == NULL) {
dev_err(dev, "failed to allocate pwm_device\n");
return -ENOMEM;
@@ -227,18 +227,16 @@ static int s3c_pwm_probe(struct platform_device *pdev)
s3c->chip.base = -1;
s3c->chip.npwm = 1;
- s3c->clk = clk_get(dev, "pwm-tin");
+ s3c->clk = devm_clk_get(dev, "pwm-tin");
if (IS_ERR(s3c->clk)) {
dev_err(dev, "failed to get pwm tin clk\n");
- ret = PTR_ERR(s3c->clk);
- goto err_alloc;
+ return PTR_ERR(s3c->clk);
}
- s3c->clk_div = clk_get(dev, "pwm-tdiv");
+ s3c->clk_div = devm_clk_get(dev, "pwm-tdiv");
if (IS_ERR(s3c->clk_div)) {
dev_err(dev, "failed to get pwm tdiv clk\n");
- ret = PTR_ERR(s3c->clk_div);
- goto err_clk_tin;
+ return PTR_ERR(s3c->clk_div);
}
clk_enable(s3c->clk);
@@ -272,13 +270,6 @@ static int s3c_pwm_probe(struct platform_device *pdev)
err_clk_tdiv:
clk_disable(s3c->clk_div);
clk_disable(s3c->clk);
- clk_put(s3c->clk_div);
-
- err_clk_tin:
- clk_put(s3c->clk);
-
- err_alloc:
- kfree(s3c);
return ret;
}
@@ -293,9 +284,6 @@ static int __devexit s3c_pwm_remove(struct platform_device *pdev)
clk_disable(s3c->clk_div);
clk_disable(s3c->clk);
- clk_put(s3c->clk_div);
- clk_put(s3c->clk);
- kfree(s3c);
return 0;
}

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