[PATCH RESEND 4/5] watchdog: shwdt: use devm_clk_get()

From: Jingoo Han
Date: Mon Apr 29 2013 - 05:16:40 EST


Use devm_clk_get() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
drivers/watchdog/shwdt.c | 16 ++++------------
1 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/watchdog/shwdt.c b/drivers/watchdog/shwdt.c
index 6185af2..ea2154b 100644
--- a/drivers/watchdog/shwdt.c
+++ b/drivers/watchdog/shwdt.c
@@ -241,7 +241,7 @@ static int sh_wdt_probe(struct platform_device *pdev)

wdt->dev = &pdev->dev;

- wdt->clk = clk_get(&pdev->dev, NULL);
+ wdt->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(wdt->clk)) {
/*
* Clock framework support is optional, continue on
@@ -251,10 +251,8 @@ static int sh_wdt_probe(struct platform_device *pdev)
}

wdt->base = devm_ioremap_resource(wdt->dev, res);
- if (IS_ERR(wdt->base)) {
- rc = PTR_ERR(wdt->base);
- goto err;
- }
+ if (IS_ERR(wdt->base))
+ return PTR_ERR(wdt->base);

watchdog_set_nowayout(&sh_wdt_dev, nowayout);
watchdog_set_drvdata(&sh_wdt_dev, wdt);
@@ -277,7 +275,7 @@ static int sh_wdt_probe(struct platform_device *pdev)
rc = watchdog_register_device(&sh_wdt_dev);
if (unlikely(rc)) {
dev_err(&pdev->dev, "Can't register watchdog (err=%d)\n", rc);
- goto err;
+ return rc;
}

init_timer(&wdt->timer);
@@ -292,11 +290,6 @@ static int sh_wdt_probe(struct platform_device *pdev)
pm_runtime_enable(&pdev->dev);

return 0;
-
-err:
- clk_put(wdt->clk);
-
- return rc;
}

static int sh_wdt_remove(struct platform_device *pdev)
@@ -308,7 +301,6 @@ static int sh_wdt_remove(struct platform_device *pdev)
watchdog_unregister_device(&sh_wdt_dev);

pm_runtime_disable(&pdev->dev);
- clk_put(wdt->clk);

return 0;
}
--
1.7.2.5


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