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authorJingoo Han <jg1.han@samsung.com>2014-02-11 21:41:54 +0900
committerWim Van Sebroeck <wim@iguana.be>2014-03-31 13:24:14 +0200
commit4f6120b014c6a981a57a8951e01acfead1a57069 (patch)
tree87f85a6d6ab757c0b0ecaaee723b0762cf30210d /drivers/watchdog
parenta17fb5cbee5dffcb93aeb4b71e2ef9e0eeec0bc2 (diff)
watchdog: ep93xx_wdt: Use devm_ioremap_resource()
Use devm_ioremap_resource() in order to make the code simpler, and remove redundant return value check of platform_get_resource() because the value is checked by devm_ioremap_resource(). Signed-off-by: Jingoo Han <jg1.han@samsung.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/ep93xx_wdt.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/watchdog/ep93xx_wdt.c b/drivers/watchdog/ep93xx_wdt.c
index d1d07f2f69d..5e4f3dea85f 100644
--- a/drivers/watchdog/ep93xx_wdt.c
+++ b/drivers/watchdog/ep93xx_wdt.c
@@ -118,16 +118,9 @@ static int ep93xx_wdt_probe(struct platform_device *pdev)
int err;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res)
- return -ENXIO;
-
- if (!devm_request_mem_region(&pdev->dev, res->start,
- resource_size(res), pdev->name))
- return -EBUSY;
-
- mmio_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
- if (!mmio_base)
- return -ENXIO;
+ mmio_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(mmio_base))
+ return PTR_ERR(mmio_base);
if (timeout < 1 || timeout > 3600) {
timeout = WDT_TIMEOUT;