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rtc: Use devm_platform_ioremap_resource()

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Simplify probe by using a known wrapper function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Link: https://lore.kernel.org/r/4552ef52-f218-93b1-6dfa-668d137676f8@web.de
Link: https://lore.kernel.org/r/5ecfcf43-d6b2-1a38-dee8-b8806f30bc83@web.de
Link: https://lore.kernel.org/r/25448e11-c43f-9ae0-4c43-6f789accc026@web.de
Reviewed-by: Akinobu Mita <akinobu.mita@gmail.com>
Link: https://lore.kernel.org/r/8c17a59c-82ff-aa6b-5653-a38d786d3e83@web.de
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Markus Elfring
2019-09-21 11:49:01 +02:00
committed by Alexandre Belloni
parent eaa6ef563d
commit 89576bebbc
4 changed files with 5 additions and 30 deletions
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7
drivers/rtc/rtc-r7301.c
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@@ -354,21 +354,16 @@ static void rtc7301_init(struct rtc7301_priv *priv)
static int __init rtc7301_rtc_probe(struct platform_device *dev)
{
struct resource *res;
void __iomem *regs;
struct rtc7301_priv *priv;
struct rtc_device *rtc;
int ret;
res = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (!res)
return -ENODEV;
priv = devm_kzalloc(&dev->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
regs = devm_ioremap_resource(&dev->dev, res);
regs = devm_platform_ioremap_resource(dev, 0);
if (IS_ERR(regs))
return PTR_ERR(regs);