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authorTiezhu Yang <yangtiezhu@loongson.cn>2020-05-25 09:39:48 +0800
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2020-05-30 04:12:38 +0200
commit710e4a82d6f09ce75eb73e6adb8caf2b0d6cf4c6 (patch)
tree315e4e40cf53111a6931ae99cff21e75a4722a32 /drivers/rtc
parentf4c29a09cccb954f027bf0793877fdd42e5db88f (diff)
rtc: mpc5121: Use correct return value for mpc5121_rtc_probe()
When call function devm_platform_ioremap_resource(), we should use IS_ERR() to check the return value and return PTR_ERR() if failed. Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/1590370788-15136-2-git-send-email-yangtiezhu@loongson.cn
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-mpc5121.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-mpc5121.c b/drivers/rtc/rtc-mpc5121.c
index 3040844129ce..5c2ce71aa044 100644
--- a/drivers/rtc/rtc-mpc5121.c
+++ b/drivers/rtc/rtc-mpc5121.c
@@ -316,7 +316,7 @@ static int mpc5121_rtc_probe(struct platform_device *op)
rtc->regs = devm_platform_ioremap_resource(op, 0);
if (IS_ERR(rtc->regs)) {
dev_err(&op->dev, "%s: couldn't map io space\n", __func__);
- return -ENOSYS;
+ return PTR_ERR(rtc->regs);
}
device_init_wakeup(&op->dev, 1);