[PATCH] rtc: pcf2127: add error message if writing to CLKOUT register fails

[Hugo Villeneuve]

From: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx>

If writing to CLKOUT register fails, the probe operation will be aborted
without a meaningful error message.

Signed-off-by: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx>
---
 drivers/rtc/rtc-pcf2127.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c
index 3d1f57e54372..823abe2a7147 100644
--- a/drivers/rtc/rtc-pcf2127.c
+++ b/drivers/rtc/rtc-pcf2127.c
@@ -717,8 +717,10 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap,
 	if (!(val & PCF2127_BIT_CLKOUT_OTPR)) {
 		ret = regmap_set_bits(pcf2127->regmap, PCF2127_REG_CLKOUT,
 				      PCF2127_BIT_CLKOUT_OTPR);
-		if (ret < 0)
+		if (ret < 0) {
+			dev_err(dev, "writing to CLKOUT register failed\n");
 			return ret;
+		}
 
 		msleep(100);
 	}
-- 
2.30.2