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SubjectRe: [PATCH] rtc: pcf2127: add error message if writing to CLKOUT register fails
On 19/01/2022 12:27:39-0500, Hugo Villeneuve wrote:
> From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
>
> If writing to CLKOUT register fails, the probe operation will be aborted
> without a meaningful error message.
>

The current trend is to remove debug messages, please do not add more :)

> Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
> ---
> 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
>

--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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