[PATCHv3 13/14] power: supply: generic-adc-battery: improve error message

Sebastian Reichel
2023-03-17T22:57:52Z

Add device context and error code to the error messages to make it
useful.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
---
drivers/power/supply/generic-adc-battery.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/power/supply/generic-adc-battery.c b/drivers/power/supply/generic-adc-battery.c
index df1c0a1c6b52..2fa946c93fb4 100644
--- a/drivers/power/supply/generic-adc-battery.c
+++ b/drivers/power/supply/generic-adc-battery.c
@@ -92,7 +92,7 @@ static int read_channel(struct gab *adc_bat, enum gab_chan_type channel,

ret = iio_read_channel_processed(adc_bat->channel[channel], result);
if (ret < 0)
- pr_err("read channel error\n");
+ dev_err(&adc_bat->psy->dev, "read channel error: %d\n", ret);
else
*result *= 1000;

--
2.39.2