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

From: Matti Vaittinen
Date: Tue Mar 21 2023 - 05:18:31 EST


On 3/18/23 00:57, Sebastian Reichel wrote:
Add device context and error code to the error messages to make it
useful.

Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>

Reviewed-by: Matti Vaittinen <mazziesaccount@xxxxxxxxx>

---
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;

--
Matti Vaittinen
Linux kernel developer at ROHM Semiconductors
Oulu Finland

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