The only effect of returning an error in an spi .remove() callback is
that the spi core issues a generic warning message. Instead emit a more
specific error message and return 0 to not report the same issue twice.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
drivers/iio/potentiometer/max5487.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/potentiometer/max5487.c b/drivers/iio/potentiometer/max5487.c
index 1c0d46a96200..007c2bd324cb 100644
--- a/drivers/iio/potentiometer/max5487.c
+++ b/drivers/iio/potentiometer/max5487.c
@@ -115,11 +115,16 @@ static int max5487_spi_probe(struct spi_device *spi)
static int max5487_spi_remove(struct spi_device *spi)
{
struct iio_dev *indio_dev = spi_get_drvdata(spi);
+ int ret;
iio_device_unregister(indio_dev);
/* save both wiper regs to NV regs */
- return max5487_write_cmd(spi, MAX5487_COPY_AB_TO_NV);
+ ret = max5487_write_cmd(spi, MAX5487_COPY_AB_TO_NV);
+ if (ret)
+ dev_warn(&spi->dev, "Failed to save wiper regs to NV regs\n");
+
+ return 0;
}
static const struct spi_device_id max5487_id[] = {
--
2.30.2
