diff options
| author | Krzysztof Kozlowski | 2020-08-29 08:47:16 +0200 |
|---|---|---|
| committer | Jonathan Cameron | 2020-09-03 19:40:50 +0100 |
| commit | ce30eeb613cbde817ae3c041505a3181cccb9d35 (patch) | |
| tree | c6b18f66e6330c7c9676e51aa391ac386914cc33 /drivers/iio/adc/stm32-adc.c | |
| parent | 6d2710ce2c45122eea4ccdb4cee1fd56e6702cea (diff) | |
iio: adc: stm32: Simplify with dev_err_probe()
Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200829064726.26268-8-krzk@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/adc/stm32-adc.c')
| -rw-r--r-- | drivers/iio/adc/stm32-adc.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c index 3eb9ebe8372f..b3f31f147347 100644 --- a/drivers/iio/adc/stm32-adc.c +++ b/drivers/iio/adc/stm32-adc.c @@ -1805,13 +1805,9 @@ static int stm32_adc_dma_request(struct device *dev, struct iio_dev *indio_dev) adc->dma_chan = dma_request_chan(dev, "rx"); if (IS_ERR(adc->dma_chan)) { ret = PTR_ERR(adc->dma_chan); - if (ret != -ENODEV) { - if (ret != -EPROBE_DEFER) - dev_err(dev, - "DMA channel request failed with %d\n", - ret); - return ret; - } + if (ret != -ENODEV) + return dev_err_probe(dev, ret, + "DMA channel request failed with\n"); /* DMA is optional: fall back to IRQ mode */ adc->dma_chan = NULL; |