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| /linux/drivers/iio/adc/ |
| H A D | stm32-adc.c | diff 9c0d6ccd7d6bbd275e390b55a3390b4274291d95 Wed May 03 18:20:28 CEST 2023 Sean Nyekjaer <sean@geanix.com> iio: adc: stm32-adc: skip adc-diff-channels setup if none is present
If no adc differential channels are defined driver will fail with EINVAL:
stm32-adc: probe of 48003000.adc:adc@0 failed with error -22
Fix this by skipping the initialization if no channels are defined.
This applies only to the legacy way of initializing adc channels.
Fixes: d7705f35448a ("iio: adc: stm32-adc: convert to device properties")
Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Link: https://lore.kernel.org/r/20230503162029.3654093-1-sean@geanix.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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