iio: adc: stm32-adc: fix sleep in atomic context

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This commit fixes the following error:
"BUG: sleeping function called from invalid context at kernel/irq/chip.c"

In DMA mode suppress the trigger irq handler, and make the buffer
transfers directly in DMA callback, instead.

Fixes: 2763ea0585 ("iio: adc: stm32: add optional dma support")
Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Olivier Moysan 2020-03-09 11:02:12 +01:00 • committed by Jonathan Cameron

parent 28535877ac

commit e2042d2936

1 changed files with 28 additions and 3 deletions

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drivers/iio/adc/stm32-adc.c

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