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iio: adc: stm32-adc: Use dma_request_chan() instead dma_request_slave_channel()
authorPeter Ujfalusi <peter.ujfalusi@ti.com>
Wed, 8 Jan 2020 08:08:01 +0000 (10:08 +0200)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 12 Jan 2020 11:34:09 +0000 (11:34 +0000)
commit735404b846dffcb320264f62b76e6f70012214dd
tree2563970ae631dc8ed95d655626f509e144544710tree | snapshot
parenta9ab624edd9186fbad734cfe5d606a6da3ca34dbcommit | diff
iio: adc: stm32-adc: Use dma_request_chan() instead dma_request_slave_channel()

dma_request_slave_channel() is a wrapper on top of dma_request_chan()
eating up the error code.

By using dma_request_chan() directly the driver can support deferred
probing against DMA.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/adc/stm32-adc.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git