spi: stm32: add start dma transfer function
authorCezary Gapinski <cezary.gapinski@gmail.com>
Mon, 24 Dec 2018 22:00:36 +0000 (23:00 +0100)
committerMark Brown <broonie@kernel.org>
Mon, 7 Jan 2019 18:25:22 +0000 (18:25 +0000)
commitf8bb12f2fa4f05c8a957abf4a77e268dd7af2558
treea25078884e2765c2908b61120742495e1b4b9fa4
parent9d5fce166c7a26ed9811f9b0ae914a079e62c0f8
spi: stm32: add start dma transfer function

Add transfer_one_dma_start function to be more generic for other
stm32 SPI family drivers.

Signed-off-by: Cezary Gapinski <cezary.gapinski@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-stm32.c