]> git.baikalelectronics.ru Git - kernel.git/commit
spi: stm32: properly handle 0 byte transfer
authorAlain Volmat <alain.volmat@foss.st.com>
Fri, 5 Feb 2021 18:59:25 +0000 (19:59 +0100)
committerMark Brown <broonie@kernel.org>
Fri, 5 Feb 2021 19:16:55 +0000 (19:16 +0000)
commit396cf079400af2b0a242d98b6cff95dce796af57
tree71adb74584ab69136bb13a51e3bf3ba463305222
parent8e9f248b9843db365c230b0c60d82e79529fc96a
spi: stm32: properly handle 0 byte transfer

On 0 byte transfer request, return straight from the
xfer function after finalizing the transfer.

Fixes: e13f116451b3 ("spi: add driver for STM32 SPI controller")
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/1612551572-495-2-git-send-email-alain.volmat@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-stm32.c