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(parent: 7d1311b) | patch
spi/rockchip: fix bug that cause the failure to read data in DMA mode
authorAddy Ke <addy.ke@rock-chips.com>
Thu, 25 Sep 2014 06:59:41 +0000 (14:59 +0800)
committerMark Brown <broonie@kernel.org>
Thu, 25 Sep 2014 13:14:44 +0000 (14:14 +0100)
commita24e70c0ac146f8bcae3cdb7f514950d5b32219e
tree5efc415cbd87dc6882e03e39d80ca21d9b327719tree | snapshot (tar.gz zip)
parent7d1311b93e58ed55f3a31cc8f94c4b8fe988a2b9commit | diff
spi/rockchip: fix bug that cause the failure to read data in DMA mode

In my test on RK3288-pinky board, if spi is enabled, it will begin to
read data from slave regardless of whether the DMA is ready. So we
need prepare DMA before spi is enable.

Signed-off-by: Addy Ke <addy.ke@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
drivers/spi/spi-rockchip.c diff | blob | blame | history