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(parent: 9b7a562) | patch
spi/rockchip: Make sure spi clk is on in rockchip_spi_set_cs
authorHuibin Hong <huibin.hong@rock-chips.com>
Wed, 24 Feb 2016 10:00:04 +0000 (18:00 +0800)
committerMark Brown <broonie@kernel.org>
Sat, 5 Mar 2016 04:40:04 +0000 (13:40 +0900)
commitb920cc3191d7612f26f36ee494e05b5ffd9044c0
treeca0b5c2888d272f365fca7733d1df8aad7e75c11tree | snapshot (tar.gz zip)
parent9b7a56221590cad777e56ec40afe7a6a68f9ac01commit | diff
spi/rockchip: Make sure spi clk is on in rockchip_spi_set_cs

Rockchip_spi_set_cs could be called by spi_setup, but
spi_setup may be called by device driver after runtime suspend.
Then the spi clock is closed, rockchip_spi_set_cs may access the
spi registers, which causes cpu block in some socs.

Fixes: 64e36824b32 ("spi/rockchip: add driver for Rockchip RK3xxx")
Signed-off-by: Huibin Hong <huibin.hong@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-rockchip.c diff | blob | blame | history