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| /linux/drivers/spi/ |
| H A D | spi-rockchip.c | diff b920cc3191d7612f26f36ee494e05b5ffd9044c0 Wed Feb 24 11:00:04 CET 2016 Huibin Hong <huibin.hong@rock-chips.com> 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>
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