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author | Chew, Chiau Ee <chiau.ee.chew@intel.com> | 2013-11-28 22:13:11 +0400 |
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committer | Mark Brown <broonie@linaro.org> | 2013-11-28 15:23:37 +0400 |
commit | c50325f7bcb8a3ceaacb9dbc41180b1cbbae7b5e (patch) | |
tree | a1a133a87129f779abad37eaa3861b84f7ddc816 /drivers/spi/spi-pxa2xx.c | |
parent | 54acbd9688e6324470671525c7916011f1ff8081 (diff) | |
download | linux-c50325f7bcb8a3ceaacb9dbc41180b1cbbae7b5e.tar.xz |
spi/pxa2xx: Restore private register bits.
The Intel LPSS SPI private register bits have to be restored
when system resume from S3 suspend.
Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi/spi-pxa2xx.c')
-rw-r--r-- | drivers/spi/spi-pxa2xx.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 7028180a020a..7765b1999537 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1293,6 +1293,9 @@ static int pxa2xx_spi_resume(struct device *dev) /* Enable the SSP clock */ clk_prepare_enable(ssp->clk); + /* Restore LPSS private register bits */ + lpss_ssp_setup(drv_data); + /* Start the queue running */ status = spi_master_resume(drv_data->master); if (status != 0) { |