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spi/pxa2xx: Restore private register bits.

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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>
This commit is contained in:
Chew, Chiau Ee 2013-11-29 02:13:11 +08:00 committed by Mark Brown
parent 54acbd9688
commit c50325f7bc
1 changed files with 3 additions and 0 deletions
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3
drivers/spi/spi-pxa2xx.c
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@ -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) {