Messages in this thread Patch in this message |  | | From | Chew Chiau Ee <> | Subject | [PATCH] spi/pxa2xx: Restore private register bits. | Date | Fri, 29 Nov 2013 02:13:11 +0800 |
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From: Chew, Chiau Ee <chiau.ee.chew@intel.com>
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> --- 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 7028180..7765b19 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) { -- 1.7.4.4
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