From: Chew, Chiau Ee <[email protected]> The Intel LPSS SPI private register bits have to be restored when system resume from S3 suspend.
Signed-off-by: Chew, Chiau Ee <[email protected]> Acked-by: Mika Westerberg <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
