From: Chew, Chiau Ee <chiau.ee.c...@intel.com>
It was observed that after module removal followed by insertion,
the SW mode chipselect is not properly set. Thus causing transfer
failure due to incorrect CS toggling.
Signed-off-by: Chew, Chiau Ee <chiau.ee.c...@intel.com>
Acked-by: Mika Westerberg <mika.westerb...@linux.intel.com>
---
drivers/spi/spi-pxa2xx.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index a98df7e..cfaf3e6 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -126,7 +126,7 @@ static void lpss_ssp_setup(struct driver_data *drv_data)
goto detection_done;
}
- value &= ~SPI_CS_CONTROL_SW_MODE;
+ orig = value &= ~SPI_CS_CONTROL_SW_MODE;
writel(value, drv_data->ioaddr + offset + SPI_CS_CONTROL);
value = readl(drv_data->ioaddr + offset + SPI_CS_CONTROL);
if (value != orig) {
--
1.7.4.4
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