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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2016-07-06 12:08:11 +0300
committerMark Brown <broonie@kernel.org>2016-07-07 12:47:11 +0300
commit152bc19e2fc2b7fce7ffbc2a9cea94b147223702 (patch)
tree67218005bf4dff25dfc0df65f641c27866098bd3 /drivers/spi
parent1a695a905c18548062509178b98bc91e67510864 (diff)
downloadlinux-152bc19e2fc2b7fce7ffbc2a9cea94b147223702.tar.xz
spi: pxa2xx: Clear all RFT bits in reset_sccr1() on Intel Quark
It seems the commit e5262d0568dc ("spi: spi-pxa2xx: SPI support for Intel Quark X1000") misses one place to be adapted for Intel Quark, i.e. in reset_sccr1(). Clear all RFT bits when call reset_sccr1() on Intel Quark. Fixes: e5262d0568dc ("spi: spi-pxa2xx: SPI support for Intel Quark X1000") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-pxa2xx.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index fe07c0592b44..daf28443b7ad 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -585,7 +585,14 @@ static void reset_sccr1(struct driver_data *drv_data)
u32 sccr1_reg;
sccr1_reg = pxa2xx_spi_read(drv_data, SSCR1) & ~drv_data->int_cr1;
- sccr1_reg &= ~SSCR1_RFT;
+ switch (drv_data->ssp_type) {
+ case QUARK_X1000_SSP:
+ sccr1_reg &= ~QUARK_X1000_SSCR1_RFT;
+ break;
+ default:
+ sccr1_reg &= ~SSCR1_RFT;
+ break;
+ }
sccr1_reg |= chip->threshold;
pxa2xx_spi_write(drv_data, SSCR1, sccr1_reg);
}