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authorRoman Tereshonkov <roman.tereshonkov@nokia.com>2010-03-15 09:06:28 +0000
committerGrant Likely <grant.likely@secretlab.ca>2010-04-28 01:25:22 -0600
commita330ce2001b290c59fe98c37e981683ef0a75fdf (patch)
tree159a0b99fe7ae17dac7bde40d2e6a430bb533e15 /drivers/spi
parent07a389feefd79d41c8542cf31ce1cf25a1466e2c (diff)
downloadop-kernel-dev-a330ce2001b290c59fe98c37e981683ef0a75fdf.zip
op-kernel-dev-a330ce2001b290c59fe98c37e981683ef0a75fdf.tar.gz
omap2_mcspi: Flush posted writes
mcspi_write_chconf0 is used to control rx/tx triggering. Post-write flushing is needed to get the immediate effect. Signed-off-by: Roman Tereshonkov <roman.tereshonkov@nokia.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/omap2_mcspi.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index d8356af..581bd21 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -204,6 +204,7 @@ static inline void mcspi_write_chconf0(const struct spi_device *spi, u32 val)
cs->chconf0 = val;
mcspi_write_cs_reg(spi, OMAP2_MCSPI_CHCONF0, val);
+ mcspi_read_cs_reg(spi, OMAP2_MCSPI_CHCONF0);
}
static void omap2_mcspi_set_dma_req(const struct spi_device *spi,
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