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| author | Roman Tereshonkov <roman.tereshonkov@nokia.com> | 2010-03-15 09:06:28 +0000 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-04-28 01:25:22 -0600 |
| commit | a330ce2001b290c59fe98c37e981683ef0a75fdf (patch) | |
| tree | 159a0b99fe7ae17dac7bde40d2e6a430bb533e15 /drivers/spi/omap2_mcspi.c | |
| parent | 07a389feefd79d41c8542cf31ce1cf25a1466e2c (diff) | |
| download | lwn-a330ce2001b290c59fe98c37e981683ef0a75fdf.tar.gz lwn-a330ce2001b290c59fe98c37e981683ef0a75fdf.zip | |
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/omap2_mcspi.c')
| -rw-r--r-- | drivers/spi/omap2_mcspi.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c index d8356af118a8..581bd2169d7b 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, |