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| author | George Shore <george@georgeshore.com> | 2010-01-21 11:40:48 +0000 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-01-21 07:24:29 -0700 |
| commit | 83fe518a839e317480e50a138ef4acd73510d7ce (patch) | |
| tree | a13e5fba61277441066aaf371cd378af4149ac8a /include/linux/spi | |
| parent | c587b6fa05106606053fc5e8e344f07cd34ace23 (diff) | |
| download | lwn-83fe518a839e317480e50a138ef4acd73510d7ce.tar.gz lwn-83fe518a839e317480e50a138ef4acd73510d7ce.zip | |
spi/dw_spi: enable platform specific chipselect.
The driver core allows for a platform-specific chipselect assert/deassert
function, however the chipselect function in the core doesn't take advantage
of this fact.
This enables the use of a custom function, should it be defined.
Signed-off-by: George Shore <george@georgeshore.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'include/linux/spi')
| -rw-r--r-- | include/linux/spi/dw_spi.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/spi/dw_spi.h b/include/linux/spi/dw_spi.h index 1a127a31e017..cc813f95a2f2 100644 --- a/include/linux/spi/dw_spi.h +++ b/include/linux/spi/dw_spi.h @@ -172,6 +172,10 @@ static inline void spi_chip_sel(struct dw_spi *dws, u16 cs) { if (cs > dws->num_cs) return; + + if (dws->cs_control) + dws->cs_control(1); + dw_writel(dws, ser, 1 << cs); } |