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| author | Lorenzo Bianconi <lorenzo.bianconi@redhat.com> | 2018-07-28 10:19:13 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-08-01 14:50:24 +0100 |
| commit | 304d34360b099020a12af2abb7e1ac506f4ba16d (patch) | |
| tree | 895183b4b3325dd53340300697a0484282d7bed6 /drivers/spi/spi-sh-sci.c | |
| parent | 5ba155a4d4cc8e4cdd3db6df7d03271a3bd91177 (diff) | |
| download | linux-304d34360b099020a12af2abb7e1ac506f4ba16d.tar.bz2 | |
spi: add flags parameter to txrx_word function pointers
Add the capability to specify the flag parameter used in
bitbang_txrx_be_cpha{0,1} through the txrx_word function pointers of
spi_bitbang data structure. That feature will be used to add spi-3wire
support to the spi-gpio controller
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-sh-sci.c')
| -rw-r--r-- | drivers/spi/spi-sh-sci.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/spi/spi-sh-sci.c b/drivers/spi/spi-sh-sci.c index a9beeeed812c..393701cfca3c 100644 --- a/drivers/spi/spi-sh-sci.c +++ b/drivers/spi/spi-sh-sci.c @@ -80,27 +80,31 @@ static inline u32 getmiso(struct spi_device *dev) #include "spi-bitbang-txrx.h" static u32 sh_sci_spi_txrx_mode0(struct spi_device *spi, - unsigned nsecs, u32 word, u8 bits) + unsigned nsecs, u32 word, u8 bits, + unsigned flags) { - return bitbang_txrx_be_cpha0(spi, nsecs, 0, 0, word, bits); + return bitbang_txrx_be_cpha0(spi, nsecs, 0, flags, word, bits); } static u32 sh_sci_spi_txrx_mode1(struct spi_device *spi, - unsigned nsecs, u32 word, u8 bits) + unsigned nsecs, u32 word, u8 bits, + unsigned flags) { - return bitbang_txrx_be_cpha1(spi, nsecs, 0, 0, word, bits); + return bitbang_txrx_be_cpha1(spi, nsecs, 0, flags, word, bits); } static u32 sh_sci_spi_txrx_mode2(struct spi_device *spi, - unsigned nsecs, u32 word, u8 bits) + unsigned nsecs, u32 word, u8 bits, + unsigned flags) { - return bitbang_txrx_be_cpha0(spi, nsecs, 1, 0, word, bits); + return bitbang_txrx_be_cpha0(spi, nsecs, 1, flags, word, bits); } static u32 sh_sci_spi_txrx_mode3(struct spi_device *spi, - unsigned nsecs, u32 word, u8 bits) + unsigned nsecs, u32 word, u8 bits, + unsigned flags) { - return bitbang_txrx_be_cpha1(spi, nsecs, 1, 0, word, bits); + return bitbang_txrx_be_cpha1(spi, nsecs, 1, flags, word, bits); } static void sh_sci_spi_chipselect(struct spi_device *dev, int value) |