diff options
| author | Lorenzo Bianconi | 2018-07-28 10:19:13 +0200 |
|---|---|---|
| committer | Mark Brown | 2018-08-01 15:50:24 +0200 |
| commit | 304d34360b099020a12af2abb7e1ac506f4ba16d (patch) | |
| tree | 895183b4b3325dd53340300697a0484282d7bed6 /drivers/spi/spi-gpio.c | |
| parent | spi: add SPI controller driver for UniPhier SoC (diff) | |
| download | kernel-qcow2-linux-304d34360b099020a12af2abb7e1ac506f4ba16d.tar.gz kernel-qcow2-linux-304d34360b099020a12af2abb7e1ac506f4ba16d.tar.xz kernel-qcow2-linux-304d34360b099020a12af2abb7e1ac506f4ba16d.zip | |
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-gpio.c')
| -rw-r--r-- | drivers/spi/spi-gpio.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c index 6ae92d4dca19..be68298cbd9c 100644 --- a/drivers/spi/spi-gpio.c +++ b/drivers/spi/spi-gpio.c @@ -149,27 +149,27 @@ static inline int getmiso(const struct spi_device *spi) */ static u32 spi_gpio_txrx_word_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 spi_gpio_txrx_word_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 spi_gpio_txrx_word_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 spi_gpio_txrx_word_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); } /* @@ -183,30 +183,30 @@ static u32 spi_gpio_txrx_word_mode3(struct spi_device *spi, */ static u32 spi_gpio_spec_txrx_word_mode0(struct spi_device *spi, - unsigned nsecs, u32 word, u8 bits) + unsigned nsecs, u32 word, u8 bits, unsigned flags) { - unsigned flags = spi->master->flags; + flags = spi->master->flags; return bitbang_txrx_be_cpha0(spi, nsecs, 0, flags, word, bits); } static u32 spi_gpio_spec_txrx_word_mode1(struct spi_device *spi, - unsigned nsecs, u32 word, u8 bits) + unsigned nsecs, u32 word, u8 bits, unsigned flags) { - unsigned flags = spi->master->flags; + flags = spi->master->flags; return bitbang_txrx_be_cpha1(spi, nsecs, 0, flags, word, bits); } static u32 spi_gpio_spec_txrx_word_mode2(struct spi_device *spi, - unsigned nsecs, u32 word, u8 bits) + unsigned nsecs, u32 word, u8 bits, unsigned flags) { - unsigned flags = spi->master->flags; + flags = spi->master->flags; return bitbang_txrx_be_cpha0(spi, nsecs, 1, flags, word, bits); } static u32 spi_gpio_spec_txrx_word_mode3(struct spi_device *spi, - unsigned nsecs, u32 word, u8 bits) + unsigned nsecs, u32 word, u8 bits, unsigned flags) { - unsigned flags = spi->master->flags; + flags = spi->master->flags; return bitbang_txrx_be_cpha1(spi, nsecs, 1, flags, word, bits); } |