Current code in sun6i_spi_set_cs() actually clears CPHA and CPOL bits which is obvious wrong. The define for SUN6I_TFR_CTL_CS_MASK is wrong. Fix it.
Signed-off-by: Axel Lin <[email protected]> --- drivers/spi/spi-sun6i.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-sun6i.c b/drivers/spi/spi-sun6i.c index 94d38d0..dacc8d6 100644 --- a/drivers/spi/spi-sun6i.c +++ b/drivers/spi/spi-sun6i.c @@ -36,8 +36,8 @@ #define SUN6I_TFR_CTL_CPHA BIT(0) #define SUN6I_TFR_CTL_CPOL BIT(1) #define SUN6I_TFR_CTL_SPOL BIT(2) -#define SUN6I_TFR_CTL_CS_MASK 0x3 -#define SUN6I_TFR_CTL_CS(cs) (((cs) & SUN6I_TFR_CTL_CS_MASK) << 4) +#define SUN6I_TFR_CTL_CS_MASK 0x30 +#define SUN6I_TFR_CTL_CS(cs) (((cs) << 4) & SUN6I_TFR_CTL_CS_MASK) #define SUN6I_TFR_CTL_CS_MANUAL BIT(6) #define SUN6I_TFR_CTL_CS_LEVEL BIT(7) #define SUN6I_TFR_CTL_DHB BIT(8) -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
