diff options
Diffstat (limited to 'drivers/spi/spi-pxa2xx.h')
| -rw-r--r-- | drivers/spi/spi-pxa2xx.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/spi/spi-pxa2xx.h b/drivers/spi/spi-pxa2xx.h index 739e264feaa6..5c6a5e0f249e 100644 --- a/drivers/spi/spi-pxa2xx.h +++ b/drivers/spi/spi-pxa2xx.h @@ -93,7 +93,7 @@ static inline void pxa2xx_spi_write(const struct driver_data *drv_data, u32 reg, #define DMA_ALIGNMENT 8 -static inline int pxa25x_ssp_comp(struct driver_data *drv_data) +static inline int pxa25x_ssp_comp(const struct driver_data *drv_data) { switch (drv_data->ssp_type) { case PXA25x_SSP: @@ -105,11 +105,21 @@ static inline int pxa25x_ssp_comp(struct driver_data *drv_data) } } -static inline void write_SSSR_CS(struct driver_data *drv_data, u32 val) +static inline void clear_SSCR1_bits(const struct driver_data *drv_data, u32 bits) +{ + pxa2xx_spi_write(drv_data, SSCR1, pxa2xx_spi_read(drv_data, SSCR1) & ~bits); +} + +static inline u32 read_SSSR_bits(const struct driver_data *drv_data, u32 bits) +{ + return pxa2xx_spi_read(drv_data, SSSR) & bits; +} + +static inline void write_SSSR_CS(const struct driver_data *drv_data, u32 val) { if (drv_data->ssp_type == CE4100_SSP || drv_data->ssp_type == QUARK_X1000_SSP) - val |= pxa2xx_spi_read(drv_data, SSSR) & SSSR_ALT_FRM_MASK; + val |= read_SSSR_bits(drv_data, SSSR_ALT_FRM_MASK); pxa2xx_spi_write(drv_data, SSSR, val); } |