There are few places that repeat the logic of "clear some bits in SSCR1". Extract clear_SSCR1_bits() helper to deduplicate that.
Signed-off-by: Andy Shevchenko andriy.shevchenko@linux.intel.com --- drivers/spi/spi-pxa2xx-dma.c | 4 +--- drivers/spi/spi-pxa2xx.c | 7 ++----- drivers/spi/spi-pxa2xx.h | 5 +++++ 3 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/spi/spi-pxa2xx-dma.c b/drivers/spi/spi-pxa2xx-dma.c index 5ca01ad7f460..e581027e99f9 100644 --- a/drivers/spi/spi-pxa2xx-dma.c +++ b/drivers/spi/spi-pxa2xx-dma.c @@ -41,9 +41,7 @@ static void pxa2xx_spi_dma_transfer_complete(struct driver_data *drv_data, }
/* Clear status & disable interrupts */ - pxa2xx_spi_write(drv_data, SSCR1, - pxa2xx_spi_read(drv_data, SSCR1) - & ~drv_data->dma_cr1); + clear_SSCR1_bits(drv_data, drv_data->dma_cr1); write_SSSR_CS(drv_data, drv_data->clear_sr); if (!pxa25x_ssp_comp(drv_data)) pxa2xx_spi_write(drv_data, SSTO, 0); diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 54eaa048651f..3a4ad16614f7 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -733,8 +733,7 @@ static irqreturn_t interrupt_transfer(struct driver_data *drv_data) static void handle_bad_msg(struct driver_data *drv_data) { pxa2xx_spi_off(drv_data); - pxa2xx_spi_write(drv_data, SSCR1, - pxa2xx_spi_read(drv_data, SSCR1) & ~drv_data->int_cr1); + clear_SSCR1_bits(drv_data, drv_data->int_cr1); if (!pxa25x_ssp_comp(drv_data)) pxa2xx_spi_write(drv_data, SSTO, 0); write_SSSR_CS(drv_data, drv_data->clear_sr); @@ -1161,9 +1160,7 @@ static void pxa2xx_spi_handle_err(struct spi_controller *controller, pxa2xx_spi_off(drv_data); /* Clear and disable interrupts and service requests */ write_SSSR_CS(drv_data, drv_data->clear_sr); - pxa2xx_spi_write(drv_data, SSCR1, - pxa2xx_spi_read(drv_data, SSCR1) - & ~(drv_data->int_cr1 | drv_data->dma_cr1)); + clear_SSCR1_bits(drv_data, drv_data->int_cr1 | drv_data->dma_cr1); if (!pxa25x_ssp_comp(drv_data)) pxa2xx_spi_write(drv_data, SSTO, 0);
diff --git a/drivers/spi/spi-pxa2xx.h b/drivers/spi/spi-pxa2xx.h index 739e264feaa6..ed63f7165cd8 100644 --- a/drivers/spi/spi-pxa2xx.h +++ b/drivers/spi/spi-pxa2xx.h @@ -105,6 +105,11 @@ static inline int pxa25x_ssp_comp(struct driver_data *drv_data) } }
+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 void write_SSSR_CS(struct driver_data *drv_data, u32 val) { if (drv_data->ssp_type == CE4100_SSP ||