UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

spi: pxa2xx: Extract clear_SSCR1_bits() helper 

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>
Link: https://lore.kernel.org/r/20210510124134.24638-12-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Andy Shevchenko 2021-05-10 15:41:31 +03:00 committed by Mark Brown
parent 1bed378c6b
commit 42c80cd439
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/spi/spi-pxa2xx-dma.c
View File

@ -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);

7
drivers/spi/spi-pxa2xx.c
View File

@ -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);

5
drivers/spi/spi-pxa2xx.h
View File

@ -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 ||