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spi: pxa2xx: Use LPSS prefix for defines that are Intel LPSS specific 

Rename a few defines that are specific to Intel LPSS SPI private
registers with LPSS prefix. It makes easier to distinguish them from
common defines.

Suggested-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jarkko Nikula 2015-10-28 15:13:39 +02:00 коммит произвёл Mark Brown
Родитель ceb941afa5
Коммит 624ea72ebd
1 изменённых файлов: 8 добавлений и 8 удалений
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16
drivers/spi/spi-pxa2xx.c
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@ -61,9 +61,9 @@ MODULE_ALIAS("platform:pxa2xx-spi");
| QUARK_X1000_SSCR1_TFT \
| SSCR1_SPH | SSCR1_SPO | SSCR1_LBM)
#define GENERAL_REG_RXTO_HOLDOFF_DISABLE BIT(24)
#define SPI_CS_CONTROL_SW_MODE BIT(0)
#define SPI_CS_CONTROL_CS_HIGH BIT(1)
#define LPSS_GENERAL_REG_RXTO_HOLDOFF_DISABLE BIT(24)
#define LPSS_CS_CONTROL_SW_MODE BIT(0)
#define LPSS_CS_CONTROL_CS_HIGH BIT(1)
struct lpss_config {
/* LPSS offset from drv_data->ioaddr */
@ -250,8 +250,8 @@ static void lpss_ssp_setup(struct driver_data *drv_data)
/* Enable software chip select control */
value = __lpss_ssp_read_priv(drv_data, config->reg_cs_ctrl);
value &= ~(SPI_CS_CONTROL_SW_MODE | SPI_CS_CONTROL_CS_HIGH);
value |= SPI_CS_CONTROL_SW_MODE | SPI_CS_CONTROL_CS_HIGH;
value &= ~(LPSS_CS_CONTROL_SW_MODE | LPSS_CS_CONTROL_CS_HIGH);
value |= LPSS_CS_CONTROL_SW_MODE | LPSS_CS_CONTROL_CS_HIGH;
__lpss_ssp_write_priv(drv_data, config->reg_cs_ctrl, value);
/* Enable multiblock DMA transfers */
@ -261,7 +261,7 @@ static void lpss_ssp_setup(struct driver_data *drv_data)
if (config->reg_general >= 0) {
value = __lpss_ssp_read_priv(drv_data,
config->reg_general);
value |= GENERAL_REG_RXTO_HOLDOFF_DISABLE;
value |= LPSS_GENERAL_REG_RXTO_HOLDOFF_DISABLE;
__lpss_ssp_write_priv(drv_data,
config->reg_general, value);
}
@ -277,9 +277,9 @@ static void lpss_ssp_cs_control(struct driver_data *drv_data, bool enable)
value = __lpss_ssp_read_priv(drv_data, config->reg_cs_ctrl);
if (enable)
value &= ~SPI_CS_CONTROL_CS_HIGH;
value &= ~LPSS_CS_CONTROL_CS_HIGH;
else
value |= SPI_CS_CONTROL_CS_HIGH;
value |= LPSS_CS_CONTROL_CS_HIGH;
__lpss_ssp_write_priv(drv_data, config->reg_cs_ctrl, value);
}