diff options
| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2010-11-23 02:12:15 +0100 |
|---|---|---|
| committer | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2010-12-01 12:18:32 +0100 |
| commit | 4a25605fb71f02b4f80091df91f777225a0309c5 (patch) | |
| tree | 4ba532f527c3e67fa0e511030031ede6d3321145 | |
| parent | spi/pxa2xx: add support for shared IRQ handler (diff) | |
| download | linux-4a25605fb71f02b4f80091df91f777225a0309c5.tar.xz linux-4a25605fb71f02b4f80091df91f777225a0309c5.zip | |
spi/pxa2xx: Use define for SSSR_TFL_MASK instead of plain numbers
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
| -rw-r--r-- | arch/arm/plat-pxa/include/plat/ssp.h | 3 | ||||
| -rw-r--r-- | drivers/spi/pxa2xx_spi.c | 8 |
2 files changed, 6 insertions, 5 deletions
diff --git a/arch/arm/plat-pxa/include/plat/ssp.h b/arch/arm/plat-pxa/include/plat/ssp.h index fe43150690ed..21c12ca80738 100644 --- a/arch/arm/plat-pxa/include/plat/ssp.h +++ b/arch/arm/plat-pxa/include/plat/ssp.h @@ -82,7 +82,8 @@ #define SSSR_TFS (1 << 5) /* Transmit FIFO Service Request */ #define SSSR_RFS (1 << 6) /* Receive FIFO Service Request */ #define SSSR_ROR (1 << 7) /* Receive FIFO Overrun */ - +#define SSSR_TFL_MASK (0xf << 8) /* Transmit FIFO Level mask */ +#define SSSR_RFL_MASK (0xf << 12) /* Receive FIFO Level mask */ /* extra bits in PXA255, PXA26x and PXA27x SSP ports */ #define SSCR0_TISSP (1 << 4) /* TI Sync Serial Protocol */ diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c index 1865c23f2175..55083445aae6 100644 --- a/drivers/spi/pxa2xx_spi.c +++ b/drivers/spi/pxa2xx_spi.c @@ -224,7 +224,7 @@ static int null_writer(struct driver_data *drv_data) void __iomem *reg = drv_data->ioaddr; u8 n_bytes = drv_data->n_bytes; - if (((read_SSSR(reg) & 0x00000f00) == 0x00000f00) + if (((read_SSSR(reg) & SSSR_TFL_MASK) == SSSR_TFL_MASK) || (drv_data->tx == drv_data->tx_end)) return 0; @@ -252,7 +252,7 @@ static int u8_writer(struct driver_data *drv_data) { void __iomem *reg = drv_data->ioaddr; - if (((read_SSSR(reg) & 0x00000f00) == 0x00000f00) + if (((read_SSSR(reg) & SSSR_TFL_MASK) == SSSR_TFL_MASK) || (drv_data->tx == drv_data->tx_end)) return 0; @@ -279,7 +279,7 @@ static int u16_writer(struct driver_data *drv_data) { void __iomem *reg = drv_data->ioaddr; - if (((read_SSSR(reg) & 0x00000f00) == 0x00000f00) + if (((read_SSSR(reg) & SSSR_TFL_MASK) == SSSR_TFL_MASK) || (drv_data->tx == drv_data->tx_end)) return 0; @@ -306,7 +306,7 @@ static int u32_writer(struct driver_data *drv_data) { void __iomem *reg = drv_data->ioaddr; - if (((read_SSSR(reg) & 0x00000f00) == 0x00000f00) + if (((read_SSSR(reg) & SSSR_TFL_MASK) == SSSR_TFL_MASK) || (drv_data->tx == drv_data->tx_end)) return 0; |