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author | 2019-08-18 21:01:04 +0300 | |
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committer | 2019-08-20 14:04:22 +0100 | |
commit | b2655196cf9ce783d0b6cfec1f47ac4ecf3dcf95 (patch) | |
tree | 83b5f206f57a6a60e60f7fba190e0f6e7a240108 /drivers/spi/spi-fsl-dspi.c | |
parent | spi: spi-fsl-dspi: Remove unused defines and includes (diff) | |
download | linux-b2655196cf9ce783d0b6cfec1f47ac4ecf3dcf95.tar.gz linux-b2655196cf9ce783d0b6cfec1f47ac4ecf3dcf95.tar.bz2 linux-b2655196cf9ce783d0b6cfec1f47ac4ecf3dcf95.zip |
spi: spi-fsl-dspi: Use BIT() and GENMASK() macros
Switch to using more idiomatic register field definitions, which makes
it easier to look them up in the datasheet. Cosmetic patch.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20190818180115.31114-4-olteanv@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-fsl-dspi.c')
-rw-r--r-- | drivers/spi/spi-fsl-dspi.c | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 358b381839fb..179a9818619f 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -28,35 +28,35 @@ #define DSPI_DMA_BUFSIZE (DSPI_FIFO_SIZE * 1024) #define SPI_MCR 0x00 -#define SPI_MCR_MASTER (1 << 31) +#define SPI_MCR_MASTER BIT(31) #define SPI_MCR_PCSIS (0x3F << 16) -#define SPI_MCR_CLR_TXF (1 << 11) -#define SPI_MCR_CLR_RXF (1 << 10) -#define SPI_MCR_XSPI (1 << 3) +#define SPI_MCR_CLR_TXF BIT(11) +#define SPI_MCR_CLR_RXF BIT(10) +#define SPI_MCR_XSPI BIT(3) #define SPI_TCR 0x08 -#define SPI_TCR_GET_TCNT(x) (((x) & 0xffff0000) >> 16) - -#define SPI_CTAR(x) (0x0c + (((x) & 0x3) * 4)) -#define SPI_CTAR_FMSZ(x) (((x) & 0x0000000f) << 27) -#define SPI_CTAR_CPOL(x) ((x) << 26) -#define SPI_CTAR_CPHA(x) ((x) << 25) -#define SPI_CTAR_LSBFE(x) ((x) << 24) -#define SPI_CTAR_PCSSCK(x) (((x) & 0x00000003) << 22) -#define SPI_CTAR_PASC(x) (((x) & 0x00000003) << 20) -#define SPI_CTAR_PDT(x) (((x) & 0x00000003) << 18) -#define SPI_CTAR_PBR(x) (((x) & 0x00000003) << 16) -#define SPI_CTAR_CSSCK(x) (((x) & 0x0000000f) << 12) -#define SPI_CTAR_ASC(x) (((x) & 0x0000000f) << 8) -#define SPI_CTAR_DT(x) (((x) & 0x0000000f) << 4) -#define SPI_CTAR_BR(x) ((x) & 0x0000000f) +#define SPI_TCR_GET_TCNT(x) (((x) & GENMASK(31, 16)) >> 16) + +#define SPI_CTAR(x) (0x0c + (((x) & GENMASK(1, 0)) * 4)) +#define SPI_CTAR_FMSZ(x) (((x) << 27) & GENMASK(30, 27)) +#define SPI_CTAR_CPOL(x) (((x) << 26) & GENMASK(26, 26)) +#define SPI_CTAR_CPHA(x) (((x) << 25) & GENMASK(25, 25)) +#define SPI_CTAR_LSBFE(x) (((x) << 24) & GENMASK(24, 24)) +#define SPI_CTAR_PCSSCK(x) (((x) << 22) & GENMASK(23, 22)) +#define SPI_CTAR_PASC(x) (((x) << 20) & GENMASK(21, 20)) +#define SPI_CTAR_PDT(x) (((x) << 18) & GENMASK(19, 18)) +#define SPI_CTAR_PBR(x) (((x) << 16) & GENMASK(17, 16)) +#define SPI_CTAR_CSSCK(x) (((x) << 12) & GENMASK(15, 12)) +#define SPI_CTAR_ASC(x) (((x) << 8) & GENMASK(11, 8)) +#define SPI_CTAR_DT(x) (((x) << 4) & GENMASK(7, 4)) +#define SPI_CTAR_BR(x) ((x) & GENMASK(3, 0)) #define SPI_CTAR_SCALE_BITS 0xf #define SPI_CTAR0_SLAVE 0x0c #define SPI_SR 0x2c -#define SPI_SR_EOQF 0x10000000 -#define SPI_SR_TCFQF 0x80000000 +#define SPI_SR_TCFQF BIT(31) +#define SPI_SR_EOQF BIT(28) #define SPI_SR_CLEAR 0x9aaf0000 #define SPI_RSER_TFFFE BIT(25) @@ -65,15 +65,15 @@ #define SPI_RSER_RFDFD BIT(16) #define SPI_RSER 0x30 -#define SPI_RSER_EOQFE 0x10000000 -#define SPI_RSER_TCFQE 0x80000000 +#define SPI_RSER_TCFQE BIT(31) +#define SPI_RSER_EOQFE BIT(28) #define SPI_PUSHR 0x34 -#define SPI_PUSHR_CMD_CONT (1 << 15) -#define SPI_PUSHR_CMD_CTAS(x) (((x) & 0x0003) << 12) -#define SPI_PUSHR_CMD_EOQ (1 << 11) -#define SPI_PUSHR_CMD_CTCNT (1 << 10) -#define SPI_PUSHR_CMD_PCS(x) ((1 << x) & 0x003f) +#define SPI_PUSHR_CMD_CONT BIT(15) +#define SPI_PUSHR_CMD_CTAS(x) (((x) << 12 & GENMASK(14, 12))) +#define SPI_PUSHR_CMD_EOQ BIT(11) +#define SPI_PUSHR_CMD_CTCNT BIT(10) +#define SPI_PUSHR_CMD_PCS(x) (BIT(x) & GENMASK(5, 0)) #define SPI_PUSHR_SLAVE 0x34 @@ -88,7 +88,7 @@ #define SPI_RXFR2 0x84 #define SPI_RXFR3 0x88 -#define SPI_CTARE(x) (0x11c + (((x) & 0x3) * 4)) +#define SPI_CTARE(x) (0x11c + (((x) & GENMASK(1, 0)) * 4)) #define SPI_CTARE_FMSZE(x) (((x) & 0x1) << 16) #define SPI_CTARE_DTCP(x) ((x) & 0x7ff) |