Unverified Commit b2655196 authored by Vladimir Oltean's avatar Vladimir Oltean Committed by Mark Brown
Browse files

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: default avatarVladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20190818180115.31114-4-olteanv@gmail.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 5782a17f

drivers/spi/spi-fsl-dspi.c

+29 −29
Original line number Diff line number Diff line
@@ -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)

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