spi: spi-fsl-dspi: Demistify magic value in SPI_SR_CLEAR (9e6f784e) · Commits · 戴 / test

This patch adds the field definitions for the SPI_SR register. The SPI status register is write-1-to-clear and this value is written at init time. Signed-off-by:

Vladimir Oltean <olteanv@gmail.com> Link: https://lore.kernel.org/r/20190818180115.31114-5-olteanv@gmail.com Signed-off-by:

Mark Brown <broonie@kernel.org>

drivers/spi/spi-fsl-dspi.c

+13 −1

Original line number	Diff line number	Diff line
		@@ -57,7 +57,19 @@
		#define SPI_SR 0x2c
		#define SPI_SR_TCFQF BIT(31)
		#define SPI_SR_EOQF BIT(28)
		#define SPI_SR_CLEAR 0x9aaf0000
		#define SPI_SR_TFUF BIT(27)
		#define SPI_SR_TFFF BIT(25)
		#define SPI_SR_CMDTCF BIT(23)
		#define SPI_SR_SPEF BIT(21)
		#define SPI_SR_RFOF BIT(19)
		#define SPI_SR_TFIWF BIT(18)
		#define SPI_SR_RFDF BIT(17)
		#define SPI_SR_CMDFFF BIT(16)
		#define SPI_SR_CLEAR (SPI_SR_TCFQF \| SPI_SR_EOQF \| \
		SPI_SR_TFUF \| SPI_SR_TFFF \| \
		SPI_SR_CMDTCF \| SPI_SR_SPEF \| \
		SPI_SR_RFOF \| SPI_SR_TFIWF \| \
		SPI_SR_RFDF \| SPI_SR_CMDFFF)

		#define SPI_RSER_TFFFE BIT(25)
		#define SPI_RSER_TFFFD BIT(24)

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