diff options
| author | Vladimir Oltean <olteanv@gmail.com> | 2019-08-18 21:01:05 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-08-20 16:04:40 +0300 |
| commit | 9e6f784e66cb865de25a1f5fd1706a45d9e298a7 (patch) | |
| tree | fbd551a0fc1a65b5e3bd34ec13255fae17b743b4 /drivers/spi/spi-fsl-dspi.c | |
| parent | b2655196cf9ce783d0b6cfec1f47ac4ecf3dcf95 (diff) | |
| download | linux-9e6f784e66cb865de25a1f5fd1706a45d9e298a7.tar.xz | |
spi: spi-fsl-dspi: Demistify magic value in SPI_SR_CLEAR
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>
Diffstat (limited to 'drivers/spi/spi-fsl-dspi.c')
| -rw-r--r-- | drivers/spi/spi-fsl-dspi.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 179a9818619f..923ee414d1ae 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -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) |