diff options
| -rw-r--r-- | drivers/spi/spi-fsl-lpspi.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index 989d0ffddc25..fdd14caf6659 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -75,6 +75,8 @@ #define CFGR1_PCSPOL_MASK GENMASK(11, 8) #define CFGR1_NOSTALL BIT(3) #define CFGR1_HOST BIT(0) +#define FCR_RXWATER GENMASK(18, 16) +#define FCR_TXWATER GENMASK(2, 0) #define FSR_TXCOUNT (0xFF) #define RSR_RXEMPTY BIT(1) #define TCR_CPOL BIT(31) @@ -319,17 +321,18 @@ static void fsl_lpspi_set_cmd(struct fsl_lpspi_data *fsl_lpspi, static void fsl_lpspi_set_watermark(struct fsl_lpspi_data *fsl_lpspi) { + u8 watermark = fsl_lpspi->watermark >> 1; u32 temp; if (!fsl_lpspi->usedma) - temp = fsl_lpspi->watermark >> 1 | - (fsl_lpspi->watermark >> 1) << 16; + temp = FIELD_PREP(FCR_TXWATER, watermark) | + FIELD_PREP(FCR_RXWATER, watermark); else - temp = fsl_lpspi->watermark >> 1; + temp = FIELD_PREP(FCR_TXWATER, watermark); writel(temp, fsl_lpspi->base + IMX7ULP_FCR); - dev_dbg(fsl_lpspi->dev, "FCR=0x%x\n", temp); + dev_dbg(fsl_lpspi->dev, "FCR=0x%08x\n", temp); } static int fsl_lpspi_set_bitrate(struct fsl_lpspi_data *fsl_lpspi) |