From: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx> Remove NOP when setting read transfer type. Remove useless setting of write transfer type when op->data.dir == SPI_MEM_DATA_IN && !op->data.nbytes. QSPI_IFR_TFRTYP_TRSFR_WRITE is specific just to sama5d2 qspi, rename it to QSPI_IFR_SAMA5D2_WRITE_TRSFR. Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx> --- v3: new patch drivers/spi/atmel-quadspi.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c index d26d4cd0e36b..bfa5f5e92d96 100644 --- a/drivers/spi/atmel-quadspi.c +++ b/drivers/spi/atmel-quadspi.c @@ -113,11 +113,7 @@ #define QSPI_IFR_OPTL_4BIT (2 << 8) #define QSPI_IFR_OPTL_8BIT (3 << 8) #define QSPI_IFR_ADDRL BIT(10) -#define QSPI_IFR_TFRTYP_MASK GENMASK(13, 12) -#define QSPI_IFR_TFRTYP_TRSFR_READ (0 << 12) -#define QSPI_IFR_TFRTYP_TRSFR_READ_MEM (1 << 12) -#define QSPI_IFR_TFRTYP_TRSFR_WRITE (2 << 12) -#define QSPI_IFR_TFRTYP_TRSFR_WRITE_MEM (3 << 13) +#define QSPI_IFR_SAMA5D2_WRITE_TRSFR BIT(13) #define QSPI_IFR_CRM BIT(14) #define QSPI_IFR_NBDUM_MASK GENMASK(20, 16) #define QSPI_IFR_NBDUM(n) (((n) << 16) & QSPI_IFR_NBDUM_MASK) @@ -273,10 +269,8 @@ static int atmel_qspi_exec_op(struct spi_mem *mem, const struct spi_mem_op *op) if (op->data.nbytes) ifr |= QSPI_IFR_DATAEN; - if (op->data.dir == SPI_MEM_DATA_IN && op->data.nbytes) - ifr |= QSPI_IFR_TFRTYP_TRSFR_READ; - else - ifr |= QSPI_IFR_TFRTYP_TRSFR_WRITE; + if (op->data.dir == SPI_MEM_DATA_OUT) + ifr |= QSPI_IFR_SAMA5D2_WRITE_TRSFR; /* Clear pending interrupts */ (void)readl_relaxed(base + QSPI_SR); -- 2.9.5
