diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/mpc8xxx_spi.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/spi/mpc8xxx_spi.c b/drivers/spi/mpc8xxx_spi.c index 1dd5bd97990..1e7c0144c26 100644 --- a/drivers/spi/mpc8xxx_spi.c +++ b/drivers/spi/mpc8xxx_spi.c @@ -116,9 +116,6 @@ int spi_xfer(struct spi_slave *slave, uint bitlen, const void *dout, void *din, u32 tmpdout = 0; uchar xfer_bitlen = (bitlen >= 32 ? 32 : bitlen); - /* Shift data so it's msb-justified */ - tmpdout = *(u32 *)dout >> (32 - xfer_bitlen); - clrbits_be32(&spi->mode, SPI_MODE_EN); /* Set up length for this transfer */ @@ -130,14 +127,17 @@ int spi_xfer(struct spi_slave *slave, uint bitlen, const void *dout, void *din, else /* more than 16 bits -> full 32 bit transfer */ set_char_len(spi, 0); + setbits_be32(&spi->mode, SPI_MODE_EN); + + /* Shift data so it's msb-justified */ + tmpdout = *(u32 *)dout >> (32 - xfer_bitlen); + if (bitlen > 16) { /* Set up the next iteration if sending > 32 bits */ bitlen -= 32; dout += 4; } - setbits_be32(&spi->mode, SPI_MODE_EN); - /* Write the data out */ out_be32(&spi->tx, tmpdout); |