diff options
Diffstat (limited to 'drivers/spi/xilinx_spi.c')
| -rw-r--r-- | drivers/spi/xilinx_spi.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/drivers/spi/xilinx_spi.c b/drivers/spi/xilinx_spi.c index 494d3f756e2..46b8c5c2f45 100644 --- a/drivers/spi/xilinx_spi.c +++ b/drivers/spi/xilinx_spi.c @@ -158,9 +158,6 @@ static int xilinx_spi_setup_transfer(struct spi_device *spi, return 0; } -/* the spi->mode bits understood by this driver: */ -#define MODEBITS (SPI_CPOL | SPI_CPHA) - static int xilinx_spi_setup(struct spi_device *spi) { struct spi_bitbang *bitbang; @@ -170,22 +167,10 @@ static int xilinx_spi_setup(struct spi_device *spi) xspi = spi_master_get_devdata(spi->master); bitbang = &xspi->bitbang; - if (!spi->bits_per_word) - spi->bits_per_word = 8; - - if (spi->mode & ~MODEBITS) { - dev_err(&spi->dev, "%s, unsupported mode bits %x\n", - __func__, spi->mode & ~MODEBITS); - return -EINVAL; - } - retval = xilinx_spi_setup_transfer(spi, NULL); if (retval < 0) return retval; - dev_dbg(&spi->dev, "%s, mode %d, %u bits/w, %u nsec/bit\n", - __func__, spi->mode & MODEBITS, spi->bits_per_word, 0); - return 0; } @@ -333,6 +318,9 @@ static int __init xilinx_spi_of_probe(struct of_device *ofdev, goto put_master; } + /* the spi->mode bits understood by this driver: */ + master->mode_bits = SPI_CPOL | SPI_CPHA; + xspi = spi_master_get_devdata(master); xspi->bitbang.master = spi_master_get(master); xspi->bitbang.chipselect = xilinx_spi_chipselect; |