diff options
Diffstat (limited to 'drivers/spi/atmel_spi.c')
| -rw-r--r-- | drivers/spi/atmel_spi.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c index 12e443c..f5b3fdb 100644 --- a/drivers/spi/atmel_spi.c +++ b/drivers/spi/atmel_spi.c @@ -530,9 +530,6 @@ atmel_spi_interrupt(int irq, void *dev_id) return ret; } -/* the spi->mode bits understood by this driver: */ -#define MODEBITS (SPI_CPOL | SPI_CPHA | SPI_CS_HIGH) - static int atmel_spi_setup(struct spi_device *spi) { struct atmel_spi *as; @@ -555,8 +552,6 @@ static int atmel_spi_setup(struct spi_device *spi) return -EINVAL; } - if (bits == 0) - bits = 8; if (bits < 8 || bits > 16) { dev_dbg(&spi->dev, "setup: invalid bits_per_word %u (8 to 16)\n", @@ -564,12 +559,6 @@ static int atmel_spi_setup(struct spi_device *spi) return -EINVAL; } - if (spi->mode & ~MODEBITS) { - dev_dbg(&spi->dev, "setup: unsupported mode bits %x\n", - spi->mode & ~MODEBITS); - return -EINVAL; - } - /* see notes above re chipselect */ if (!atmel_spi_is_v2() && spi->chip_select == 0 @@ -775,6 +764,9 @@ static int __init atmel_spi_probe(struct platform_device *pdev) if (!master) goto out_free; + /* the spi->mode bits understood by this driver: */ + master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH; + master->bus_num = pdev->id; master->num_chipselect = 4; master->setup = atmel_spi_setup; |
