diff options
Diffstat (limited to 'drivers/spi/spi_imx.c')
| -rw-r--r-- | drivers/spi/spi_imx.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/spi/spi_imx.c b/drivers/spi/spi_imx.c index 0671aeef5792..c195e45f7f35 100644 --- a/drivers/spi/spi_imx.c +++ b/drivers/spi/spi_imx.c @@ -1171,9 +1171,6 @@ msg_rejected: return -EINVAL; } -/* the spi->mode bits understood by this driver: */ -#define MODEBITS (SPI_CPOL | SPI_CPHA | SPI_CS_HIGH) - /* On first setup bad values must free chip_data memory since will cause spi_new_device to fail. Bad value setup from protocol driver are simply not applied and notified to the calling driver. */ @@ -1186,12 +1183,6 @@ static int setup(struct spi_device *spi) u32 tmp; int status = 0; - if (spi->mode & ~MODEBITS) { - dev_dbg(&spi->dev, "setup: unsupported mode bits %x\n", - spi->mode & ~MODEBITS); - return -EINVAL; - } - /* Get controller data */ chip_info = spi->controller_data; @@ -1286,10 +1277,7 @@ static int setup(struct spi_device *spi) /* SPI word width */ tmp = spi->bits_per_word; - if (tmp == 0) { - tmp = 8; - spi->bits_per_word = 8; - } else if (tmp > 16) { + if (tmp > 16) { status = -EINVAL; dev_err(&spi->dev, "setup - " @@ -1481,6 +1469,9 @@ static int __init spi_imx_probe(struct platform_device *pdev) drv_data->master_info = platform_info; drv_data->pdev = pdev; + /* 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 = platform_info->num_chipselect; master->dma_alignment = DMA_ALIGNMENT; |