diff options
Diffstat (limited to 'drivers/spi/spi-coldfire-qspi.c')
| -rw-r--r-- | drivers/spi/spi-coldfire-qspi.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/spi/spi-coldfire-qspi.c b/drivers/spi/spi-coldfire-qspi.c index 3f1766003e68..0631b9d4a5de 100644 --- a/drivers/spi/spi-coldfire-qspi.c +++ b/drivers/spi/spi-coldfire-qspi.c @@ -312,10 +312,7 @@ static int mcfqspi_transfer_one_message(struct spi_master *master, bool cs_high = spi->mode & SPI_CS_HIGH; u16 qmr = MCFQSPI_QMR_MSTR; - if (t->bits_per_word) - qmr |= t->bits_per_word << 10; - else - qmr |= spi->bits_per_word << 10; + qmr |= t->bits_per_word << 10; if (spi->mode & SPI_CPHA) qmr |= MCFQSPI_QMR_CPHA; if (spi->mode & SPI_CPOL) @@ -377,11 +374,6 @@ static int mcfqspi_unprepare_transfer_hw(struct spi_master *master) static int mcfqspi_setup(struct spi_device *spi) { - if ((spi->bits_per_word < 8) || (spi->bits_per_word > 16)) { - dev_dbg(&spi->dev, "%d bits per word is not supported\n", - spi->bits_per_word); - return -EINVAL; - } if (spi->chip_select >= spi->master->num_chipselect) { dev_dbg(&spi->dev, "%d chip select is out of range\n", spi->chip_select); @@ -408,6 +400,12 @@ static int mcfqspi_probe(struct platform_device *pdev) struct mcfqspi_platform_data *pdata; int status; + pdata = pdev->dev.platform_data; + if (!pdata) { + dev_dbg(&pdev->dev, "platform data is missing\n"); + return -ENOENT; + } + master = spi_alloc_master(&pdev->dev, sizeof(*mcfqspi)); if (master == NULL) { dev_dbg(&pdev->dev, "spi_alloc_master failed\n"); @@ -458,11 +456,6 @@ static int mcfqspi_probe(struct platform_device *pdev) } clk_enable(mcfqspi->clk); - pdata = pdev->dev.platform_data; - if (!pdata) { - dev_dbg(&pdev->dev, "platform data is missing\n"); - goto fail4; - } master->bus_num = pdata->bus_num; master->num_chipselect = pdata->num_chipselect; @@ -477,6 +470,7 @@ static int mcfqspi_probe(struct platform_device *pdev) mcfqspi->dev = &pdev->dev; master->mode_bits = SPI_CS_HIGH | SPI_CPOL | SPI_CPHA; + master->bits_per_word_mask = SPI_BPW_RANGE_MASK(8, 16); master->setup = mcfqspi_setup; master->transfer_one_message = mcfqspi_transfer_one_message; master->prepare_transfer_hardware = mcfqspi_prepare_transfer_hw; |