spi/s3c64xx: Convert to bits_per_word_mask

The core can do the validation for us.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 7f5f8ee..27ff669 100644 (file)
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -911,15 +911,6 @@ static int s3c64xx_spi_setup(struct spi_device *spi)
 
        spin_unlock_irqrestore(&sdd->lock, flags);
 
-       if (spi->bits_per_word != 8
-                       && spi->bits_per_word != 16
-                       && spi->bits_per_word != 32) {
-               dev_err(&spi->dev, "setup: %dbits/wrd not supported!\n",
-                                                       spi->bits_per_word);
-               err = -EINVAL;
-               goto setup_exit;
-       }
-
        pm_runtime_get_sync(&sdd->pdev->dev);
 
        /* Check if we can provide the requested rate */
@@ -1237,6 +1228,7 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
        master->unprepare_transfer_hardware = s3c64xx_spi_unprepare_transfer;
        master->num_chipselect = sci->num_cs;
        master->dma_alignment = 8;
+       master->bits_per_word_mask = BIT(32 - 1) | BIT(16 - 1) | BIT(8 - 1);
        /* the spi->mode bits understood by this driver: */
        master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;