spi: at91-usart: Remove duplicated checking for spi->bits_per_word

This checking is already done in __spi_validate_bits_per_word().

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-at91-usart.c b/drivers/spi/spi-at91-usart.c
index a694d702e5744e25244fba5985f3c86af9708356..f763e14bdf12421c008a9f59cac5bff5afb45076 100644 (file)
--- a/drivers/spi/spi-at91-usart.c
+++ b/drivers/spi/spi-at91-usart.c
@@ -178,12 +178,6 @@ static int at91_usart_spi_setup(struct spi_device *spi)
        struct at91_usart_spi *aus = spi_master_get_devdata(spi->controller);
        u32 *ausd = spi->controller_state;
        unsigned int mr = at91_usart_spi_readl(aus, MR);
-       u8 bits = spi->bits_per_word;
-
-       if (bits != 8) {
-               dev_dbg(&spi->dev, "Only 8 bits per word are supported\n");
-               return -EINVAL;
-       }
 
        if (spi->mode & SPI_CPOL)
                mr |= US_MR_CPOL;
@@ -212,7 +206,7 @@ static int at91_usart_spi_setup(struct spi_device *spi)
 
        dev_dbg(&spi->dev,
                "setup: bpw %u mode 0x%x -> mr %d %08x\n",
-               bits, spi->mode, spi->chip_select, mr);
+               spi->bits_per_word, spi->mode, spi->chip_select, mr);
 
        return 0;
 }