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authorAxel Lin <axel.lin@ingics.com>2019-03-21 23:53:48 +0800
committerMark Brown <broonie@kernel.org>2019-03-25 12:13:20 +0000
commit72dca1f6744b073eaead4ec9acc128efeed153f2 (patch)
tree4d7587b4461ed029980e54c37f54894eb69ed594
parent55e3dacaf538745b7d57dce43b9950687ff878ab (diff)
downloadlinux-72dca1f6744b073eaead4ec9acc128efeed153f2.tar.bz2
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>
-rw-r--r--drivers/spi/spi-at91-usart.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/spi/spi-at91-usart.c b/drivers/spi/spi-at91-usart.c
index a694d702e574..f763e14bdf12 100644
--- 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;
}