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

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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>
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Axel Lin 2019-03-21 23:53:48 +08:00 committed by Mark Brown
parent 55e3dacaf5
commit 72dca1f674
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GPG Key ID: 24D68B725D5487D0
1 changed files with 1 additions and 7 deletions
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drivers/spi/spi-at91-usart.c
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@ -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;
}