spi: at91-usart: Remove duplicated checking for spi->bits_per_word (72dca1f6) · Commits · 戴 / test

This checking is already done in __spi_validate_bits_per_word(). Signed-off-by:

drivers/spi/spi-at91-usart.c

+1 −7

Original line number	Diff line number	Diff line
		@@ -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;
		}