[PATCH] spi: at91-usart: Remove duplicated checking for spi->bits_per_word

From: Axel Lin
Date: Tue Oct 02 2018 - 06:10:23 EST


This checking is already done in __spi_validate_bits_per_word().

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
---
drivers/spi/spi-at91-usart.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/spi/spi-at91-usart.c b/drivers/spi/spi-at91-usart.c
index a924657642fa..519853f14934 100644
--- a/drivers/spi/spi-at91-usart.c
+++ b/drivers/spi/spi-at91-usart.c
@@ -176,12 +176,6 @@ 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;
@@ -210,7 +204,7 @@ 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;
}
--
2.17.1