Unverified Commit baaadffe authored by Marc Kleine-Budde's avatar Marc Kleine-Budde Committed by Mark Brown
Browse files

spi: spi-imx: spi_imx_buf_rx_swap_u32(): replace open coded swahw32s() 



This patch replaces an open coded swahw32s().

Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
Link: https://lore.kernel.org/r/20220502175457.1977983-6-mkl@pengutronix.de


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent dae336d0

drivers/spi/spi-imx.c

+4 −5
Original line number Diff line number Diff line
@@ -290,17 +290,16 @@ static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi, 
static void spi_imx_buf_rx_swap_u32(struct spi_imx_data *spi_imx)

{

	unsigned int val = readl(spi_imx->base + MXC_CSPIRXDATA);

#ifdef __LITTLE_ENDIAN

	unsigned int bytes_per_word;

#endif



	if (spi_imx->rx_buf) {

#ifdef __LITTLE_ENDIAN

		unsigned int bytes_per_word;



		bytes_per_word = spi_imx_bytes_per_word(spi_imx->bits_per_word);

		if (bytes_per_word == 1)

			swab32s(&val);

		else if (bytes_per_word == 2)

			val = (val << 16) | (val >> 16);

			swahw32s(&val);

#endif

		*(u32 *)spi_imx->rx_buf = val;

		spi_imx->rx_buf += sizeof(u32);
@@ -356,7 +355,7 @@ static void spi_imx_buf_tx_swap_u32(struct spi_imx_data *spi_imx) 
	if (bytes_per_word == 1)

		swab32s(&val);

	else if (bytes_per_word == 2)

		val = (val << 16) | (val >> 16);

		swahw32s(&val);

#endif

	writel(val, spi_imx->base + MXC_CSPITXDATA);

}