From: Marc Kleine-Budde Date: Mon, 2 May 2022 17:54:52 +0000 (+0200) Subject: spi: spi-imx: spi_imx_buf_rx_swap_u32(): fix sparse warning: use swab32s() instead... X-Git-Tag: howlett/maple/20220722_2~492^2~13 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=dae336d0dca669143e0fdf6b82c333bf6a8d9e0a;p=users%2Fjedix%2Flinux-maple.git spi: spi-imx: spi_imx_buf_rx_swap_u32(): fix sparse warning: use swab32s() instead of cpu_to_be32() This patch fixes the following sparse warning by using a swab32s() instead of a cpu_to_be32(). The driver is used on little endian systems only and we really want to swap the bytes. | drivers/spi/spi-imx.c:305:29: warning: incorrect type in assignment (different base types) | drivers/spi/spi-imx.c:305:29: expected unsigned int val | drivers/spi/spi-imx.c:305:29: got restricted __be32 [usertype] | drivers/spi/spi-imx.c:361:21: warning: incorrect type in assignment (different base types) | drivers/spi/spi-imx.c:361:21: expected unsigned int [assigned] [usertype] val | drivers/spi/spi-imx.c:361:21: got restricted __be32 [usertype] Signed-off-by: Marc Kleine-Budde Link: https://lore.kernel.org/r/20220502175457.1977983-5-mkl@pengutronix.de Signed-off-by: Mark Brown --- diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 895c7514325b8..86391f8694446 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -298,7 +298,7 @@ static void spi_imx_buf_rx_swap_u32(struct spi_imx_data *spi_imx) #ifdef __LITTLE_ENDIAN bytes_per_word = spi_imx_bytes_per_word(spi_imx->bits_per_word); if (bytes_per_word == 1) - val = cpu_to_be32(val); + swab32s(&val); else if (bytes_per_word == 2) val = (val << 16) | (val >> 16); #endif @@ -354,7 +354,7 @@ static void spi_imx_buf_tx_swap_u32(struct spi_imx_data *spi_imx) bytes_per_word = spi_imx_bytes_per_word(spi_imx->bits_per_word); if (bytes_per_word == 1) - val = cpu_to_be32(val); + swab32s(&val); else if (bytes_per_word == 2) val = (val << 16) | (val >> 16); #endif