[PATCH v2 2/2] spi: spi-imx: Fix casting warnings

Hardevsinh Palaniya hardevsinh.palaniya at siliconsignals.io
Mon Oct 7 22:55:46 PDT 2024


Sparse warnings:

drivers/spi/spi-imx.c:410:19: warning: cast to restricted __be32
drivers/spi/spi-imx.c:410:19: warning: cast to restricted __be32
drivers/spi/spi-imx.c:410:19: warning: cast to restricted __be32
drivers/spi/spi-imx.c:410:19: warning: cast to restricted __be32
drivers/spi/spi-imx.c:410:19: warning: cast to restricted __be32
drivers/spi/spi-imx.c:410:19: warning: cast to restricted __be32
drivers/spi/spi-imx.c:439:21: warning: incorrect type in assignment (different base types)
drivers/spi/spi-imx.c:439:21:    expected unsigned int [addressable] [usertype] val
drivers/spi/spi-imx.c:439:21:    got restricted __be32 [usertype]

Signed-off-by: Hardevsinh Palaniya <hardevsinh.palaniya at siliconsignals.io>
---
 drivers/spi/spi-imx.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 4c31d36f3130..fefee771b042 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -407,7 +407,7 @@ static void spi_imx_buf_tx_swap(struct spi_imx_data *spi_imx)
 
 static void mx53_ecspi_rx_target(struct spi_imx_data *spi_imx)
 {
-	u32 val = be32_to_cpu(readl(spi_imx->base + MXC_CSPIRXDATA));
+	u32 val = ioread32be(spi_imx->base + MXC_CSPIRXDATA);
 
 	if (spi_imx->rx_buf) {
 		int n_bytes = spi_imx->target_burst % sizeof(val);
@@ -436,13 +436,12 @@ static void mx53_ecspi_tx_target(struct spi_imx_data *spi_imx)
 	if (spi_imx->tx_buf) {
 		memcpy(((u8 *)&val) + sizeof(val) - n_bytes,
 		       spi_imx->tx_buf, n_bytes);
-		val = cpu_to_be32(val);
 		spi_imx->tx_buf += n_bytes;
 	}
 
 	spi_imx->count -= n_bytes;
 
-	writel(val, spi_imx->base + MXC_CSPITXDATA);
+	iowrite32be(val, spi_imx->base + MXC_CSPITXDATA);
 }
 
 /* MX51 eCSPI */
-- 
2.43.0




More information about the linux-arm-kernel mailing list