linux-kernel - [PATCH v2 1/2] spi: spi-fsl-dspi: Fix casting warnings

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Message-ID: <20241008055644.4900-2-hardevsinh.palaniya@siliconsignals.io>
Date: Tue,  8 Oct 2024 11:25:45 +0530
From: Hardevsinh Palaniya <hardevsinh.palaniya@...iconsignals.io>
To: olteanv@...il.com,
	broonie@...nel.org,
	frank.li@....com,
	shawnguo@...nel.org
Cc: Hardevsinh Palaniya <hardevsinh.palaniya@...iconsignals.io>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	linux-spi@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2 1/2] spi: spi-fsl-dspi: Fix casting warnings

Sparse warnings:

drivers/spi/spi-fsl-dspi.c:283:17: warning: incorrect type in assignment (different base types)
drivers/spi/spi-fsl-dspi.c:283:17:    expected unsigned int [usertype]
drivers/spi/spi-fsl-dspi.c:283:17:    got restricted __be32 [usertype]
drivers/spi/spi-fsl-dspi.c:289:28: warning: cast to restricted __be32
drivers/spi/spi-fsl-dspi.c:289:28: warning: cast to restricted __be32
drivers/spi/spi-fsl-dspi.c:289:28: warning: cast to restricted __be32
drivers/spi/spi-fsl-dspi.c:289:28: warning: cast to restricted __be32
drivers/spi/spi-fsl-dspi.c:289:28: warning: cast to restricted __be32
drivers/spi/spi-fsl-dspi.c:289:28: warning: cast to restricted __be32
drivers/spi/spi-fsl-dspi.c:295:17: warning: incorrect type in assignment (different base types)
drivers/spi/spi-fsl-dspi.c:295:17:    expected unsigned int [usertype]
drivers/spi/spi-fsl-dspi.c:295:17:    got restricted __be16 [usertype]
drivers/spi/spi-fsl-dspi.c:301:28: warning: cast to restricted __be16
drivers/spi/spi-fsl-dspi.c:301:28: warning: cast to restricted __be16
drivers/spi/spi-fsl-dspi.c:301:28: warning: cast to restricted __be16
drivers/spi/spi-fsl-dspi.c:301:28: warning: cast to restricted __be16

Signed-off-by: Hardevsinh Palaniya <hardevsinh.palaniya@...iconsignals.io>
---
 drivers/spi/spi-fsl-dspi.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 191de1917f83..e34588679514 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -280,25 +280,25 @@ static void dspi_native_dev_to_host(struct fsl_dspi *dspi, u32 rxdata)
 
 static void dspi_8on32_host_to_dev(struct fsl_dspi *dspi, u32 *txdata)
 {
-	*txdata = cpu_to_be32(*(u32 *)dspi->tx);
+	*txdata = (__force u32)cpu_to_be32(*(u32 *)dspi->tx);
 	dspi->tx += sizeof(u32);
 }
 
 static void dspi_8on32_dev_to_host(struct fsl_dspi *dspi, u32 rxdata)
 {
-	*(u32 *)dspi->rx = be32_to_cpu(rxdata);
+	*(u32 *)dspi->rx = be32_to_cpu((__force __be32)rxdata);
 	dspi->rx += sizeof(u32);
 }
 
 static void dspi_8on16_host_to_dev(struct fsl_dspi *dspi, u32 *txdata)
 {
-	*txdata = cpu_to_be16(*(u16 *)dspi->tx);
+	*txdata = (__force u32)cpu_to_be16(*(u16 *)dspi->tx);
 	dspi->tx += sizeof(u16);
 }
 
 static void dspi_8on16_dev_to_host(struct fsl_dspi *dspi, u32 rxdata)
 {
-	*(u16 *)dspi->rx = be16_to_cpu(rxdata);
+	*(u16 *)dspi->rx = be16_to_cpu((__force __be16)rxdata);
 	dspi->rx += sizeof(u16);
 }
 
-- 
2.43.0