]> www.infradead.org Git - users/jedix/linux-maple.git/commitdiff
spi: spi_amd: Replace ioread/iowrite calls
authorRaju Rangoju <Raju.Rangoju@amd.com>
Wed, 25 Sep 2024 13:36:39 +0000 (19:06 +0530)
committerMark Brown <broonie@kernel.org>
Sun, 29 Sep 2024 23:11:52 +0000 (01:11 +0200)
All `ioread*` and `iowrite*` functions are better suited for architecture
independent code to ensure portability across different architectures.
Since AMD SoCs support only the x86 architecture, replacing all `ioread*`
and `iowrite*` calls with `read*` and `write*` calls can reduce the
overhead of ensuring portability and increase the speed of I/O operations.

Co-developed-by: Krishnamoorthi M <krishnamoorthi.m@amd.com>
Signed-off-by: Krishnamoorthi M <krishnamoorthi.m@amd.com>
Co-developed-by: Akshata MukundShetty <akshata.mukundshetty@amd.com>
Signed-off-by: Akshata MukundShetty <akshata.mukundshetty@amd.com>
Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com>
Link: https://patch.msgid.link/20240925133644.2922359-4-Raju.Rangoju@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-amd.c

index 17a8401216e47c39d34fde1f08652f85ba9c523b..1d1a18ee0bb54af7002cea1a412d111672dcb2c6 100644 (file)
@@ -114,12 +114,12 @@ struct amd_spi {
 
 static inline u8 amd_spi_readreg8(struct amd_spi *amd_spi, int idx)
 {
-       return ioread8((u8 __iomem *)amd_spi->io_remap_addr + idx);
+       return readb((u8 __iomem *)amd_spi->io_remap_addr + idx);
 }
 
 static inline void amd_spi_writereg8(struct amd_spi *amd_spi, int idx, u8 val)
 {
-       iowrite8(val, ((u8 __iomem *)amd_spi->io_remap_addr + idx));
+       writeb(val, ((u8 __iomem *)amd_spi->io_remap_addr + idx));
 }
 
 static void amd_spi_setclear_reg8(struct amd_spi *amd_spi, int idx, u8 set, u8 clear)
@@ -132,12 +132,12 @@ static void amd_spi_setclear_reg8(struct amd_spi *amd_spi, int idx, u8 set, u8 c
 
 static inline u32 amd_spi_readreg32(struct amd_spi *amd_spi, int idx)
 {
-       return ioread32((u8 __iomem *)amd_spi->io_remap_addr + idx);
+       return readl((u8 __iomem *)amd_spi->io_remap_addr + idx);
 }
 
 static inline void amd_spi_writereg32(struct amd_spi *amd_spi, int idx, u32 val)
 {
-       iowrite32(val, ((u8 __iomem *)amd_spi->io_remap_addr + idx));
+       writel(val, ((u8 __iomem *)amd_spi->io_remap_addr + idx));
 }
 
 static inline void amd_spi_setclear_reg32(struct amd_spi *amd_spi, int idx, u32 set, u32 clear)