From mboxrd@z Thu Jan 1 00:00:00 1970 From: tomasz.figa@gmail.com (Tomasz Figa) Date: Thu, 28 Jul 2011 20:27:51 +0200 Subject: [PATCH 2/5] ARM: s3c64xx: DMA: Use S3C64XX_SDMA_SEL register name instead of numeric address. Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch adds a definition of S3C64XX_SDMA_SEL register and modifies the s3c64xx DMA driver to use it instead of a magic register address. --- arch/arm/mach-s3c64xx/dma.c | 2 +- arch/arm/mach-s3c64xx/include/mach/regs-sys.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c index 204bfaf..0849f2d 100644 --- a/arch/arm/mach-s3c64xx/dma.c +++ b/arch/arm/mach-s3c64xx/dma.c @@ -740,7 +740,7 @@ static int __init s3c64xx_dma_init(void) } /* Set all DMA configuration to be DMA, not SDMA */ - writel(0xffffff, S3C_SYSREG(0x110)); + writel(0xffffff, S3C64XX_SDMA_SEL); /* Register standard DMA controllers */ s3c64xx_dma_init1(0, DMACH_UART0, IRQ_DMA0, 0x75000000); diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-sys.h b/arch/arm/mach-s3c64xx/include/mach/regs-sys.h index 69b78d9..774e0de 100644 --- a/arch/arm/mach-s3c64xx/include/mach/regs-sys.h +++ b/arch/arm/mach-s3c64xx/include/mach/regs-sys.h @@ -21,6 +21,8 @@ #define S3C64XX_AHB_CON1 S3C_SYSREG(0x104) #define S3C64XX_AHB_CON2 S3C_SYSREG(0x108) +#define S3C64XX_SDMA_SEL S3C_SYSREG(0x110) + #define S3C64XX_OTHERS S3C_SYSREG(0x900) #define S3C64XX_OTHERS_USBMASK (1 << 16) -- 1.7.6