DMACH_UART3 42 arch/arm/mach-s3c24xx/include/mach/dma.h DMACH_UART3, /* s3c2443 has extra uart */ DMACH_UART3 24 arch/arm/mach-s3c64xx/include/mach/dma.h #define DMACH_UART3 "uart3_tx"