UART_THR 9 arch/arm/mach-dove/include/mach/uncompress.h #define UART_THR ((volatile unsigned char *)(UART0_PHYS_BASE + 0x0)) UART_THR 25 arch/powerpc/kernel/udbg_16550.c #define UART_THR UART_RBR UART_THR 58 arch/sh/include/asm/smc37c93x.h #define UART_THR 0x0 /* Transmitter Holding Register (Write Only) */