real_readb         12 arch/powerpc/kernel/udbg_16550.c extern u8 real_readb(volatile u8 __iomem  *addr);
real_readb        214 arch/powerpc/kernel/udbg_16550.c 	return real_readb(UDBG_UART_MAPLE_ADDR + reg);
real_readb        281 arch/powerpc/kernel/udbg_16550.c 	return real_readb((void __iomem *)CONFIG_PPC_EARLY_DEBUG_40x_PHYSADDR
real_readb         14 arch/powerpc/platforms/powermac/udbg_scc.c extern u8 real_readb(volatile u8 __iomem  *addr);
real_readb        164 arch/powerpc/platforms/powermac/udbg_scc.c 	while ((real_readb(sccc) & SCC_TXRDY) == 0)