--- /dev/null
+++ b/arch/mips/ar231x/early_printk.c
-@@ -0,0 +1,44 @@
+@@ -0,0 +1,46 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+static inline void prom_uart_wr(void __iomem *base, unsigned reg,
+ unsigned char ch)
+{
-+ __raw_writeb(ch, base + 4 * reg);
++ __raw_writel(ch, base + 4 * reg);
+}
+
+static inline unsigned char prom_uart_rr(void __iomem *base, unsigned reg)
+{
-+ return __raw_readb(base + 4 * reg);
++ return __raw_readl(base + 4 * reg);
+}
+
+void prom_putchar(unsigned char ch)
+ base = (void __iomem *)(KSEG1ADDR(AR531X_UART0));
+ }
+
-+ while ((prom_uart_rr(base, UART_LSR) & UART_LSR_THRE) == 0);
++ while ((prom_uart_rr(base, UART_LSR) & UART_LSR_THRE) == 0)
++ ;
+ prom_uart_wr(base, UART_TX, ch);
-+ while ((prom_uart_rr(base, UART_LSR) & UART_LSR_THRE) == 0);
++ while ((prom_uart_rr(base, UART_LSR) & UART_LSR_THRE) == 0)
++ ;
+}
+
--- a/arch/mips/ar231x/Makefile
obj-$(CONFIG_ATHEROS_AR2315) += ar2315.o
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
-@@ -147,6 +147,7 @@ config ATHEROS_AR231X
+@@ -148,6 +148,7 @@ config ATHEROS_AR231X
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_32BIT_KERNEL
select ARCH_REQUIRE_GPIOLIB