MIPS: Loongson early_printk: Fix variable type of uart_base

The uart_base variable here is not a physical address, so, we replace it
by unsigned char *.

Signed-off-by: Wu Zhangjin <[e-mail]>
Cc: Linux-MIPS <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Cc: Zhang Le <[e-mail]>
Cc: [e-mail]
Signed-off-by: Ralf Baechle <[e-mail]>

arch/mips/loongson/common/early_printk.c

···
 /*  early printk support
  *
  *  Copyright (c) 2009 Philippe Vachon <[e-mail]>
- *  Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
+ *  Copyright (c) 2009 Lemote Inc.
  *  Author: Wu Zhangjin, [e-mail]
  *
  *  This program is free software; you can redistribute  it and/or modify it
···
 
 #define PORT(base, offset) (u8 *)(base + offset)
 
-static inline unsigned int serial_in(phys_addr_t base, int offset)
+static inline unsigned int serial_in(unsigned char *base, int offset)
 {
 	return readb(PORT(base, offset));
 }
 
-static inline void serial_out(phys_addr_t base, int offset, int value)
+static inline void serial_out(unsigned char *base, int offset, int value)
 {
 	writeb(value, PORT(base, offset));
 }
 
 void prom_putchar(char c)
 {
-	phys_addr_t uart_base =
-		(phys_addr_t) ioremap_nocache(LOONGSON_UART_BASE, 8);
+	unsigned char *uart_base =
+		(unsigned char *) ioremap_nocache(LOONGSON_UART_BASE, 8);
 
 	while ((serial_in(uart_base, UART_LSR) & UART_LSR_THRE) == 0)
 		;