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MIPS: Loongson early_printk: Fix variable type of uart_base

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

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Cc: yanh@lemote.com
Cc: huhb@lemote.com
Cc: Zhang Le <r0bertz@gentoo.org>
Cc: zhangfx@lemote.com
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Wu Zhangjin 2009-10-16 14:17:16 +08:00 committed by Ralf Baechle
parent f6d4ff02c6
commit db54ff246e
1 changed files with 5 additions and 5 deletions
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10
arch/mips/loongson/common/early_printk.c
View file

@ -1,7 +1,7 @@
/* early printk support
*
* Copyright (c) 2009 Philippe Vachon <philippe@cowpig.ca>
* Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
* Copyright (c) 2009 Lemote Inc.
* Author: Wu Zhangjin, wuzj@lemote.com
*
* This program is free software; you can redistribute it and/or modify it
@ -16,20 +16,20 @@
#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)
;