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Commit db54ff24 authored by Wu Zhangjin's avatar Wu Zhangjin Committed by Ralf Baechle
Browse files

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: default avatarWu 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: default avatarRalf Baechle <ralf@linux-mips.org>
parent f6d4ff02

arch/mips/loongson/common/early_printk.c

+5 −5
Original line number Diff line number Diff line 
/*  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)

		;