Commit 74521c28 authored by Ralf Baechle's avatar Ralf Baechle Committed by Linus Torvalds

Use i8253.c lock for PC speaker on MIPS, too.

The Jazz machines have to use the PIT timer for dyntick and highresolution
kernels.  This may break because currently just like i386 used to do MIPS
uses two separate spinlocks in the actual PIT code and the PC speaker
code.  So switch to do it the same that x86 currently does PIT locking.
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent a89b7717
......@@ -14,7 +14,7 @@
#include <asm/io.h>
#include <asm/time.h>
static DEFINE_SPINLOCK(i8253_lock);
DEFINE_SPINLOCK(i8253_lock);
/*
* Initialize the PIT timer.
......
......@@ -24,7 +24,7 @@ MODULE_DESCRIPTION("PC Speaker beeper driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:pcspkr");
#ifdef CONFIG_X86
#if defined(CONFIG_MIPS) || defined(CONFIG_X86)
/* Use the global PIT lock ! */
#include <asm/i8253.h>
#else
......
......@@ -5,11 +5,15 @@
#ifndef __ASM_I8253_H
#define __ASM_I8253_H
#include <linux/spinlock.h>
/* i8253A PIT registers */
#define PIT_MODE 0x43
#define PIT_CH0 0x40
#define PIT_CH2 0x42
extern spinlock_t i8253_lock;
extern void setup_pit_timer(void);
#endif /* __ASM_I8253_H */
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