Commit 55d04dff authored by Ralf Baechle's avatar Ralf Baechle

New kernel option nowait allows disabling the use of the wait instruction.

Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 569f75bd
......@@ -71,11 +71,27 @@ static void au1k_wait(void)
: : "r" (au1k_wait));
}
static int __initdata nowait = 0;
int __init wait_disable(char *s)
{
nowait = 1;
return 1;
}
__setup("nowait", wait_disable);
static inline void check_wait(void)
{
struct cpuinfo_mips *c = &current_cpu_data;
printk("Checking for 'wait' instruction... ");
if (nowait) {
printk (" disabled.\n");
return;
}
switch (c->cputype) {
case CPU_R3081:
case CPU_R3081E:
......
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