aboutsummaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/kernel/cpu-probe.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index e40bd6fccea..53e4496de6b 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -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: