[PATCH] x86_64: Reduce number of retries for reset through keyboard c…

…ontroller

Old code could retry for 10 seconds worst time. Only try it
for one second now.

Suggested by Yinghai Lu

Cc: Yinghai.Lu@amd.com

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/x86_64/kernel/reboot.c

@@ -121,7 +121,7 @@ void machine_emergency_restart(void)
 		/* Could also try the reset bit in the Hammer NB */
 		switch (reboot_type) { 
 		case BOOT_KBD:
-		for (i=0; i<100; i++) {
+		for (i=0; i<10; i++) {
 			kb_wait();
 			udelay(50);
 			outb(0xfe,0x64);         /* pulse reset low */

include/asm-i386/mach-default/mach_reboot.h

@@ -19,7 +19,7 @@ static inline void kb_wait(void)
 static inline void mach_reboot(void)
 {
 	int i;
-	for (i = 0; i < 100; i++) {
+	for (i = 0; i < 10; i++) {
 		kb_wait();
 		udelay(50);
 		outb(0x60, 0x64);	/* write Controller Command Byte */