[PATCH] x86_64: Reduce number of retries for reset through keyboard controller
Andi Kleen [Sat, 5 Nov 2005 16:25:54 +0000 (17:25 +0100)]
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
include/asm-i386/mach-default/mach_reboot.h

index 97804bc..75235ed 100644 (file)
@@ -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 */
index 06ae4d8..a955e57 100644 (file)
@@ -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 */