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

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>

diff --git a/arch/x86_64/kernel/reboot.c b/arch/x86_64/kernel/reboot.c
index 97804bc2c0a0d9001943ff9b1e4b87628ae28c50..75235ed2b31bd61b630a30e0640b97ee674a3981 100644 (file)
--- a/arch/x86_64/kernel/reboot.c
+++ b/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 */

diff --git a/include/asm-i386/mach-default/mach_reboot.h b/include/asm-i386/mach-default/mach_reboot.h
index 06ae4d81ba6a6d3421e7a95ca23e1c34dce4668c..a955e57ad016a9ce203d90cce3b1f56ad7dbd2c0 100644 (file)
--- a/include/asm-i386/mach-default/mach_reboot.h
+++ b/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 */