From: Andi Kleen Date: Sat, 5 Nov 2005 16:25:54 +0000 (+0100) Subject: [PATCH] x86_64: Reduce number of retries for reset through keyboard controller X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a6f5deb2be4c82f24fefadcbf7e448f540c05ae6;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git [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 Signed-off-by: Linus Torvalds --- diff --git a/arch/x86_64/kernel/reboot.c b/arch/x86_64/kernel/reboot.c index 97804bc2c0a0..75235ed2b31b 100644 --- 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 06ae4d81ba6a..a955e57ad016 100644 --- 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 */