From: john stultz Date: Tue, 13 Dec 2005 06:17:13 +0000 (-0800) Subject: [PATCH] x86_64: Fix collision between pmtimer and pit/hpet X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=fd4954714e8e7db9f6eb5878fa6111c46445ca81;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git [PATCH] x86_64: Fix collision between pmtimer and pit/hpet On systems that do not support the HPET legacy functions (basically the IBM x460, but there could be others), in time_init() we accidentally fall into a PM timer conditional and set the vxtime_hz value to the PM timer's frequency. We then use this value with the HPET for timekeeping. This patch (which mimics the behavior in time_init_gtod) corrects the collision. Signed-off-by: Andi Kleen Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 4434e154f596..74102796e5c0 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -915,7 +915,7 @@ void __init time_init(void) cpu_khz = hpet_calibrate_tsc(); timename = "HPET"; #ifdef CONFIG_X86_PM_TIMER - } else if (pmtmr_ioport) { + } else if (pmtmr_ioport && !vxtime.hpet_address) { vxtime_hz = PM_TIMER_FREQUENCY; timename = "PM"; pit_init();