HPET: make minimum reprogramming delta useful

[karo-tx-linux.git] / arch / x86 / kernel / hpet.c

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 9b5cfcdfc426cc194365020c061c6c0b46e54083..f9be2c5a3ae7859e1b0e2d0644b16d51328914ca 100644 (file)
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -223,8 +223,8 @@ static void hpet_legacy_clockevent_register(void)
        /* Calculate the min / max delta */
        hpet_clockevent.max_delta_ns = clockevent_delta2ns(0x7FFFFFFF,
                                                           &hpet_clockevent);
-       hpet_clockevent.min_delta_ns = clockevent_delta2ns(0x30,
-                                                          &hpet_clockevent);
+       /* 5 usec minimum reprogramming delta. */
+       hpet_clockevent.min_delta_ns = 5000;
 
        /*
         * Start hpet with the boot cpu mask and make it