Commit-ID: 16c125b6c2c58a77756f099605724a2b11aea2d1 Gitweb: http://git.kernel.org/tip/16c125b6c2c58a77756f099605724a2b11aea2d1 Author: Nicolai Stange <nicstange@xxxxxxxxx> AuthorDate: Thu, 30 Mar 2017 22:01:13 +0200 Committer: John Stultz <john.stultz@xxxxxxxxxx> CommitDate: Fri, 14 Apr 2017 13:11:22 -0700 unicore32/time: Set ->min_delta_ticks and ->max_delta_ticks In preparation for making the clockevents core NTP correction aware, all clockevent device drivers must set ->min_delta_ticks and ->max_delta_ticks rather than ->min_delta_ns and ->max_delta_ns: a clockevent device's rate is going to change dynamically and thus, the ratio of ns to ticks ceases to stay invariant. Make the unicore32 arch's clockevent driver initialize these fields properly. This patch alone doesn't introduce any change in functionality as the clockevents core still looks exclusively at the (untouched) ->min_delta_ns and ->max_delta_ns. As soon as this has changed, a followup patch will purge the initialization of ->min_delta_ns and ->max_delta_ns from this driver. Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> Cc: Richard Cochran <richardcochran@xxxxxxxxx> Cc: Prarit Bhargava <prarit@xxxxxxxxxx> Cc: Stephen Boyd <sboyd@xxxxxxxxxxxxxx> Cc: Guan Xuetao <gxt@xxxxxxxxxxxxxxx> Signed-off-by: Nicolai Stange <nicstange@xxxxxxxxx> Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx> --- arch/unicore32/kernel/time.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/unicore32/kernel/time.c b/arch/unicore32/kernel/time.c index fceaa67..c6b3fa3 100644 --- a/arch/unicore32/kernel/time.c +++ b/arch/unicore32/kernel/time.c @@ -91,8 +91,10 @@ void __init time_init(void) ckevt_puv3_osmr0.max_delta_ns = clockevent_delta2ns(0x7fffffff, &ckevt_puv3_osmr0); + ckevt_puv3_osmr0.max_delta_ticks = 0x7fffffff; ckevt_puv3_osmr0.min_delta_ns = clockevent_delta2ns(MIN_OSCR_DELTA * 2, &ckevt_puv3_osmr0) + 1; + ckevt_puv3_osmr0.min_delta_ticks = MIN_OSCR_DELTA * 2; ckevt_puv3_osmr0.cpumask = cpumask_of(0); setup_irq(IRQ_TIMER0, &puv3_timer_irq); -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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