From bb26081a98d3db2fde37ff57f8276266b6158471 Mon Sep 17 00:00:00 2001 From: Nicolai Stange Date: Thu, 30 Mar 2017 21:45:28 +0200 Subject: microblaze: Set ->min_delta_ticks and ->max_delta_ticks for timer 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 microblaze 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. Signed-off-by: Nicolai Stange Acked-by: Daniel Lezcano Signed-off-by: Michal Simek --- arch/microblaze/kernel/timer.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch') diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c index 9990661..545ccd4 100644 --- a/arch/microblaze/kernel/timer.c +++ b/arch/microblaze/kernel/timer.c @@ -178,8 +178,10 @@ static __init int xilinx_clockevent_init(void) clockevent_xilinx_timer.shift); clockevent_xilinx_timer.max_delta_ns = clockevent_delta2ns((u32)~0, &clockevent_xilinx_timer); + clockevent_xilinx_timer.max_delta_ticks = (u32)~0; clockevent_xilinx_timer.min_delta_ns = clockevent_delta2ns(1, &clockevent_xilinx_timer); + clockevent_xilinx_timer.min_delta_ticks = 1; clockevent_xilinx_timer.cpumask = cpumask_of(0); clockevents_register_device(&clockevent_xilinx_timer); -- cgit v1.1