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authorNicolai Stange <nicstange@gmail.com>2017-03-30 21:59:42 +0200
committerJohn Stultz <john.stultz@linaro.org>2017-04-14 13:11:22 -0700
commit8ab3a284a6348f4160a93051d1ed69692589a5c8 (patch)
tree2662a5d14442c93ef429c9c3dd07a24339130861 /arch/um/drivers
parent45b586ef231abf29bff2b91efb74c10d01a0d79c (diff)
downloadlinux-8ab3a284a6348f4160a93051d1ed69692589a5c8.tar.bz2
um/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 uml 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@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Richard Cochran <richardcochran@gmail.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: Richard Weinberger <richard@nod.at> Cc: Jeff Dike <jdike@addtoit.com> Cc: user-mode-linux-devel@lists.sourceforge.net Signed-off-by: Nicolai Stange <nicstange@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
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