Patch "MIPS: Don't register r4k sched clock when CPUFREQ enabled" has been added to the 4.7-stable tree
Subsystems (2)
This is a note to let you know that I've just added the patch titled
MIPS: Don't register r4k sched clock when CPUFREQ enabled
to the 4.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mips-don-t-register-r4k-sched-clock-when-cpufreq-enabled.patch
and it can be found in the queue-4.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From
07d69579e7fec27e371296d8ca9d6076fc401b5cMon Sep 17 00:00:00 2001
From: Huacai Chen <[email protected]>
Date: Fri, 22 Jul 2016 11:46:31 +0800
Subject: MIPS: Don't register r4k sched clock when CPUFREQ enabled
From: Huacai Chen <[email protected]>
commit 07d69579e7fec27e371296d8ca9d6076fc401b5c upstream.
Don't register r4k sched clock when CPUFREQ enabled because sched clock need a constant frequency.
Patchwork: https://patchwork.linux-mips.org/patch/13820/
--- arch/mips/kernel/csrc-r4k.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
arch/mips/kernel/csrc-r4k.c +3 -1
@@ -23,7 +23,7 @@ static struct clocksource clocksource_mi .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; -static u64 notrace r4k_read_sched_clock(void) +static u64 __maybe_unused notrace r4k_read_sched_clock(void) {return read_c0_count (); }
@@ -82,7 +82,9 @@ int __init init_r4k_clocksource(void)clocksource_register_hz (&clocksource_mips, mips_hpt_frequency); +#ifndef CONFIG_CPU_FREQ sched_clock_register (r4k_read_sched_clock,32 , mips_hpt_frequency); +#endif return 0 ; }
Patches currently in stable-queue which might be from [email protected] are
queue-4.7/mips-hpet-increase-hpet_min_prog_delta-and-decrease-hpet_min_cycles.patch queue-4.7/mips-fix-r4k-clockevents-registration.patch queue-4.7/mips-don-t-register-r4k-sched-clock-when-cpufreq-enabled.patch