Patch "MIPS: Fix r4k clockevents registration" has been added to the 4.7-stable tree

Patch "MIPS: Fix r4k clockevents registration" has been added to the 4.7-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    MIPS: Fix r4k clockevents registration

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-fix-r4k-clockevents-registration.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 <stable@vger.kernel.org> know about it.


>From 6dabf2b7a597a9613f0b8a2fcbe01e2a0a05c896 Mon Sep 17 00:00:00 2001
From: Huacai Chen <chenhc@lemote.com>
Date: Thu, 21 Jul 2016 14:27:49 +0800
Subject: MIPS: Fix r4k clockevents registration

From: Huacai Chen <chenhc@lemote.com>

commit 6dabf2b7a597a9613f0b8a2fcbe01e2a0a05c896 upstream.

CPUFreq need min_delta_ticks/max_delta_ticks to be initialized, and
this can be done by clockevents_config_and_register().

Signed-off-by: Heiher <r@hev.cc>
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J . Hill <Steven.Hill@imgtec.com>
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/13817/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/mips/kernel/cevt-r4k.c |    7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -276,12 +276,7 @@ int r4k_clockevent_init(void)
 				  CLOCK_EVT_FEAT_C3STOP |
 				  CLOCK_EVT_FEAT_PERCPU;
 
-	clockevent_set_clock(cd, mips_hpt_frequency);
-
-	/* Calculate the min / max delta */
-	cd->max_delta_ns	= clockevent_delta2ns(0x7fffffff, cd);
 	min_delta		= calculate_min_delta();
-	cd->min_delta_ns	= clockevent_delta2ns(min_delta, cd);
 
 	cd->rating		= 300;
 	cd->irq			= irq;
@@ -289,7 +284,7 @@ int r4k_clockevent_init(void)
 	cd->set_next_event	= mips_next_event;
 	cd->event_handler	= mips_event_handler;
 
-	clockevents_register_device(cd);
+	clockevents_config_and_register(cd, mips_hpt_frequency, min_delta, 0x7fffffff);
 
 	if (cp0_timer_irq_installed)
 		return 0;


Patches currently in stable-queue which might be from chenhc@lemote.com 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