This is a note to let you know that I've just added the patch titled
MIPS: loongson2_cpufreq: Fix CPU clock rate setting mismerge
to the 3.17-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-loongson2_cpufreq-fix-cpu-clock-rate-setting-mismerge.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From aa08ed55442ac6f9810c055e1474be34e785e556 Mon Sep 17 00:00:00 2001
From: Aaro Koskinen <aaro.koskinen@xxxxxx>
Date: Sun, 21 Sep 2014 15:38:43 +0300
Subject: MIPS: loongson2_cpufreq: Fix CPU clock rate setting mismerge
From: Aaro Koskinen <aaro.koskinen@xxxxxx>
commit aa08ed55442ac6f9810c055e1474be34e785e556 upstream.
During 3.16 merge window, parts of the commit 8e8acb32960f
(MIPS/loongson2_cpufreq: Fix CPU clock rate setting) seem to have
been deleted probably due to a mismerge, and as a result cpufreq
is broken again on Loongson2 boards in 3.16 and newer kernels.
Fix by repeating the fix.
Signed-off-by: Aaro Koskinen <aaro.koskinen@xxxxxx>
Cc: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Cc: linux-mips@xxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Patchwork: https://patchwork.linux-mips.org/patch/7835/
Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/mips/loongson/lemote-2f/clock.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/arch/mips/loongson/lemote-2f/clock.c
+++ b/arch/mips/loongson/lemote-2f/clock.c
@@ -91,6 +91,7 @@ EXPORT_SYMBOL(clk_put);
int clk_set_rate(struct clk *clk, unsigned long rate)
{
+ unsigned int rate_khz = rate / 1000;
struct cpufreq_frequency_table *pos;
int ret = 0;
int regval;
@@ -107,9 +108,9 @@ int clk_set_rate(struct clk *clk, unsign
propagate_rate(clk);
cpufreq_for_each_valid_entry(pos, loongson2_clockmod_table)
- if (rate == pos->frequency)
+ if (rate_khz == pos->frequency)
break;
- if (rate != pos->frequency)
+ if (rate_khz != pos->frequency)
return -ENOTSUPP;
clk->rate = rate;
Patches currently in stable-queue which might be from aaro.koskinen@xxxxxx are
queue-3.17/mips-ptrace.h-add-a-missing-include.patch
queue-3.17/mips-loongson2_cpufreq-fix-cpu-clock-rate-setting-mismerge.patch
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