From 8e8acb32960f42c81b1d50deac56a2c07bb6a18a Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Thu, 3 Apr 2014 22:24:01 +0300 Subject: MIPS/loongson2_cpufreq: Fix CPU clock rate setting Loongson2 has been using (incorrectly) kHz for cpu_clk rate. This has been unnoticed, as loongson2_cpufreq was the only place where the rate was set/get. After commit 652ed95d5fa6074b3c4ea245deb0691f1acb6656 (cpufreq: introduce cpufreq_generic_get() routine) things however broke, and now loops_per_jiffy adjustments are incorrect (1000 times too long). The patch fixes this by changing cpu_clk rate to Hz. Signed-off-by: Aaro Koskinen Cc: stable@vger.kernel.org Cc: Rafael J. Wysocki Cc: Viresh Kumar Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: cpufreq@vger.kernel.org Cc: Aaro Koskinen Patchwork: https://patchwork.linux-mips.org/patch/6678/ Signed-off-by: Ralf Baechle --- arch/mips/loongson/lemote-2f/clock.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'arch') diff --git a/arch/mips/loongson/lemote-2f/clock.c b/arch/mips/loongson/lemote-2f/clock.c index e1f427f4f5f3..67dd94ef28e6 100644 --- 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; int ret = 0; int regval; int i; @@ -111,10 +112,10 @@ int clk_set_rate(struct clk *clk, unsigned long rate) if (loongson2_clockmod_table[i].frequency == CPUFREQ_ENTRY_INVALID) continue; - if (rate == loongson2_clockmod_table[i].frequency) + if (rate_khz == loongson2_clockmod_table[i].frequency) break; } - if (rate != loongson2_clockmod_table[i].frequency) + if (rate_khz != loongson2_clockmod_table[i].frequency) return -ENOTSUPP; clk->rate = rate; -- cgit v1.2.3