iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

cpufreq: exynos: Fix hang in pm handler due to frequency mismatch

Browse Source 
When pm handler set freq & voltage, frequency mismatch occurred.
Because freqs.new isn't set in pm handler.

Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Jonghwan Choi 2013-02-04 21:01:22 -08:00 committed by Kukjin Kim
parent 229b21e2b7
commit c098ea74b2
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/cpufreq/exynos-cpufreq.c
View File

@ -69,9 +69,10 @@ static int exynos_cpufreq_scale(unsigned int target_freq)
int ret = 0;
freqs.old = policy->cur;
freqs.new = target_freq;
freqs.cpu = policy->cpu;
if (target_freq == freqs.old)
if (freqs.new == freqs.old)
goto out;
/*
@ -159,6 +160,7 @@ static int exynos_target(struct cpufreq_policy *policy,
{
struct cpufreq_frequency_table *freq_table = exynos_info->freq_table;
unsigned int index;
unsigned int new_freq;
int ret = 0;
mutex_lock(&cpufreq_lock);
@ -172,9 +174,9 @@ static int exynos_target(struct cpufreq_policy *policy,
goto out;
}
freqs.new = freq_table[index].frequency;
new_freq = freq_table[index].frequency;
ret = exynos_cpufreq_scale(freqs.new);
ret = exynos_cpufreq_scale(new_freq);
out:
mutex_unlock(&cpufreq_lock);