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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-26 09:06:30 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-26 09:06:30 +0400 |
| commit | 422d26b6ecd77af8c77f2a40580679459825170f (patch) | |
| tree | 632e690e458fb7b27db200cd6fcd5429e143e419 /drivers/cpufreq/cpufreq-cpu0.c | |
| parent | 4c271bb67c04253c1e99006eb48fb773a8fe8c0f (diff) | |
| parent | 949db153b6466c6f7cad5a427ecea94985927311 (diff) | |
| download | linux-422d26b6ecd77af8c77f2a40580679459825170f.tar.xz | |
Merge 3.8-rc5 into driver-core-next
This resolves a gpio driver merge issue pointed out in linux-next.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/cpufreq/cpufreq-cpu0.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq-cpu0.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c index 52bf36d599f5..debc5a7c8db6 100644 --- a/drivers/cpufreq/cpufreq-cpu0.c +++ b/drivers/cpufreq/cpufreq-cpu0.c @@ -71,12 +71,15 @@ static int cpu0_set_target(struct cpufreq_policy *policy, } if (cpu_reg) { + rcu_read_lock(); opp = opp_find_freq_ceil(cpu_dev, &freq_Hz); if (IS_ERR(opp)) { + rcu_read_unlock(); pr_err("failed to find OPP for %ld\n", freq_Hz); return PTR_ERR(opp); } volt = opp_get_voltage(opp); + rcu_read_unlock(); tol = volt * voltage_tolerance / 100; volt_old = regulator_get_voltage(cpu_reg); } @@ -236,12 +239,14 @@ static int cpu0_cpufreq_driver_init(void) */ for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++) ; + rcu_read_lock(); opp = opp_find_freq_exact(cpu_dev, freq_table[0].frequency * 1000, true); min_uV = opp_get_voltage(opp); opp = opp_find_freq_exact(cpu_dev, freq_table[i-1].frequency * 1000, true); max_uV = opp_get_voltage(opp); + rcu_read_unlock(); ret = regulator_set_voltage_time(cpu_reg, min_uV, max_uV); if (ret > 0) transition_latency += ret * 1000; |