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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-06-27 21:46:45 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-06-27 21:46:45 +0200
commit39a95f4861381a87167729be8f71c59ed4efc27d (patch)
tree5dc01d8d229d9f553a7d3502902b4acb2191a19f /drivers/cpufreq/acpi-cpufreq.c
parentMerge branch 'pm-cpufreq-Kconfig' into pm-cpufreq (diff)
parentcpufreq: powernow-k8: call CPUFREQ_POSTCHANGE notfier in error cases (diff)
downloadlinux-39a95f4861381a87167729be8f71c59ed4efc27d.tar.xz
linux-39a95f4861381a87167729be8f71c59ed4efc27d.zip
Merge branch 'pm-cpufreq-assorted' into pm-cpufreq
* pm-cpufreq-assorted: (21 commits) cpufreq: powernow-k8: call CPUFREQ_POSTCHANGE notfier in error cases cpufreq: pcc: call CPUFREQ_POSTCHANGE notfier in error cases cpufreq: e_powersaver: call CPUFREQ_POSTCHANGE notfier in error cases cpufreq: ACPI: call CPUFREQ_POSTCHANGE notfier in error cases cpufreq: make __cpufreq_notify_transition() static cpufreq: Fix minor formatting issues cpufreq: Fix governor start/stop race condition cpufreq: Simplify userspace governor cpufreq: powerpc: move cpufreq driver to drivers/cpufreq cpufreq: kirkwood: Select CPU_FREQ_TABLE option cpufreq: big.LITTLE needs cpufreq table cpufreq: SPEAr needs cpufreq table cpufreq: powerpc: Add cpufreq driver for Freescale e500mc SoCs cpufreq: remove unnecessary cpufreq_cpu_{get|put}() calls cpufreq: MAINTAINERS: Add git tree path for ARM specific updates cpufreq: rename index as driver_data in cpufreq_frequency_table cpufreq: Don't create empty /sys/devices/system/cpu/cpufreq directory cpufreq: Move get_cpu_idle_time() to cpufreq.c cpufreq: governors: Move get_governor_parent_kobj() to cpufreq.c cpufreq: Add EXPORT_SYMBOL_GPL for have_governor_per_policy ...
Diffstat (limited to 'drivers/cpufreq/acpi-cpufreq.c')
-rw-r--r--drivers/cpufreq/acpi-cpufreq.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index edc089e9d0c4..2c5906d71397 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -232,7 +232,7 @@ static unsigned extract_msr(u32 msr, struct acpi_cpufreq_data *data)
perf = data->acpi_data;
for (i = 0; data->freq_table[i].frequency != CPUFREQ_TABLE_END; i++) {
- if (msr == perf->states[data->freq_table[i].index].status)
+ if (msr == perf->states[data->freq_table[i].driver_data].status)
return data->freq_table[i].frequency;
}
return data->freq_table[0].frequency;
@@ -442,7 +442,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
goto out;
}
- next_perf_state = data->freq_table[next_state].index;
+ next_perf_state = data->freq_table[next_state].driver_data;
if (perf->state == next_perf_state) {
if (unlikely(data->resume)) {
pr_debug("Called after resume, resetting to P%d\n",
@@ -494,12 +494,14 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
pr_debug("acpi_cpufreq_target failed (%d)\n",
policy->cpu);
result = -EAGAIN;
- goto out;
+ freqs.new = freqs.old;
}
}
cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
- perf->state = next_perf_state;
+
+ if (!result)
+ perf->state = next_perf_state;
out:
return result;
@@ -811,7 +813,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
data->freq_table[valid_states-1].frequency / 1000)
continue;
- data->freq_table[valid_states].index = i;
+ data->freq_table[valid_states].driver_data = i;
data->freq_table[valid_states].frequency =
perf->states[i].core_frequency * 1000;
valid_states++;
@@ -947,7 +949,7 @@ static void __init acpi_cpufreq_boost_init(void)
/* We create the boost file in any case, though for systems without
* hardware support it will be read-only and hardwired to return 0.
*/
- if (sysfs_create_file(cpufreq_global_kobject, &(global_boost.attr)))
+ if (cpufreq_sysfs_create_file(&(global_boost.attr)))
pr_warn(PFX "could not register global boost sysfs file\n");
else
pr_debug("registered global boost sysfs file\n");
@@ -955,7 +957,7 @@ static void __init acpi_cpufreq_boost_init(void)
static void __exit acpi_cpufreq_boost_exit(void)
{
- sysfs_remove_file(cpufreq_global_kobject, &(global_boost.attr));
+ cpufreq_sysfs_remove_file(&(global_boost.attr));
if (msrs) {
unregister_cpu_notifier(&boost_nb);