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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-11-07 19:26:02 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-11-07 19:26:02 +0100 |
commit | 15d4cb9013ab7cdf10760aeabd07b007d635b321 (patch) | |
tree | 6c49842895e8f925881e4d0ccbc597b7081c8508 /drivers/cpufreq/acpi-cpufreq.c | |
parent | adf9684588ec1769b77a9e1c7c68fbad49ec5e43 (diff) | |
parent | fbbcdc0744dace5fcc8147d11c5fb0791126848a (diff) | |
download | lwn-15d4cb9013ab7cdf10760aeabd07b007d635b321.tar.gz lwn-15d4cb9013ab7cdf10760aeabd07b007d635b321.zip |
Merge branch 'pm-cpufreq'
* pm-cpufreq:
intel_pstate: skip the driver if ACPI has power mgmt option
cpufreq: ondemand: Remove redundant return statement
cpufreq: move freq change notifications to cpufreq core
cpufreq: distinguish drivers that do asynchronous notifications
cpufreq/intel_pstate: Add static declarations to internal functions
cpufreq: arm_big_little: reconfigure switcher behavior at run time
cpufreq: arm_big_little: add in-kernel switching (IKS) support
ARM: vexpress/TC2: register vexpress-spc cpufreq device
cpufreq: arm_big_little: add vexpress SPC interface driver
ARM: vexpress/TC2: add cpu clock support
ARM: vexpress/TC2: add support for CPU DVFS
Diffstat (limited to 'drivers/cpufreq/acpi-cpufreq.c')
-rw-r--r-- | drivers/cpufreq/acpi-cpufreq.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index e4bc19552d2b..caf41ebea184 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -428,14 +428,10 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy, { struct acpi_cpufreq_data *data = per_cpu(acfreq_data, policy->cpu); struct acpi_processor_performance *perf; - struct cpufreq_freqs freqs; struct drv_cmd cmd; unsigned int next_perf_state = 0; /* Index into perf table */ int result = 0; - pr_debug("acpi_cpufreq_target %d (%d)\n", - data->freq_table[index].frequency, policy->cpu); - if (unlikely(data == NULL || data->acpi_data == NULL || data->freq_table == NULL)) { return -ENODEV; @@ -483,23 +479,17 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy, else cmd.mask = cpumask_of(policy->cpu); - freqs.old = perf->states[perf->state].core_frequency * 1000; - freqs.new = data->freq_table[index].frequency; - cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE); - drv_write(&cmd); if (acpi_pstate_strict) { - if (!check_freqs(cmd.mask, freqs.new, data)) { + if (!check_freqs(cmd.mask, data->freq_table[index].frequency, + data)) { pr_debug("acpi_cpufreq_target failed (%d)\n", policy->cpu); result = -EAGAIN; - freqs.new = freqs.old; } } - cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE); - if (!result) perf->state = next_perf_state; |