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author | Jiri Kosina <jkosina@suse.cz> | 2011-09-15 15:08:05 +0200 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2011-09-15 15:08:18 +0200 |
commit | e060c38434b2caa78efe7cedaff4191040b65a15 (patch) | |
tree | 407361230bf6733f63d8e788e4b5e6566ee04818 /drivers/cpufreq | |
parent | 10e4ac572eeffe5317019bd7330b6058a400dfc2 (diff) | |
parent | cc39c6a9bbdebfcf1a7dee64d83bf302bc38d941 (diff) | |
download | linux-e060c38434b2caa78efe7cedaff4191040b65a15.tar.bz2 |
Merge branch 'master' into for-next
Fast-forward merge with Linus to be able to merge patches
based on more recent version of the tree.
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r-- | drivers/cpufreq/cpufreq.c | 20 | ||||
-rw-r--r-- | drivers/cpufreq/pcc-cpufreq.c | 3 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 0a5bea9e3585..987a165ede26 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1199,6 +1199,26 @@ unsigned int cpufreq_quick_get(unsigned int cpu) } EXPORT_SYMBOL(cpufreq_quick_get); +/** + * cpufreq_quick_get_max - get the max reported CPU frequency for this CPU + * @cpu: CPU number + * + * Just return the max possible frequency for a given CPU. + */ +unsigned int cpufreq_quick_get_max(unsigned int cpu) +{ + struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); + unsigned int ret_freq = 0; + + if (policy) { + ret_freq = policy->max; + cpufreq_cpu_put(policy); + } + + return ret_freq; +} +EXPORT_SYMBOL(cpufreq_quick_get_max); + static unsigned int __cpufreq_get(unsigned int cpu) { diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c index 7b0603eb0129..cdc02ac8f41a 100644 --- a/drivers/cpufreq/pcc-cpufreq.c +++ b/drivers/cpufreq/pcc-cpufreq.c @@ -261,6 +261,9 @@ static int pcc_get_offset(int cpu) pr = per_cpu(processors, cpu); pcc_cpu_data = per_cpu_ptr(pcc_cpu_info, cpu); + if (!pr) + return -ENODEV; + status = acpi_evaluate_object(pr->handle, "PCCP", NULL, &buffer); if (ACPI_FAILURE(status)) return -ENODEV; |