diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-11-07 13:18:27 -0500 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-11-07 13:18:27 -0500 |
| commit | 8dbb8d54fe0bb551d515393fca495508d36af2a1 (patch) | |
| tree | fd35c997c01a7e61cf6e547e6561a34887a42c25 | |
| parent | 93658cb8597ab76655220be43d3d7f74c66e9e4e (diff) | |
| parent | 34411a69a4925dd6de8e1069956f59d758da3ce9 (diff) | |
Merge branch 'acpi-processor'
* acpi-processor:
ACPI / processor: Do not request ACPI cpufreq module directly
| -rw-r--r-- | drivers/acpi/processor_driver.c | 1 | ||||
| -rw-r--r-- | drivers/acpi/processor_perflib.c | 22 | ||||
| -rw-r--r-- | include/acpi/processor.h | 1 |
3 files changed, 0 insertions, 24 deletions
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index 40fc773ab6e0..146ab7e2b81d 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c | |||
| @@ -171,7 +171,6 @@ static int __acpi_processor_start(struct acpi_device *device) | |||
| 171 | 171 | ||
| 172 | #ifdef CONFIG_CPU_FREQ | 172 | #ifdef CONFIG_CPU_FREQ |
| 173 | acpi_processor_ppc_has_changed(pr, 0); | 173 | acpi_processor_ppc_has_changed(pr, 0); |
| 174 | acpi_processor_load_module(pr); | ||
| 175 | #endif | 174 | #endif |
| 176 | acpi_processor_get_throttling_info(pr); | 175 | acpi_processor_get_throttling_info(pr); |
| 177 | 176 | ||
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 51d7948611da..60a7c28fc167 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c | |||
| @@ -235,28 +235,6 @@ void acpi_processor_ppc_exit(void) | |||
| 235 | acpi_processor_ppc_status &= ~PPC_REGISTERED; | 235 | acpi_processor_ppc_status &= ~PPC_REGISTERED; |
| 236 | } | 236 | } |
| 237 | 237 | ||
| 238 | /* | ||
| 239 | * Do a quick check if the systems looks like it should use ACPI | ||
| 240 | * cpufreq. We look at a _PCT method being available, but don't | ||
| 241 | * do a whole lot of sanity checks. | ||
| 242 | */ | ||
| 243 | void acpi_processor_load_module(struct acpi_processor *pr) | ||
| 244 | { | ||
| 245 | static int requested; | ||
| 246 | acpi_status status = 0; | ||
| 247 | struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; | ||
| 248 | |||
| 249 | if (!arch_has_acpi_pdc() || requested) | ||
| 250 | return; | ||
| 251 | status = acpi_evaluate_object(pr->handle, "_PCT", NULL, &buffer); | ||
| 252 | if (!ACPI_FAILURE(status)) { | ||
| 253 | printk(KERN_INFO PREFIX "Requesting acpi_cpufreq\n"); | ||
| 254 | request_module_nowait("acpi_cpufreq"); | ||
| 255 | requested = 1; | ||
| 256 | } | ||
| 257 | kfree(buffer.pointer); | ||
| 258 | } | ||
| 259 | |||
| 260 | static int acpi_processor_get_performance_control(struct acpi_processor *pr) | 238 | static int acpi_processor_get_performance_control(struct acpi_processor *pr) |
| 261 | { | 239 | { |
| 262 | int result = 0; | 240 | int result = 0; |
diff --git a/include/acpi/processor.h b/include/acpi/processor.h index 7816e45f5d5a..6eb1d3cb5104 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h | |||
| @@ -225,7 +225,6 @@ struct acpi_processor_errata { | |||
| 225 | } piix4; | 225 | } piix4; |
| 226 | }; | 226 | }; |
| 227 | 227 | ||
| 228 | extern void acpi_processor_load_module(struct acpi_processor *pr); | ||
| 229 | extern int acpi_processor_preregister_performance(struct | 228 | extern int acpi_processor_preregister_performance(struct |
| 230 | acpi_processor_performance | 229 | acpi_processor_performance |
| 231 | __percpu *performance); | 230 | __percpu *performance); |
