From: Kevin Tian Date: Wed, 19 Oct 2011 08:39:37 +0000 (+0800) Subject: ACPI: processor: export necessary interfaces X-Git-Tag: v2.6.39-400.9.0~830^2~1^2~7 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=522f4888a14b1d52ac218171250ce28777205638;p=users%2Fjedix%2Flinux-maple.git ACPI: processor: export necessary interfaces This patch export some necessary functions which parse processor power management information. The Xen ACPI processor driver uses them. Signed-off-by: Yu Ke Signed-off-by: Tian Kevin Signed-off-by: Tang Liang Signed-off-by: Konrad Rzeszutek Wilk --- diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index a4e0f1ba6040..bd6288ba1554 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -79,9 +79,6 @@ MODULE_AUTHOR("Paul Diefenbaugh"); MODULE_DESCRIPTION("ACPI Processor Driver"); MODULE_LICENSE("GPL"); -static int acpi_processor_add(struct acpi_device *device); -static int acpi_processor_remove(struct acpi_device *device, int type); -static void acpi_processor_notify(struct acpi_device *device, u32 event); static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu); static int acpi_processor_handle_eject(struct acpi_processor *pr); @@ -378,7 +375,7 @@ static int acpi_processor_get_info(struct acpi_device *device) static DEFINE_PER_CPU(void *, processor_device_array); -static void acpi_processor_notify(struct acpi_device *device, u32 event) +void acpi_processor_notify(struct acpi_device *device, u32 event) { struct acpi_processor *pr = acpi_driver_data(device); int saved; @@ -442,7 +439,7 @@ static struct notifier_block acpi_cpu_notifier = .notifier_call = acpi_cpu_soft_notify, }; -static int __cpuinit acpi_processor_add(struct acpi_device *device) +int __cpuinit acpi_processor_add(struct acpi_device *device) { struct acpi_processor *pr = NULL; int result = 0; @@ -546,7 +543,7 @@ err_free_cpumask: return result; } -static int acpi_processor_remove(struct acpi_device *device, int type) +int acpi_processor_remove(struct acpi_device *device, int type) { struct acpi_processor *pr = NULL; @@ -759,7 +756,6 @@ static int acpi_processor_handle_eject(struct acpi_processor *pr) } #endif -static void acpi_processor_install_hotplug_notify(void) { #ifdef CONFIG_ACPI_HOTPLUG_CPU @@ -772,7 +768,6 @@ void acpi_processor_install_hotplug_notify(void) register_hotcpu_notifier(&acpi_cpu_notifier); } -static void acpi_processor_uninstall_hotplug_notify(void) { #ifdef CONFIG_ACPI_HOTPLUG_CPU diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 85b32376dad7..22c61957682b 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -386,7 +386,7 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr) return result; } -static int acpi_processor_get_performance_info(struct acpi_processor *pr) +int acpi_processor_get_performance_info(struct acpi_processor *pr) { int result = 0; acpi_status status = AE_OK; @@ -492,7 +492,7 @@ int acpi_processor_notify_smm(struct module *calling_module) EXPORT_SYMBOL(acpi_processor_notify_smm); -static int acpi_processor_get_psd(struct acpi_processor *pr) +int acpi_processor_get_psd(struct acpi_processor *pr) { int result = 0; acpi_status status = AE_OK; diff --git a/include/acpi/processor.h b/include/acpi/processor.h index ba4928cae473..e79831a328fc 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h @@ -239,6 +239,12 @@ extern void acpi_processor_unregister_performance(struct if a _PPC object exists, rmmod is disallowed then */ int acpi_processor_notify_smm(struct module *calling_module); +void acpi_processor_install_hotplug_notify(void); +void acpi_processor_uninstall_hotplug_notify(void); + +int acpi_processor_add(struct acpi_device *device); +int acpi_processor_remove(struct acpi_device *device, int type); +void acpi_processor_notify(struct acpi_device *device, u32 event); /* for communication between multiple parts of the processor kernel module */ DECLARE_PER_CPU(struct acpi_processor *, processors); extern struct acpi_processor_errata errata; @@ -278,7 +284,9 @@ static inline void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx void acpi_processor_ppc_init(void); void acpi_processor_ppc_exit(void); int acpi_processor_ppc_has_changed(struct acpi_processor *pr, int event_flag); -extern int acpi_processor_get_bios_limit(int cpu, unsigned int *limit); +int acpi_processor_get_performance_info(struct acpi_processor *pr); +int acpi_processor_get_psd(struct acpi_processor *pr); +int acpi_processor_get_bios_limit(int cpu, unsigned int *limit); #else static inline void acpi_processor_ppc_init(void) {