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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-05 11:16:25 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-05 11:16:25 -0700 |
commit | 32fb6c17566ec66de87324a834c7776f40e35e78 (patch) | |
tree | 87b8ed5d66495536fbb452255c3eacd1cfb0c43a /drivers/acpi/processor_core.c | |
parent | 45e36c1666aa6c8b0c538abcf984b336184d8c3f (diff) | |
parent | 7ec0a7290797f57b780f792d12f4bcc19c83aa4f (diff) | |
download | linux-32fb6c17566ec66de87324a834c7776f40e35e78.tar.gz linux-32fb6c17566ec66de87324a834c7776f40e35e78.tar.bz2 linux-32fb6c17566ec66de87324a834c7776f40e35e78.zip |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (140 commits)
ACPI: processor: use .notify method instead of installing handler directly
ACPI: button: use .notify method instead of installing handler directly
ACPI: support acpi_device_ops .notify methods
toshiba-acpi: remove MAINTAINERS entry
ACPI: battery: asynchronous init
acer-wmi: Update copyright notice & documentation
acer-wmi: Cleanup the failure cleanup handling
acer-wmi: Blacklist Acer Aspire One
video: build fix
thinkpad-acpi: rework brightness support
thinkpad-acpi: enhanced debugging messages for the fan subdriver
thinkpad-acpi: enhanced debugging messages for the hotkey subdriver
thinkpad-acpi: enhanced debugging messages for rfkill subdrivers
thinkpad-acpi: restrict access to some firmware LEDs
thinkpad-acpi: remove HKEY disable functionality
thinkpad-acpi: add new debug helpers and warn of deprecated atts
thinkpad-acpi: add missing log levels
thinkpad-acpi: cleanup debug helpers
thinkpad-acpi: documentation cleanup
thinkpad-acpi: drop ibm-acpi alias
...
Diffstat (limited to 'drivers/acpi/processor_core.c')
-rw-r--r-- | drivers/acpi/processor_core.c | 45 |
1 files changed, 30 insertions, 15 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index fa2f7422d23d..45ad3288c5ff 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -82,7 +82,7 @@ static int acpi_processor_add(struct acpi_device *device); static int acpi_processor_start(struct acpi_device *device); static int acpi_processor_remove(struct acpi_device *device, int type); static int acpi_processor_info_open_fs(struct inode *inode, struct file *file); -static void acpi_processor_notify(acpi_handle handle, u32 event, void *data); +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); @@ -104,6 +104,7 @@ static struct acpi_driver acpi_processor_driver = { .start = acpi_processor_start, .suspend = acpi_processor_suspend, .resume = acpi_processor_resume, + .notify = acpi_processor_notify, }, }; @@ -426,6 +427,29 @@ static int map_lapic_id(struct acpi_subtable_header *entry, return 0; } +static int map_x2apic_id(struct acpi_subtable_header *entry, + int device_declaration, u32 acpi_id, int *apic_id) +{ + struct acpi_madt_local_x2apic *apic = + (struct acpi_madt_local_x2apic *)entry; + u32 tmp = apic->local_apic_id; + + /* Only check enabled APICs*/ + if (!(apic->lapic_flags & ACPI_MADT_ENABLED)) + return 0; + + /* Device statement declaration type */ + if (device_declaration) { + if (apic->uid == acpi_id) + goto found; + } + + return 0; +found: + *apic_id = tmp; + return 1; +} + static int map_lsapic_id(struct acpi_subtable_header *entry, int device_declaration, u32 acpi_id, int *apic_id) { @@ -475,6 +499,9 @@ static int map_madt_entry(int type, u32 acpi_id) if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) { if (map_lapic_id(header, acpi_id, &apic_id)) break; + } else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC) { + if (map_x2apic_id(header, type, acpi_id, &apic_id)) + break; } else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) { if (map_lsapic_id(header, type, acpi_id, &apic_id)) break; @@ -665,7 +692,6 @@ static DEFINE_PER_CPU(void *, processor_device_array); static int __cpuinit acpi_processor_start(struct acpi_device *device) { int result = 0; - acpi_status status = AE_OK; struct acpi_processor *pr; struct sys_device *sysdev; @@ -702,9 +728,6 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device) if (sysfs_create_link(&device->dev.kobj, &sysdev->kobj, "sysdev")) return -EFAULT; - status = acpi_install_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY, - acpi_processor_notify, pr); - /* _PDC call should be done before doing anything else (if reqd.). */ arch_acpi_processor_init_pdc(pr); acpi_processor_set_pdc(pr); @@ -750,18 +773,14 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device) return result; } -static void acpi_processor_notify(acpi_handle handle, u32 event, void *data) +static void acpi_processor_notify(struct acpi_device *device, u32 event) { - struct acpi_processor *pr = data; - struct acpi_device *device = NULL; + struct acpi_processor *pr = acpi_driver_data(device); int saved; if (!pr) return; - if (acpi_bus_get_device(pr->handle, &device)) - return; - switch (event) { case ACPI_PROCESSOR_NOTIFY_PERFORMANCE: saved = pr->performance_platform_limit; @@ -840,7 +859,6 @@ static int acpi_processor_add(struct acpi_device *device) static int acpi_processor_remove(struct acpi_device *device, int type) { - acpi_status status = AE_OK; struct acpi_processor *pr = NULL; @@ -859,9 +877,6 @@ static int acpi_processor_remove(struct acpi_device *device, int type) acpi_processor_power_exit(pr, device); - status = acpi_remove_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY, - acpi_processor_notify); - sysfs_remove_link(&device->dev.kobj, "sysdev"); acpi_processor_remove_fs(device); |