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x86/ioapic: Change prototype of acpi_ioapic_add() 

Change the argument of acpi_ioapic_add() to a generic ACPI handle, and
move its prototype from drivers/acpi/internal.h to include/linux/acpi.h
so that it can be called from outside the pci_root driver.

Signed-off-by: Rui Wang <rui.y.wang@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: bhelgaas@google.com
Cc: helgaas@kernel.org
Cc: linux-acpi@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Cc: rjw@rjwysocki.net
Cc: tony.luck@intel.com
Link: http://lkml.kernel.org/r/1471420837-31003-2-git-send-email-rui.y.wang@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Rui Wang 2016-08-17 16:00:33 +08:00 committed by Ingo Molnar
parent 31b02dd718
commit fe7bd58f5d
4 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/acpi/internal.h
View File

@ -40,10 +40,8 @@ int acpi_sysfs_init(void);
void acpi_container_init(void);
void acpi_memory_hotplug_init(void);
#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
int acpi_ioapic_add(struct acpi_pci_root *root);
int acpi_ioapic_remove(struct acpi_pci_root *root);
#else
static inline int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; }
static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
#endif
#ifdef CONFIG_ACPI_DOCK

6
drivers/acpi/ioapic.c
View File

@ -189,13 +189,13 @@ exit:
return AE_OK;
}
int acpi_ioapic_add(struct acpi_pci_root *root)
int acpi_ioapic_add(acpi_handle root_handle)
{
acpi_status status, retval = AE_OK;
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, root->device->handle,
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, root_handle,
UINT_MAX, handle_ioapic_add, NULL,
root->device->handle, (void **)&retval);
root_handle, (void **)&retval);
return ACPI_SUCCESS(status) && ACPI_SUCCESS(retval) ? 0 : -ENODEV;
}

2
drivers/acpi/pci_root.c
View File

@ -614,7 +614,7 @@ static int acpi_pci_root_add(struct acpi_device *device,
if (hotadd) {
pcibios_resource_survey_bus(root->bus);
pci_assign_unassigned_root_bus_resources(root->bus);
acpi_ioapic_add(root);
acpi_ioapic_add(root->device->handle);
}
pci_lock_rescan_remove();

6
include/linux/acpi.h
View File

@ -751,6 +751,12 @@ static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
#endif /* !CONFIG_ACPI */
#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
int acpi_ioapic_add(acpi_handle root);
#else
static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
#endif
#ifdef CONFIG_ACPI
void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
u32 pm1a_ctrl, u32 pm1b_ctrl));