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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-08-27 01:26:37 +0200 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-08-27 01:26:37 +0200 |
commit | abe5430e9d5314190ca571b3bfc0c42000634378 (patch) | |
tree | b78f767e96d5a99d6440bfdfdb99d6b7acfae500 /drivers/acpi/pci_slot.c | |
parent | c92f56cbdfc08c8c207c9476c69c99fdbadbd77b (diff) | |
parent | ad07277e82dedabacc52c82746633680a3187d25 (diff) | |
download | op-kernel-dev-abe5430e9d5314190ca571b3bfc0c42000634378.zip op-kernel-dev-abe5430e9d5314190ca571b3bfc0c42000634378.tar.gz |
Merge branch 'acpi-pci-hotplug'
* acpi-pci-hotplug: (34 commits)
ACPI / PM: Hold acpi_scan_lock over system PM transitions
ACPI / hotplug / PCI: Fix NULL pointer dereference in cleanup_bridge()
PCI / ACPI: Use dev_dbg() instead of dev_info() in acpi_pci_set_power_state()
ACPI / hotplug / PCI: Get rid of check_sub_bridges()
ACPI / hotplug / PCI: Clean up bridge_mutex usage
ACPI / hotplug / PCI: Redefine enable_device() and disable_device()
ACPI / hotplug / PCI: Sanitize acpiphp_get_(latch)|(adapter)_status()
ACPI / hotplug / PCI: Get rid of unused constants in acpiphp.h
ACPI / hotplug / PCI: Check for new devices on enabled slots
ACPI / hotplug / PCI: Allow slots without new devices to be rescanned
ACPI / hotplug / PCI: Do not check SLOT_ENABLED in enable_device()
ACPI / hotplug / PCI: Do not exectute _PS0 and _PS3 directly
ACPI / hotplug / PCI: Do not queue up event handling work items in vain
ACPI / hotplug / PCI: Consolidate slot disabling and ejecting
ACPI / hotplug / PCI: Drop redundant checks from check_hotplug_bridge()
ACPI / hotplug / PCI: Rework namespace scanning and trimming routines
ACPI / hotplug / PCI: Store parent in functions and bus in slots
ACPI / hotplug / PCI: Drop handle field from struct acpiphp_bridge
ACPI / hotplug / PCI: Drop handle field from struct acpiphp_func
ACPI / hotplug / PCI: Embed function struct into struct acpiphp_context
...
Diffstat (limited to 'drivers/acpi/pci_slot.c')
-rw-r--r-- | drivers/acpi/pci_slot.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c index 033d117..d678a18 100644 --- a/drivers/acpi/pci_slot.c +++ b/drivers/acpi/pci_slot.c @@ -159,12 +159,16 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) return AE_OK; } -void acpi_pci_slot_enumerate(struct pci_bus *bus, acpi_handle handle) +void acpi_pci_slot_enumerate(struct pci_bus *bus) { - mutex_lock(&slot_list_lock); - acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, 1, - register_slot, NULL, bus, NULL); - mutex_unlock(&slot_list_lock); + acpi_handle handle = ACPI_HANDLE(bus->bridge); + + if (handle) { + mutex_lock(&slot_list_lock); + acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, 1, + register_slot, NULL, bus, NULL); + mutex_unlock(&slot_list_lock); + } } void acpi_pci_slot_remove(struct pci_bus *bus) |