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Merge branch 'acpi-pci-hotplug' into acpi-hotplug

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Conflicts:
	include/acpi/acpi_bus.h
This commit is contained in:
Rafael J. Wysocki
2013-12-31 13:41:08 +01:00
parent caa73ea158 f244d8b623
commit d1badf8d43
5 changed files with 64 additions and 8 deletions
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26
drivers/pci/hotplug/acpiphp_glue.c
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@@ -645,6 +645,24 @@ static void disable_slot(struct acpiphp_slot *slot)
slot->flags &= (~SLOT_ENABLED);
}
static bool acpiphp_no_hotplug(acpi_handle handle)
{
struct acpi_device *adev = NULL;
acpi_bus_get_device(handle, &adev);
return adev && adev->flags.no_hotplug;
}
static bool slot_no_hotplug(struct acpiphp_slot *slot)
{
struct acpiphp_func *func;
list_for_each_entry(func, &slot->funcs, sibling)
if (acpiphp_no_hotplug(func_to_handle(func)))
return true;
return false;
}
/**
* get_slot_status - get ACPI slot status
@@ -703,7 +721,8 @@ static void trim_stale_devices(struct pci_dev *dev)
unsigned long long sta;
status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
alive = ACPI_SUCCESS(status) && sta == ACPI_STA_ALL;
alive = (ACPI_SUCCESS(status) && sta == ACPI_STA_ALL)
|| acpiphp_no_hotplug(handle);
}
if (!alive) {
u32 v;
@@ -743,8 +762,9 @@ static void acpiphp_check_bridge(struct acpiphp_bridge *bridge)
struct pci_dev *dev, *tmp;
mutex_lock(&slot->crit_sect);
/* wake up all functions */
if (get_slot_status(slot) == ACPI_STA_ALL) {
if (slot_no_hotplug(slot)) {
; /* do nothing */
} else if (get_slot_status(slot) == ACPI_STA_ALL) {
/* remove stale devices if any */
list_for_each_entry_safe(dev, tmp, &bus->devices,
bus_list)