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Subject[PATCH] acpiphp: assume device is in state D0 after powering on a slot.
Date
Devices which do not support PCI configuration space based power
management may not otherwise be enabled.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
---
drivers/pci/hotplug/acpiphp_glue.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 2f67e9b..a70fa89 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -827,6 +827,13 @@ static int __ref enable_device(struct acpiphp_slot *slot)
acpiphp_set_hpp_values(bus);
acpiphp_set_acpi_region(slot);
pci_enable_bridges(bus);
+
+ list_for_each_entry(dev, &bus->devices, bus_list) {
+ /* Assume that newly added devices are powered on already. */
+ if (!dev->is_added)
+ dev->current_state = PCI_D0;
+ }
+
pci_bus_add_devices(bus);

list_for_each_entry(func, &slot->funcs, sibling) {
--
1.7.2.5


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