Jesse, do you have any comments on the following patch? Also, are you OK with taking "set current_state to D0 in register_slot" in your tree? Otherwise should I send a pull request to Linus with the patch and your ack? Cheers, Stefano On Tue, 8 Mar 2011, Ian Campbell wrote: > From 5cb5d576e7177762abe29cfba3f616c48e619145 Mon Sep 17 00:00:00 2001 > From: Ian Campbell <ian.campbell@xxxxxxxxxx> > Date: Tue, 8 Mar 2011 16:16:34 +0000 > Subject: [PATCH] acpiphp: assume device is in state D0 after powering on a slot. > > Devices which do not support PCI configuration space based power > management may not otherwise be enabled. > > Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx> > --- > 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 e610cfe..a502fef 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) { > -- > 1.5.6.5 > > > > -- > Ian Campbell > Current Noise: Behemoth - Daimonos > > Unix is a Registered Bell of AT&T Trademark Laboratories. > -- Donn Seeley > > -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html