From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: [PATCH] acpiphp: assume device is in state D0 after powering on a slot. Date: Wed, 11 May 2011 09:14:05 -0700 Message-ID: <20110511091405.1266a34e@jbarnes-desktop> References: <20110511084354.49eee757@jbarnes-desktop> <1305129632-2646-1-git-send-email-ian.campbell@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1305129632-2646-1-git-send-email-ian.campbell@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Ian Campbell Cc: linux-pci@vger.kernel.org, xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org, Stefano Stabellini List-Id: xen-devel@lists.xenproject.org On Wed, 11 May 2011 17:00:32 +0100 Ian Campbell wrote: > Devices which do not support PCI configuration space based power > management may not otherwise be enabled. > > Signed-off-by: Ian Campbell > --- > 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) { applied to linux-next, thanks. -- Jesse Barnes, Intel Open Source Technology Center