From: Ian Campbell <ian.campbell@citrix.com>
To: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: linux-pci@vger.kernel.org, Ian Campbell <ian.campbell@citrix.com>,
xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org,
Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>
Subject: [PATCH] acpiphp: assume device is in state D0 after powering on a slot.
Date: Wed, 11 May 2011 17:00:32 +0100 [thread overview]
Message-ID: <1305129632-2646-1-git-send-email-ian.campbell@citrix.com> (raw)
In-Reply-To: <20110511084354.49eee757@jbarnes-desktop>
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
next prev parent reply other threads:[~2011-05-11 16:00 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-28 16:20 [RFC PATCH] set current_state to D0 in register_slot Stefano Stabellini
2011-03-04 18:42 ` Jesse Barnes
2011-03-07 15:01 ` Stefano Stabellini
2011-03-08 14:50 ` [Xen-devel] " Ian Campbell
2011-03-08 16:17 ` Ian Campbell
2011-03-16 12:34 ` Stefano Stabellini
2011-03-16 15:32 ` Jesse Barnes
2011-03-16 16:13 ` Stefano Stabellini
2011-05-11 13:33 ` Ian Campbell
2011-05-11 15:43 ` [Xen-devel] " Jesse Barnes
2011-05-11 16:00 ` Ian Campbell [this message]
2011-05-11 16:14 ` [PATCH] acpiphp: assume device is in state D0 after powering on a slot Jesse Barnes
2011-05-12 9:21 ` Ian Campbell
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