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authorAndreas Noever <andreas.noever@gmail.com>2014-06-03 22:04:09 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-06-19 14:08:41 -0700
commit7d2a01b87f1682fde87461864e6682031bfaa0a9 (patch)
tree071da51f78bd9b2091ea9663be6d0dde4069492e /drivers/pci/pci-driver.c
parent3364f0c12795713e89ae1209081c60d64bfb4ca1 (diff)
PCI: Add pci_fixup_suspend_late quirk pass
Add pci_fixup_suspend_late as a new pci_fixup_pass. The pass is called from suspend_noirq and poweroff_noirq. Using the same pass for suspend and hibernate is consistent with resume_early which is called by resume_noirq and restore_noirq. The new quirk pass is required for Thunderbolt support on Apple hardware. Signed-off-by: Andreas Noever <andreas.noever@gmail.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pci/pci-driver.c')
-rw-r--r--drivers/pci/pci-driver.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 3f8e3dbcaa7c..d04c5adafc16 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -582,7 +582,7 @@ static int pci_legacy_suspend_late(struct device *dev, pm_message_t state)
WARN_ONCE(pci_dev->current_state != prev,
"PCI PM: Device state not saved by %pF\n",
drv->suspend_late);
- return 0;
+ goto Fixup;
}
}
@@ -591,6 +591,9 @@ static int pci_legacy_suspend_late(struct device *dev, pm_message_t state)
pci_pm_set_unknown_state(pci_dev);
+Fixup:
+ pci_fixup_device(pci_fixup_suspend_late, pci_dev);
+
return 0;
}
@@ -734,7 +737,7 @@ static int pci_pm_suspend_noirq(struct device *dev)
if (!pm) {
pci_save_state(pci_dev);
- return 0;
+ goto Fixup;
}
if (pm->suspend_noirq) {
@@ -751,7 +754,7 @@ static int pci_pm_suspend_noirq(struct device *dev)
WARN_ONCE(pci_dev->current_state != prev,
"PCI PM: State of device not saved by %pF\n",
pm->suspend_noirq);
- return 0;
+ goto Fixup;
}
}
@@ -775,6 +778,9 @@ static int pci_pm_suspend_noirq(struct device *dev)
if (pci_dev->class == PCI_CLASS_SERIAL_USB_EHCI)
pci_write_config_word(pci_dev, PCI_COMMAND, 0);
+Fixup:
+ pci_fixup_device(pci_fixup_suspend_late, pci_dev);
+
return 0;
}
@@ -999,8 +1005,10 @@ static int pci_pm_poweroff_noirq(struct device *dev)
if (pci_has_legacy_pm_support(to_pci_dev(dev)))
return pci_legacy_suspend_late(dev, PMSG_HIBERNATE);
- if (!drv || !drv->pm)
+ if (!drv || !drv->pm) {
+ pci_fixup_device(pci_fixup_suspend_late, pci_dev);
return 0;
+ }
if (drv->pm->poweroff_noirq) {
int error;
@@ -1021,6 +1029,8 @@ static int pci_pm_poweroff_noirq(struct device *dev)
if (pci_dev->class == PCI_CLASS_SERIAL_USB_EHCI)
pci_write_config_word(pci_dev, PCI_COMMAND, 0);
+ pci_fixup_device(pci_fixup_suspend_late, pci_dev);
+
if (pcibios_pm_ops.poweroff_noirq)
return pcibios_pm_ops.poweroff_noirq(dev);