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path: root/drivers/acpi/pci_irq.c
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Diffstat (limited to 'drivers/acpi/pci_irq.c')
-rw-r--r--drivers/acpi/pci_irq.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index d30184c7f3bc..c8e169e46673 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -406,7 +406,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
return 0;
}
- if (pci_has_managed_irq(dev))
+ if (dev->irq_managed && dev->irq > 0)
return 0;
entry = acpi_pci_irq_lookup(dev, pin);
@@ -451,7 +451,8 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
kfree(entry);
return rc;
}
- pci_set_managed_irq(dev, rc);
+ dev->irq = rc;
+ dev->irq_managed = 1;
if (link)
snprintf(link_desc, sizeof(link_desc), " -> Link[%s]", link);
@@ -474,9 +475,17 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
u8 pin;
pin = dev->pin;
- if (!pin || !pci_has_managed_irq(dev))
+ if (!pin || !dev->irq_managed || dev->irq <= 0)
return;
+ /* Keep IOAPIC pin configuration when suspending */
+ if (dev->dev.power.is_prepared)
+ return;
+#ifdef CONFIG_PM
+ if (dev->dev.power.runtime_status == RPM_SUSPENDING)
+ return;
+#endif
+
entry = acpi_pci_irq_lookup(dev, pin);
if (!entry)
return;
@@ -496,6 +505,6 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
dev_dbg(&dev->dev, "PCI INT %c disabled\n", pin_name(pin));
if (gsi >= 0) {
acpi_unregister_gsi(gsi);
- pci_reset_managed_irq(dev);
+ dev->irq_managed = 0;
}
}