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authorJiang Liu <jiang.liu@linux.intel.com>2015-06-10 16:54:59 +0800
committerBjorn Helgaas <bhelgaas@google.com>2015-07-30 14:05:57 -0500
commit991de2e59090e55c65a7f59a049142e3c480f7bd (patch)
treeb6b31c900abc49312c0306b4a0d596d74a22f71c /drivers/acpi/pci_irq.c
parent890e4847587fcff5eb0438e90992ad7d2a261f33 (diff)
downloadlinux-991de2e59090e55c65a7f59a049142e3c480f7bd.tar.bz2
PCI, x86: Implement pcibios_alloc_irq() and pcibios_free_irq()
To support IOAPIC hotplug, we need to allocate PCI IRQ resources on demand and free them when not used anymore. Implement pcibios_alloc_irq() and pcibios_free_irq() to dynamically allocate and free PCI IRQs. Remove mp_should_keep_irq(), which is no longer used. [bhelgaas: changelog] Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/acpi/pci_irq.c')
-rw-r--r--drivers/acpi/pci_irq.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 304eccb0ae5c..d1aad6900b4c 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -484,14 +484,6 @@ void acpi_pci_irq_disable(struct pci_dev *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;
@@ -512,5 +504,6 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
if (gsi >= 0) {
acpi_unregister_gsi(gsi);
dev->irq_managed = 0;
+ dev->irq = 0;
}
}