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-rw-r--r--arch/x86/pci/common.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 0cb52ae0a8f0..190e718694b1 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -735,6 +735,15 @@ void pcibios_disable_device (struct pci_dev *dev)
pcibios_disable_irq(dev);
}
+#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
+void pcibios_release_device(struct pci_dev *dev)
+{
+ if (atomic_dec_return(&dev->enable_cnt) >= 0)
+ pcibios_disable_device(dev);
+
+}
+#endif
+
int pci_ext_cfg_avail(void)
{
if (raw_pci_ext_ops)