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path: root/drivers/pci/pci-driver.c
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Diffstat (limited to 'drivers/pci/pci-driver.c')
-rw-r--r--drivers/pci/pci-driver.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 3cb2210de553..52a880ca1768 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -388,18 +388,31 @@ static int __pci_device_probe(struct pci_driver *drv, struct pci_dev *pci_dev)
return error;
}
+int __weak pcibios_alloc_irq(struct pci_dev *dev)
+{
+ return 0;
+}
+
+void __weak pcibios_free_irq(struct pci_dev *dev)
+{
+}
+
static int pci_device_probe(struct device *dev)
{
- int error = 0;
- struct pci_driver *drv;
- struct pci_dev *pci_dev;
+ int error;
+ struct pci_dev *pci_dev = to_pci_dev(dev);
+ struct pci_driver *drv = to_pci_driver(dev->driver);
+
+ error = pcibios_alloc_irq(pci_dev);
+ if (error < 0)
+ return error;
- drv = to_pci_driver(dev->driver);
- pci_dev = to_pci_dev(dev);
pci_dev_get(pci_dev);
error = __pci_device_probe(drv, pci_dev);
- if (error)
+ if (error) {
+ pcibios_free_irq(pci_dev);
pci_dev_put(pci_dev);
+ }
return error;
}
@@ -415,6 +428,7 @@ static int pci_device_remove(struct device *dev)
drv->remove(pci_dev);
pm_runtime_put_noidle(dev);
}
+ pcibios_free_irq(pci_dev);
pci_dev->driver = NULL;
}