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authorMatthew Garrett <mjg@redhat.com>2012-12-05 14:33:27 -0700
committerBjorn Helgaas <bhelgaas@google.com>2012-12-05 14:38:26 -0700
commiteca0d4676d8e29c209ddce0c0c1755472ffc70a6 (patch)
tree0455ac26c96f0a383665fe353d28dbeaa3e1f14b /drivers/pci
parentdd5fc854de5fd37adfcef8a366cd21a55aa01d3d (diff)
downloadop-kernel-dev-eca0d4676d8e29c209ddce0c0c1755472ffc70a6.zip
op-kernel-dev-eca0d4676d8e29c209ddce0c0c1755472ffc70a6.tar.gz
PCI: Add pcibios_add_device
Platforms may want to provide architecture-specific functionality during PCI enumeration. Add a pcibios_add_device() call that architectures can override to do so. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Tested-by: Seth Forshee <seth.forshee@canonical.com>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/bus.c5
-rw-r--r--drivers/pci/pci.c13
2 files changed, 18 insertions, 0 deletions
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 6241fd0..4f22fa1 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -170,6 +170,11 @@ int pci_bus_add_device(struct pci_dev *dev)
int retval;
pci_fixup_device(pci_fixup_final, dev);
+
+ retval = pcibios_add_device(dev);
+ if (retval)
+ return retval;
+
retval = device_add(&dev->dev);
if (retval)
return retval;
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 5485883..fa0ddd5 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1333,6 +1333,19 @@ void pcim_pin_device(struct pci_dev *pdev)
dr->pinned = 1;
}
+/*
+ * pcibios_add_device - provide arch specific hooks when adding device dev
+ * @dev: the PCI device being added
+ *
+ * Permits the platform to provide architecture specific functionality when
+ * devices are added. This is the default implementation. Architecture
+ * implementations can override this.
+ */
+int __weak pcibios_add_device (struct pci_dev *dev)
+{
+ return 0;
+}
+
/**
* pcibios_disable_device - disable arch specific PCI resources for device dev
* @dev: the PCI device to disable
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