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[V12,2/9] PCI: Add pcibios_bus_add_device() weak function

Message ID 1446607732-4166-3-git-send-email-weiyang@linux.vnet.ibm.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Wei Yang Nov. 4, 2015, 3:28 a.m. UTC 
Add a weak function pcibios_bus_add_device() for arch dependent code could
do proper setup. For example, powerpc could setup EEH related resources.

Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
---
 drivers/pci/bus.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index d3346d2..2b8b756 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -269,6 +269,7 @@  bool pci_bus_clip_resource(struct pci_dev *dev, int idx)
 
 void __weak pcibios_resource_survey_bus(struct pci_bus *bus) { }
 
+void __weak pcibios_bus_add_device(struct pci_dev *dev) { }
 /**
  * pci_bus_add_device - start driver for a single device
  * @dev: device to add
@@ -279,6 +280,8 @@  void pci_bus_add_device(struct pci_dev *dev)
 {
 	int retval;
 
+	pcibios_bus_add_device(dev);
+
 	/*
 	 * Can not put in pci_device_add yet because resources
 	 * are not assigned yet for some devices.