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PCI: Add pcibios_bus_add_device() weak function 

This adds weak function pcibios_bus_add_device() for arch dependent
code could do proper setup. For example, powerpc could setup EEH
related resources for SRIOV VFs.

Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com>
Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
hifive-unleashed-5.1
Wei Yang 2016-03-04 10:53:04 +11:00 committed by Michael Ellerman
parent c194f7ea7f
commit 7b77061f8d
2 changed files with 4 additions and 0 deletions
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3
drivers/pci/bus.c
View File

@ -271,6 +271,8 @@ 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 *pdev) { }
/**
* pci_bus_add_device - start driver for a single device
* @dev: device to add
@ -285,6 +287,7 @@ void pci_bus_add_device(struct pci_dev *dev)
* Can not put in pci_device_add yet because resources
* are not assigned yet for some devices.
*/
pcibios_bus_add_device(dev);
pci_fixup_device(pci_fixup_final, dev);
pci_create_sysfs_dev_files(dev);
pci_proc_attach_device(dev);

1
include/linux/pci.h
View File

@ -770,6 +770,7 @@ extern struct list_head pci_root_buses; /* list of all known PCI buses */
int no_pci_devices(void);
void pcibios_resource_survey_bus(struct pci_bus *bus);
void pcibios_bus_add_device(struct pci_dev *pdev);
void pcibios_add_bus(struct pci_bus *bus);
void pcibios_remove_bus(struct pci_bus *bus);
void pcibios_fixup_bus(struct pci_bus *);