Commit 7b77061f authored by Wei Yang's avatar Wei Yang Committed by Michael Ellerman
Browse files

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: default avatarWei Yang <weiyang@linux.vnet.ibm.com>
Reviewed-by: default avatarGavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent c194f7ea

drivers/pci/bus.c

+3 −0
Original line number Diff line number Diff line
@@ -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);

include/linux/pci.h

+1 −0
Original line number Diff line number Diff line
@@ -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 *);

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