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Commit eca0d467 authored by Matthew Garrett's avatar Matthew Garrett Committed by Bjorn Helgaas
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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: default avatarMatthew Garrett <mjg@redhat.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Tested-by: default avatarSeth Forshee <seth.forshee@canonical.com>
parent dd5fc854

drivers/pci/bus.c

+5 −0
Original line number Diff line number Diff line
@@ -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;

drivers/pci/pci.c

+13 −0
Original line number Diff line number Diff line
@@ -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

include/linux/pci.h

+1 −0
Original line number Diff line number Diff line
@@ -1592,6 +1592,7 @@ void pcibios_disable_device(struct pci_dev *dev); 
void pcibios_set_master(struct pci_dev *dev);

int pcibios_set_pcie_reset_state(struct pci_dev *dev,

				 enum pcie_reset_state state);

int pcibios_add_device(struct pci_dev *dev);



#ifdef CONFIG_PCI_MMCONFIG

extern void __init pci_mmcfg_early_init(void);