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PCI: Introduce pci_rescan_bus()

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This API is used by the PCI core to rescan a bus and rediscover
newly added devices.

Over time, it is expected that the various PCI hotplug drivers
will migrate to this interface and away from the old
pci_do_scan_bus() interface.

Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Alex Chiang
2009-03-20 14:56:25 -06:00
committed by Jesse Barnes
parent 9dd90cafa7
commit 3ed4fd96b3
3 changed files with 38 additions and 3 deletions
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3
include/linux/pci.h
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@ -726,6 +726,9 @@ int pci_back_from_sleep(struct pci_dev *dev);
/* Functions for PCI Hotplug drivers to use */
int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap);
#ifdef CONFIG_HOTPLUG
unsigned int pci_rescan_bus(struct pci_bus *bus);
#endif
/* Vital product data routines */
ssize_t pci_read_vpd(struct pci_dev *dev, loff_t pos, size_t count, void *buf);