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dm: pci: Add a function to get the BDF for a device

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It is useful to be able to find the full PCI address (bus, device and
function) for a PCI device. Add a function to provide this.

Adjust the existing code to use this.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2015-07-06 16:47:46 -06:00
parent d0a5a0b2d8
commit 4b515e4fc5
3 changed files with 19 additions and 12 deletions
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8
include/pci.h
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@ -807,6 +807,14 @@ struct dm_pci_ops {
/* Get access to a PCI bus' operations */
#define pci_get_ops(dev) ((struct dm_pci_ops *)(dev)->driver->ops)
/**
* pci_get_bdf() - Get the BDF value for a device
*
* @dev: Device to check
* @return bus/device/function value (see PCI_BDF())
*/
pci_dev_t pci_get_bdf(struct udevice *dev);
/**
* pci_bind_bus_devices() - scan a PCI bus and bind devices
*