From 5c0bf647c4e1659fdeb83a66f56ec27add72b561 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sun, 29 Nov 2015 13:17:50 -0700 Subject: dm: pci: Add a driver-model version of pci_find_device() Add a function which scans the driver model device information rather than scanning the PCI bus again. Signed-off-by: Simon Glass Reviewed-by: Bin Meng Tested-by: Bin Meng --- include/pci.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include') diff --git a/include/pci.h b/include/pci.h index 182290c3c2..347dd0af59 100644 --- a/include/pci.h +++ b/include/pci.h @@ -1166,6 +1166,18 @@ struct udevice *pci_get_controller(struct udevice *dev); int pci_get_regions(struct udevice *dev, struct pci_region **iop, struct pci_region **memp, struct pci_region **prefp); +/** + * dm_pci_find_device() - find a device by vendor/device ID + * + * @vendor: Vendor ID + * @device: Device ID + * @index: 0 to find the first match, 1 for second, etc. + * @devp: Returns pointer to the device, if found + * @return 0 if found, -ve on error + */ +int dm_pci_find_device(unsigned int vendor, unsigned int device, int index, + struct udevice **devp); + /** * struct dm_pci_emul_ops - PCI device emulator operations */ -- cgit v1.2.1