diff options
Diffstat (limited to 'drivers/pci/pci-uclass.c')
| -rw-r--r-- | drivers/pci/pci-uclass.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c index 2cf55cb743..824fa11907 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -1007,12 +1007,26 @@ static int pci_uclass_post_probe(struct udevice *bus) return 0; } -static int pci_uclass_child_post_bind(struct udevice *dev) +int pci_get_devfn(struct udevice *dev) { - struct pci_child_platdata *pplat; struct fdt_pci_addr addr; int ret; + /* Extract the devfn from fdt_pci_addr */ + ret = ofnode_read_pci_addr(dev_ofnode(dev), FDT_PCI_SPACE_CONFIG, + "reg", &addr); + if (ret) { + if (ret != -ENOENT) + return -EINVAL; + } + + return addr.phys_hi & 0xff00; +} + +static int pci_uclass_child_post_bind(struct udevice *dev) +{ + struct pci_child_platdata *pplat; + if (!dev_of_valid(dev)) return 0; @@ -1022,14 +1036,7 @@ static int pci_uclass_child_post_bind(struct udevice *dev) ofnode_read_pci_vendev(dev_ofnode(dev), &pplat->vendor, &pplat->device); /* Extract the devfn from fdt_pci_addr */ - ret = ofnode_read_pci_addr(dev_ofnode(dev), FDT_PCI_SPACE_CONFIG, "reg", - &addr); - if (ret) { - if (ret != -ENOENT) - return -EINVAL; - } else { - pplat->devfn = addr.phys_hi & 0xff00; - } + pplat->devfn = pci_get_devfn(dev); return 0; } |