return 0;
}
+int pci_get_devfn(struct udevice *dev)
+{
+ 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;
- struct fdt_pci_addr addr;
int ret;
if (!dev_of_valid(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);
+ if (ret < 0)
+ return ret;
return 0;
}
int sandbox_pci_get_emul(struct udevice *bus, pci_dev_t find_devfn,
struct udevice **containerp, struct udevice **emulp);
+/**
+ * pci_get_devfn() - Extract the devfn from fdt_pci_addr of the device
+ *
+ * Get devfn from fdt_pci_addr of the specifified device
+ *
+ * @dev: PCI device
+ * @return devfn in bits 15...8 if found, -ENODEV if not found
+ */
+int pci_get_devfn(struct udevice *dev);
+
#endif /* CONFIG_DM_PCI */
/**