diff options
Diffstat (limited to 'drivers/pci/of.c')
| -rw-r--r-- | drivers/pci/of.c | 45 |
1 files changed, 22 insertions, 23 deletions
diff --git a/drivers/pci/of.c b/drivers/pci/of.c index 22727fc9558d..2ebc5e32e8a0 100644 --- a/drivers/pci/of.c +++ b/drivers/pci/of.c @@ -521,28 +521,26 @@ int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin) EXPORT_SYMBOL_GPL(of_irq_parse_and_map_pci); #endif /* CONFIG_OF_IRQ */ -int pci_parse_request_of_pci_ranges(struct device *dev, - struct list_head *resources, - struct list_head *ib_resources, - struct resource **bus_range) +static int pci_parse_request_of_pci_ranges(struct device *dev, + struct pci_host_bridge *bridge) { int err, res_valid = 0; resource_size_t iobase; struct resource_entry *win, *tmp; - INIT_LIST_HEAD(resources); - if (ib_resources) - INIT_LIST_HEAD(ib_resources); - err = devm_of_pci_get_host_bridge_resources(dev, 0, 0xff, resources, - ib_resources, &iobase); + INIT_LIST_HEAD(&bridge->windows); + INIT_LIST_HEAD(&bridge->dma_ranges); + + err = devm_of_pci_get_host_bridge_resources(dev, 0, 0xff, &bridge->windows, + &bridge->dma_ranges, &iobase); if (err) return err; - err = devm_request_pci_bus_resources(dev, resources); + err = devm_request_pci_bus_resources(dev, &bridge->windows); if (err) - goto out_release_res; + return err; - resource_list_for_each_entry_safe(win, tmp, resources) { + resource_list_for_each_entry_safe(win, tmp, &bridge->windows) { struct resource *res = win->res; switch (resource_type(res)) { @@ -557,24 +555,25 @@ int pci_parse_request_of_pci_ranges(struct device *dev, case IORESOURCE_MEM: res_valid |= !(res->flags & IORESOURCE_PREFETCH); break; - case IORESOURCE_BUS: - if (bus_range) - *bus_range = res; - break; } } - if (res_valid) + if (!res_valid) + dev_warn(dev, "non-prefetchable memory resource required\n"); + + return 0; +} + +int devm_of_pci_bridge_init(struct device *dev, struct pci_host_bridge *bridge) +{ + if (!dev->of_node) return 0; - dev_err(dev, "non-prefetchable memory resource required\n"); - err = -EINVAL; + bridge->swizzle_irq = pci_common_swizzle; + bridge->map_irq = of_irq_parse_and_map_pci; - out_release_res: - pci_free_resource_list(resources); - return err; + return pci_parse_request_of_pci_ranges(dev, bridge); } -EXPORT_SYMBOL_GPL(pci_parse_request_of_pci_ranges); #endif /* CONFIG_PCI */ |