diff options
Diffstat (limited to 'drivers/usb/core/usb.c')
| -rw-r--r-- | drivers/usb/core/usb.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index ebb29caa3fe4..ffa5cf13ffe1 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -36,6 +36,7 @@ #include <linux/mutex.h> #include <linux/workqueue.h> #include <linux/debugfs.h> +#include <linux/usb/of.h> #include <asm/io.h> #include <linux/scatterlist.h> @@ -241,7 +242,7 @@ static int __each_dev(struct device *dev, void *data) if (!is_usb_device(dev)) return 0; - return arg->fn(container_of(dev, struct usb_device, dev), arg->data); + return arg->fn(to_usb_device(dev), arg->data); } /** @@ -397,7 +398,7 @@ struct device_type usb_device_type = { /* Returns 1 if @usb_bus is WUSB, 0 otherwise */ static unsigned usb_bus_is_wusb(struct usb_bus *bus) { - struct usb_hcd *hcd = container_of(bus, struct usb_hcd, self); + struct usb_hcd *hcd = bus_to_hcd(bus); return hcd->wireless; } @@ -470,6 +471,7 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent, dev->route = 0; dev->dev.parent = bus->controller; + dev->dev.of_node = bus->controller->of_node; dev_set_name(&dev->dev, "usb%d", bus->busnum); root_hub = 1; } else { @@ -494,6 +496,14 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent, dev->dev.parent = &parent->dev; dev_set_name(&dev->dev, "%d-%s", bus->busnum, dev->devpath); + if (!parent->parent) { + /* device under root hub's port */ + port1 = usb_hcd_find_raw_port_number(usb_hcd, + port1); + } + dev->dev.of_node = usb_of_get_child_node(parent->dev.of_node, + port1); + /* hub driver sets up TT records */ } @@ -1115,6 +1125,7 @@ static void __exit usb_exit(void) bus_unregister(&usb_bus_type); usb_acpi_unregister(); usb_debugfs_cleanup(); + idr_destroy(&usb_bus_idr); } subsys_initcall(usb_init); |