diff options
Diffstat (limited to 'drivers/usb/core/message.c')
| -rw-r--r-- | drivers/usb/core/message.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 5a8ab77bc367..f836bae1e485 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -18,6 +18,7 @@ #include <linux/usb/cdc.h> #include <linux/usb/quirks.h> #include <linux/usb/hcd.h> /* for usbcore internals */ +#include <linux/usb/of.h> #include <asm/byteorder.h> #include "usb.h" @@ -1583,6 +1584,7 @@ static void usb_release_interface(struct device *dev) kref_put(&intfc->ref, usb_release_interface_cache); usb_put_dev(interface_to_usbdev(intf)); + of_node_put(dev->of_node); kfree(intf); } @@ -1868,6 +1870,7 @@ free_interfaces: struct usb_interface_cache *intfc; struct usb_interface *intf; struct usb_host_interface *alt; + u8 ifnum; cp->interface[i] = intf = new_interfaces[i]; intfc = cp->intf_cache[i]; @@ -1886,11 +1889,17 @@ free_interfaces: if (!alt) alt = &intf->altsetting[0]; - intf->intf_assoc = - find_iad(dev, cp, alt->desc.bInterfaceNumber); + ifnum = alt->desc.bInterfaceNumber; + intf->intf_assoc = find_iad(dev, cp, ifnum); intf->cur_altsetting = alt; usb_enable_interface(dev, intf, true); intf->dev.parent = &dev->dev; + if (usb_of_has_combined_node(dev)) { + device_set_of_node_from_dev(&intf->dev, &dev->dev); + } else { + intf->dev.of_node = usb_of_get_interface_node(dev, + configuration, ifnum); + } intf->dev.driver = NULL; intf->dev.bus = &usb_bus_type; intf->dev.type = &usb_if_device_type; @@ -1905,9 +1914,8 @@ free_interfaces: intf->minor = -1; device_initialize(&intf->dev); pm_runtime_no_callbacks(&intf->dev); - dev_set_name(&intf->dev, "%d-%s:%d.%d", - dev->bus->busnum, dev->devpath, - configuration, alt->desc.bInterfaceNumber); + dev_set_name(&intf->dev, "%d-%s:%d.%d", dev->bus->busnum, + dev->devpath, configuration, ifnum); usb_get_dev(dev); } kfree(new_interfaces); |