diff options
| -rw-r--r-- | drivers/usb/gadget/f_mass_storage.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c index d0806bae145b..9fa0c222da1c 100644 --- a/drivers/usb/gadget/f_mass_storage.c +++ b/drivers/usb/gadget/f_mass_storage.c @@ -347,6 +347,7 @@ struct fsg_operations { /* Data shared by all the FSG instances. */ struct fsg_common { struct usb_gadget *gadget; + struct usb_composite_dev *cdev; struct fsg_dev *fsg, *new_fsg; wait_queue_head_t fsg_wait; @@ -2440,7 +2441,7 @@ static int fsg_set_alt(struct usb_function *f, unsigned intf, unsigned alt) struct fsg_dev *fsg = fsg_from_func(f); fsg->common->new_fsg = fsg; raise_exception(fsg->common, FSG_STATE_CONFIG_CHANGE); - return 0; + return USB_GADGET_DELAYED_STATUS; } static void fsg_disable(struct usb_function *f) @@ -2568,6 +2569,8 @@ static void handle_exception(struct fsg_common *common) case FSG_STATE_CONFIG_CHANGE: do_set_interface(common, common->new_fsg); + if (common->new_fsg) + usb_composite_setup_continue(common->cdev); break; case FSG_STATE_EXIT: @@ -2734,6 +2737,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common, common->gadget = gadget; common->ep0 = gadget->ep0; common->ep0req = cdev->req; + common->cdev = cdev; /* Maybe allocate device-global string IDs, and patch descriptors */ if (fsg_strings[FSG_STRING_INTERFACE].id == 0) { |