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usb: composite: add bind_deactivated flag to usb_function

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This patch introduces 'bind_deactivated' flag in struct usb_function.
Functions which don't want to be activated automatically after bind should
set this flag, and when they start to be ready to work they should call
usb_function_activate().

When USB function sets 'bind_deactivated' flag, initial deactivation
counter is incremented automatically, so there is no need to call
usb_function_deactivate() in function bind.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Robert Baldyga
2015-05-04 14:55:13 +02:00
committed by Felipe Balbi
parent 5601250bb1
commit d5bb9b81db
2 changed files with 8 additions and 0 deletions
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2
include/linux/usb/composite.h
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@@ -228,6 +228,8 @@ struct usb_function {
struct list_head list;
DECLARE_BITMAP(endpoints, 32);
const struct usb_function_instance *fi;
unsigned int bind_deactivated:1;
};
int usb_add_function(struct usb_configuration *, struct usb_function *);