[RFC PATCH 0/7] usb: gadget: add reset API at usb_gadget_driver

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Hi Felipe & Alan,

It is the follow-up for:
http://www.spinics.net/lists/linux-usb/msg112193.html

This patchset adds reset API at usb_gadget_driver, the UDC driver
can call it at bus_reset handler instead of calling disconnect.
The benefits of this patchset are:
- We can let the gadget driver do different things for bus reset.
and host is disconnected, eg, whether pull down dp or not.
- Match kernel doc for disconnect API, it says it is invoked
"when the host is disconnected".
- Will be more match for the real things the gadget driver
does for connect and disconnect, when we introduce connect API later.

The reason for I mark RFC is I don't add the modification for mass
UDC driver changes, if you consider this patchset is ok, I will
add them without RFC later.

Peter Chen (7):
  usb: gadget: add reset API at usb_gadget_driver
  usb: gadget: composite: add reset API at usb_gadget_driver
  usb: gadget: configfs: add reset API at usb_gadget_driver
  usb: gadget: gadgetfs: add reset API at usb_gadget_driver
  usb: gadget: dbgp: add reset API at usb_gadget_driver
  usb: gadget: udc-core: delete usb_gadget_disconnect at
    usb_gadget_remove_driver
  usb: gadget: udc-core: call gadget driver's disconnect at soft
    disconnect

 drivers/usb/gadget/composite.c    |   13 ++++++++++++-
 drivers/usb/gadget/configfs.c     |    1 +
 drivers/usb/gadget/legacy/dbgp.c  |   14 +++++++++++++-
 drivers/usb/gadget/legacy/inode.c |   16 +++++++++++++++-
 drivers/usb/gadget/udc/udc-core.c |    3 +--
 include/linux/usb/composite.h     |    1 +
 include/linux/usb/gadget.h        |    2 ++
 7 files changed, 45 insertions(+), 5 deletions(-)

-- 
1.7.9.5

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