[PATCH v5 0/5] add gadget quirk to adapt f_fs for DWC3

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Hi,

These patches are a proposal to add gadget quirks in an immediate objective to
adapt f_fs when using DWC3 controller. But the quirk solution is generic and
can be used by other controllers to adapt gadget functions to their
non-standard restrictions.

This change is necessary to make Android's adbd service to work on Intel
Merrifield with f_fs instead of out-of-tree android gadget.

This new patch set was tested and validated in my environment:
 - Intel Merrifield was able to use DWC3/f_fs with adbd service (it wasn't
   before).

Changes from v4 to v5:
 - Added 2 patches from Michal Nazarewicz to address comments from Alan Stern
   on f_fs driver.

---
David Cohen (3):
  usb: gadget: move bitflags to the end of usb_gadget struct
  usb: gadget: add quirk_ep_out_aligned_size field to struct usb_gadget
  usb: dwc3: set gadget's quirk ep_out_align_size

Michal Nazarewicz (2):
  usb: gadget: f_fs: remove loop from I/O function
  usb: f_fs: check quirk to pad epout buf size when not aligned to
    maxpacketsize

 drivers/usb/dwc3/gadget.c  |   6 +++
 drivers/usb/gadget/f_fs.c  | 115 +++++++++++++++++++++++----------------------
 include/linux/usb/gadget.h |  35 ++++++++++----
 3 files changed, 91 insertions(+), 65 deletions(-)

-- 
1.8.4.rc3

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