[PATCH v4 00/12] usb: chipidea: udc: fixes, iso ep and multi td support

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Hi all,

this series fixes an issue which leads the hardware to get stuck after
reading dirty values from the shared memory mapped QHs and TDs. It also
changes the code to be more precise with the constraints from the
datasheet.

It adds support to handle requests which spawns into several TDs. And
additionally addresses the isochronous support for the chipidea udc and
removes not needed lock state juggling.

The series is based on Alexander Shishkins ci-for-greg branch.

Regards,
Michael

Michael Grzeschik (12):
  usb: chipidea: udc: add attribute aligned(4) to shared memory structs
  usb: chipidea: udc: only clear active and halted bits in qhead
  usb: chipidea: udc: read status of td only once in hardware_dequeue
  usb: chipidea: udc: move ZLT flag change to ep_enable
  usb: chipidea: udc: rework ep_enable cap setting
  usb: chipidea: udc: configure iso endpoints
  usb: chipidea: udc: move _ep_queue into an unlocked function
  usb: chipidea: udc: use gfp_flags in _hardware_enqueue
  usb: chipidea: udc: add the define TD_PAGE_COUNT and fix all users
  usb: chipidea: udc: prepare qhead with dma_alloc_coherent
  usb: chipidea: udc: manage dynamic amount of tds with an linked list
  usb: chipidea: udc: add multiple td support to hardware_{en,de}queue

 drivers/usb/chipidea/ci.h    |  10 +-
 drivers/usb/chipidea/core.c  |   3 +-
 drivers/usb/chipidea/debug.c |  15 +-
 drivers/usb/chipidea/udc.c   | 384 ++++++++++++++++++++++++++-----------------
 drivers/usb/chipidea/udc.h   |  16 +-
 5 files changed, 265 insertions(+), 163 deletions(-)

-- 
1.8.2.rc2

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