On 07/01/2014 07:41 PM, Stephen Warren wrote:
From: Stephen Warren <swar...@nvidia.com>

This is a series of small fixes and cleanups either required by those
fixes, or enabled now that the fixes are made.

I hope that either patch 1 or 4 might fix the issues Jörg is seeing, but
I'm not sure that will happen. The other patches shouldn't change any
behaviour.

Stephen Warren (6):
   usb: ci_udc: fix ci_flush_{qh,qtd} calls in ci_udc_probe()
   usb: ci_udc: don't assume QTDs are adjacent when transmitting ZLPs
   usb: ci_udc: lift ilist size calculations to global scope
   usb: ci_udc: fix items array size/stride calculation
   usb: ci_udc: remove controller.items array
   usb: ci_udc: don't memalign() struct ci_req allocations

  drivers/usb/gadget/ci_udc.c | 62 ++++++++++++++++++++++-----------------------
  drivers/usb/gadget/ci_udc.h |  1 -
  2 files changed, 30 insertions(+), 33 deletions(-)


Good news! The last patch usb: ci_udc: don't memalign() struct ci_req allocations removes the timeout error after starting the fourth run of tftp in a row.

This is how I tested. Checked out u-boot-usb/master branch. Applied the necessary patches to support our board. Applied the patches step after step. After applying a patch reset the board and run tftp from console until an error occured, which is always the fourth run. This is the case until applying patch usb: ci_udc: don't memalign() struct ci_req allocations, which throws no timeout error within running tftp about 60 times in a row.


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