wait_for_completion in mmc_wait_for_req_done never returns

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I'm porting an arm board from linux-3.10 to linux-3.12 and found that I can no longer detect the SD card. I found that the wait_for_completion(&mrq->completion) in drivers/mmc/core/core.c:mmc_wait_for_req_done() is never returning.

I was able to bisect the problem to this commit:
  0244ad004a54e39308d495fee0a2e637f8b5c317 is the first bad commit
  commit 0244ad004a54e39308d495fee0a2e637f8b5c317
  Author: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
  Date:   Fri Aug 30 09:39:53 2013 +0200
  
  Remove GENERIC_HARDIRQ config option
  
  After the last architecture switched to generic hard irqs the config
  options HAVE_GENERIC_HARDIRQS & GENERIC_HARDIRQS and the related code
  for !CONFIG_GENERIC_HARDIRQS can be removed.
  
  Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>

I'm not sure what I should do to fix the problem. Does anyone have any suggestions?

Thanks,
Jon Ringle--
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