Merge branch 'for-v3.16' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping...

Pull CMA and DMA-mapping fixes from Marek Szyprowski:
 "A few fixes for dma-mapping and CMA subsystems"

* 'for-v3.16' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
  CMA: correct unlock target
  drivers/base/dma-contiguous.c: erratum of dev_get_cma_area
  arm: dma-mapping: add checking cma area initialized
  arm: dma-iommu: Clean up redundant variable
  cma: Remove potential deadlock situation