Cleans up various oddities found during a code audit.
- dma related cleanups for pmcraid Christoph Hellwig
- [PATCH 3/3] pmcraid: use generic DMA API Christoph Hellwig
- [PATCH 1/3] pmcraid: simplify pmcraid_cancel_all a... Christoph Hellwig
- Re: dma related cleanups for pmcraid Martin K. Petersen
