dw_dmac: backlink to dw_dma in dw_dma_chan is superfluous
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Thu, 10 Jan 2013 08:53:05 +0000 (10:53 +0200)
committerVinod Koul <vinod.koul@intel.com>
Sat, 12 Jan 2013 13:07:23 +0000 (05:07 -0800)
The same information could be extracted from the struct dma_chan.
The patch introduces helper function dwc_get_data_width() as well.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

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