dw_dmac: introduce dwc_dump_chan_regs to dump registers
There is three places where values of the most significant registers were printed. Make such piece of code as separate function. Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: NViresh Kumar <viresh.linux@gmail.com> Signed-off-by: NVinod Koul <vinod.koul@linux.intel.com>
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