dw_dmac: get number of channels from hardware if possible

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In case the controller has the encoded parameters feature enabled the driver
will use it to get the number of channels. In the future it will be used for
the other important parameters 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@linux.intel.com>

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Andy Shevchenko 2012-09-21 15:05:46 +03:00 • committed by Vinod Koul

parent 2a9fe9ae3a

commit 482c67ea7b

1 changed files with 23 additions and 10 deletions

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33

drivers/dma/dw_dmac.c

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