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dmaengine/dw_dmac: implement pause and resume in dwc_control
authorLinus Walleij <linus.walleij@linaro.org>
Tue, 19 Apr 2011 00:31:32 +0000 (08:31 +0800)
committerVinod Koul <vinod.koul@intel.com>
Fri, 13 May 2011 14:10:15 +0000 (19:40 +0530)
Some peripherals like amba-pl011 needs pause to be implemented in DMA controller
drivers. This also returns correct status from dwc_tx_status() in case chan is
paused.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

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