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由 Russell King - ARM Linux 提交于
There is no need to wait until we start processing a tx descriptor before setting up the DMA request selection in the ccfg register. We know which channel and request will be used in prep_phy_channel(), so setup the ccfg request selection at txd creation time in prep_phy_channel(). Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk> Acked-by: NLinus Walleij <linus.walleij@stericsson.com> Signed-off-by: NDan Williams <dan.j.williams@intel.com>
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