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由 Manuel Lauss 提交于
All Alchemy chips have coherent DMA, but for example the USB or AC97 peripherals on the Au1000/1500/1100 are not. This patch uses DMA_MAYBE_COHERENT on Alchemy and sets coherentio based on CPU type. Signed-off-by: NManuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/6576/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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