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由 Takashi Iwai 提交于
We check the availability of dma_mmap_coherent() in hw_support_mmap() but with an ugly ifdef of lots of arch-checks. Now we have a nice CONFIG_ARCH_NO_COHERENT_DMA_MMAP kconfig, and this can be used together with CONFIG_HAS_DMA check for a cleaner and more comprehensive check. Signed-off-by: NTakashi Iwai <tiwai@suse.de>85dc0f85