Revert "ALSA: pcm: Use SG-buffer only when direct DMA is available"
This reverts commit 3ad796cb ("ALSA: pcm: Use SG-buffer only when direct DMA is available") also the modification commit 467fd0e8 ("ALSA: pcm: Fix build error on m68k and others"). Poking the DMA internal helper is a layer violation, so we should avoid that. Meanwhile the actual bug has been addressed by the Kconfig fix in commit dbed452a ("dma-pool: decouple DMA_REMAP from DMA_COHERENT_POOL"), so we can live without this hack. Link: https://lore.kernel.org/r/20200717064130.22957-1-tiwai@suse.de Signed-off-by:Takashi Iwai <tiwai@suse.de>
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