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NAND controller drivers can set the NAND_USE_BOUNCE_BUFFER flag to a chip 'option' field. With this flag, the core is responsible of providing DMA-able buffers. The current behavior is to not force the use of a bounce buffer when the core thinks this is not needed. So in the end the name is a bit misleading, because in theory we will always have a DMA buffer but in practice it will not always be a bounce buffer. Rename this flag NAND_USES_DMA to be more accurate. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Link: https://lore.kernel.org/linux-mtd/20200507105241.14299-4-miquel.raynal@bootlin.com |
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| linux | ||
| math-emu | ||
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| misc | ||
| net | ||
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