Re: [PATCH v3] ad7877: keep dma rx buffers in seperate cache lines

From: Pekka Enberg
Date: Tue May 11 2010 - 16:38:48 EST


Mike Frysinger wrote:
that is a question for David/Grant. i'm not the SPI core maintainer,
i'm merely watching over some SPI drivers. however, this answer also
doesnt sound like it's thinking big enough because what you're
proposing isnt specific to the SPI bus -- any time a DMA safe buffer
is needed dynamically, this function could be used.

Well, we have dma_alloc_coherent(), shouldn't you be using that instead?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/