On Wednesday 11 July 2012, Kukjin Kim wrote: > Yeah, let me explain the status for Samsung SoCs' DMA. There are 3 different > DMA IPs, samsung specific s3c24xx dma, pl080 and pl330. As you know, pl330 > already moved in drivers/dma for using common DMA engine and Alim is > re-working on pl080 > (http://www.mail-archive.com/linux-samsung-soc@xxxxxxxxxxxxxxx/msg10954.html > ) and let me check its progress. But s3c24xx dma is not ready yet. When > pl330 was moving, my colleague, Boojin Kim posted to use common DMA APIs for > Samsung drivers which are using DMA such as spi and ASoC. But it was > including too many ifdef for checking which DMA is used and it can occur > breakage for multiplatform > (http://www.spinics.net/lists/arm-kernel/msg131137.html). So we implemented > to use some dma_ops after discussing with Grant Likely > (http://lists.infradead.org/pipermail/linux-arm-kernel/2011-July/058171.html > ). > > Anyway, we will try to use common DMA APIs for all Samsung SoCs. But need > more time ;) Ok, sounds good. Thanks for the background information! Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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