On 25/10/14 17:15, Stefano Stabellini wrote: > On Sat, 25 Oct 2014, Ian Campbell wrote: >> On Sat, 2014-10-25 at 14:29 +0100, Stefano Stabellini wrote: >>> >>> Your suggestions and looking more at the code gave me another idea, that >>> I think is clean and at the same time suitable for 3.18. >>> What do you think of the following? It is simple, self-contained and >>> doesn't need a new flag in struct device. >> >> of_dma_is_coherent looks to be quite expensive though (walks up the >> Device Tree doing strcmps on each property of each node until it finds >> the one it is looking for. > > It takes spin_locks too! > Too bad, I think I'll have to ditch it. In that case I'l try the new > flag in struct device approach.
If you're having to make changes to struct device, this is looking like a series for 3.19 (not 3.18). David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
