Messages in this thread | | | Subject | Re: [PATCH v4 3/7] [RFC] arm/arm64: introduce is_dma_coherent | From | Ian Campbell <> | Date | Sat, 25 Oct 2014 16:40:29 +0100 |
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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.
Ian.
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