Messages in this thread | | | Date | Tue, 5 Feb 2013 10:28:49 -0800 | From | Tony Lindgren <> | Subject | Re: [PATCH v7 01/10] ARM: davinci: move private EDMA API to arm/common |
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* Felipe Balbi <balbi@ti.com> [130204 07:46]: > > Current DMA abstraction is quite poor, for example there's no way to > compile support for multiple DMA engines. Code also makes certain, IMO > unnecessary, assumptions about the underlying DMA engine (abstraction is > poor, as said above but it we could follow MUSB's programming guide when > it comes to programming DMA transfers). > > Considering all of the above, it's far better to use DMA engine and get > rid of all the mess.
How about just disable MUSB DMA support if ARCH_MULTIPLATFORM for now? That way MUSB can be fixed up first to support ARCH_MULTIPLATFORM using PIO while sorting out the DMA related issues.
Regards,
Tony
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