Messages in this thread | | | From | akepner@sgi ... | Date | Mon, 20 Aug 2007 09:07:09 -0700 | Subject | Re: [PATCH 2/3] dma: override "dma_flags_set_dmaflush" for sn-ia64 |
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On Mon, Aug 20, 2007 at 10:24:53AM +0200, Jes Sorensen wrote:
> I'm a little concerned about changing the API for the dma_ foo > functions, which are defined cross platform. If you want to change > that, I think it will require updating the documentation explaining > it.
Good idea. I'll post a documentation patchette.
> > Regarding ARCH_DOES_POSTED_DMA, is that sufficient as a #define or > does it have to be run-time tested? (does it do anything at this > stage). I ask since not all ia64 platforms do posted DMA. >
I think a #define is exactly what we want here.
The newly #define-ed function (for now, and maybe forever) does nothing except on IA64_SGI_SN2, which does posted DMA.
-- Arthur
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