Messages in this thread | | | Date | Fri, 21 Sep 2012 19:47:21 +0100 | From | Russell King - ARM Linux <> | Subject | Re: [RFC PATCH 08/13] mmc: omap_hsmmc: limit max_segs with the EDMA DMAC |
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On Fri, Sep 21, 2012 at 10:45:29PM +0530, S, Venkatraman wrote: > On Thu, Sep 20, 2012 at 8:13 PM, Matt Porter <mporter@ti.com> wrote: > > The EDMA DMAC has a hardware limitation that prevents supporting > > scatter gather lists with any number of segments. Since the EDMA > > DMA Engine driver sets the maximum segments to 16, we do the > > same. > > > > Note: this can be removed once the DMA Engine API supports an > > API to query the DMAC's segment limitations. > > > > I wouldn't want to bind the properties of EDMA to omap_hsmmc as this patch > suggests. Why don't we have a max_segs property, which when explicitly specified > in DT, will override the default ?
Why not have a generic way that DMA engine can export these kinds of properties?
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