Messages in this thread | | | From | "S, Venkatraman" <> | Date | Fri, 21 Sep 2012 22:45:29 +0530 | Subject | Re: [RFC PATCH 08/13] mmc: omap_hsmmc: limit max_segs with the EDMA DMAC |
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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 ?
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