Messages in this thread | | | From | "S, Venkatraman" <> | Date | Fri, 21 Sep 2012 22:47:30 +0530 | 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 PM, S, Venkatraman <svenkatr@ti.com> 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 ?
If you are adventurous, this can be a generic mmc DT binding instead of restricting it to OMAP.
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