On Wed, Oct 20, 2010 at 11:45 AM, Hiroshi DOYU <Hiroshi.DOYU@xxxxxxxxx> wrote: > From: "ext felipe.contreras@xxxxxxxxx" <felipe.contreras@xxxxxxxxx> > Subject: Re: [PATCHv4 4/4] iommu: create new api to set valid da range > Date: Wed, 20 Oct 2010 10:35:50 +0200 > >> On Wed, Oct 20, 2010 at 5:48 AM, Fernando Guzman Lugo <x0095840@xxxxxx> wrote: >>> Some IOMMUs cannot use the whole 0x0 - 0xFFFFFFFF range. >>> With this new API the valid range can be set. >>> >>> Signed-off-by: Fernando Guzman Lugo <x0095840@xxxxxx> >> >> I don't see the point in having an API. It could be done through >> platform data, and the usage of 0xFFFFF000 instead of ULONG_MAX is >> independent of this. > > Using platform data is better, but why dropping da_end? Because it's always 0xFFFFF000. Do you know of any instance where it's not? -- Felipe Contreras -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html