Messages in this thread | | | Date | Wed, 20 Oct 2010 11:58:16 +0300 | Subject | Re: [PATCHv4 4/4] iommu: create new api to set valid da range | From | Felipe Contreras <> |
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On Wed, Oct 20, 2010 at 11:45 AM, Hiroshi DOYU <Hiroshi.DOYU@nokia.com> wrote: > From: "ext felipe.contreras@gmail.com" <felipe.contreras@gmail.com> > 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@ti.com> 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@ti.com> >> >> 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
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