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SubjectRe: [PATCH 2/3] msm: iommu: Generalize platform data for multiple targets
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On Fri, 2011-02-11 at 13:00 -0800, Steve Muckle wrote:
> On 02/11/11 12:58, Daniel Walker wrote:
> > On Fri, 2011-02-11 at 12:51 -0800, Steve Muckle wrote:
> >> On 02/11/11 12:42, Daniel Walker wrote:
> >>>> static struct resource msm_iommu_jpegd_resources[] = {
> >>>> {
> >>>> - .start = MSM_IOMMU_JPEGD_PHYS,
> >>>> - .end = MSM_IOMMU_JPEGD_PHYS + MSM_IOMMU_JPEGD_SIZE - 1,
> >>>> + .start = 0x07300000,
> >>>> + .end = 0x07300000 + SZ_1M - 1,
> >>>
> >>> Looks worse .. Just put the macros into a static header file for both.
> >>
> >> Why bother defining macros for these if they only appear here? I don't
> >> think that adds any value or readability - these addresses are clearly
> >> the physical area for the msm_iommu_jpegd. It just makes it more
> >> annoying to have to look up the values in a separate file if you are
> >> wondering what they are.
> >
> > So your saying if you look at the number 0x07300000 you instantly know
> > that this JPEGD?
>
> Yes, because it's the start address for the msm_iommu_jpegd resource.

Yeah I guess that's true .. I still think it's better design not to do
it this way.

Daniel

--
Sent by an consultant of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora
Forum.




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