Re: [PATCH 2/3] msm: iommu: Generalize platform data for multiple targets

Steve Muckle
2011-02-11T21:00:35Z

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.

thanks,
Steve