Messages in this thread | | | Date | Tue, 31 Oct 2006 09:47:52 +0100 | Subject | Re: [PATCH 2.6.19-rc1 update4] drivers: add LCD support | From | Franck Bui-Huu <> |
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Miguel Ojeda wrote: > Again: Please read LDD3. It explains it well. Read all the "Remapping > RAM" chapter and you will understand what I've done, or just try to > remap RAM yourself with remap_pfn_range.
Well, I'm trying to get an explanation here and here is what I get from you:
MO > LDD3 states it must work like this. (Note: it doesn't explain why though) FBH > Weird I read the implementation of remap_pfn_range() and it doesn't seem to have such restriction, I'm wondering how things work... MO > Again it's stated in LDD3, read again.
Do you really think you explain anything with such replies ?
Fortunately, Hugh Dickins gives a hint and it appears that the restriction doesn't hold anymore.
> (I really tried it using > different ways and I couldn't map it with remap_pfn_range, it returns > you a place full with zeros, as LDD3 states).
I'm really wondering how did you test the thing... ;)
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