Russell,
I missed covering your a**..........yes this is a WTF.
Where did you find the break point........It will get fixed.
On Sun, 30 Jan 2000, Russell King wrote:
> Hi,
>
> I've been looking over the 2.3.41 patch, and have come across a major problem
> area for ARM.
>
> On ARM, there is no such thing as "dma coherent" memory. Unfortunately, the
> new PCI code (pci_alloc_consistent) appears to assume that there is a way
> of doing this.
>
> I have had ideas about ways to do this on the ARM, but it will not be trivial
> changes to the mm layer, and certainly has not been implemented yet.
>
> This effectively means that I seem to have two options:
>
> 1. either we loose any hope of IDE DMA for the rest of 2.3 and 2.4, or
> 2. the IDE DMA code gets the dma_cache_* macros added back in
>
> I would have preferred to have heard about the extent of these changes (and
> that the dma_cache_* macros were going to be removed, along with my comments
> marking them with my initials) before it was submitted.
>
> For now, I'm adding the dma_cache_* macros back in, and if I don't hear anything,
> I will be re-submitting that code back to Linus.
>
> (very pissed)
> _____
> |_____| ------------------------------------------------- ---+---+-
> | | Russell King rmk@arm.linux.org.uk --- ---
> | | | | http://www.arm.linux.org.uk/~rmk/aboutme.html / / |
> | +-+-+ --- -+-
> / | THE developer of ARM Linux |+| /|\
> / | | | --- |
> +-+-+ ------------------------------------------------- /\\\ |
>
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Andre Hedrick
The Linux ATA/IDE guy
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