Re: [PATCH 2/2] Added leon3_dma_ops and LEON specific mmu_inval_dma_area

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From: Kristoffer Glembo <kristoffer@xxxxxxxxxxx>
Date: Mon, 16 Nov 2009 12:06:55 +0100

> After pulling the latest sparc-next dma_map_single began returning
> bogus addresses. I just saw that page_address was being used
> everywhere
> else in ioport.c (including sbus_map_page) and switched to that since
> page_to_phys was returning incorrect addresses when passed SKB pages.
> 
> So if page_address is wrong I will have to investigate what it is that
> really is broken.

You really need to investigate why dma_map_single() is not
returning sane addresses.
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