dma_cache_maint_contiguous should be patched as dma_cache_maint do

Catalin Marinas catalin.marinas at arm.com
Mon Dec 7 08:46:12 EST 2009


On Mon, 2009-12-07 at 12:13 +0000, Catalin Marinas wrote:
> On Mon, 2009-12-07 at 03:13 +0000, mkl lin wrote:
> > I had had an issue on USB data read, which is often incorrect. With
> > the help of this ML and some luck, I think the following patch that
> > patch dma_cache_maint should be applied t dma_cache_maint_contiguous,
> > which is called by dma_cache_maint_page.
> >
> > Broadcast the DMA cache operations on ARMv6 SMP hardware
> > http://linux-arm.org/git?p=linux-2.6.git;a=commitdiff;h=f1c242dc5f326713578e469c9f5be647978ebe24
> 
> I'll update this patch and re-post on this list at some point. There
> are some changes to the DMA ops that Russell is pushing. Once those
> stabilise, I'll update my patch.

In the meantime, I updated the patch on my devel branch:

http://linux-arm.org/git?p=linux-2.6.git;a=commitdiff;h=6dd5056b9abe1e38fae3eb8d576e562f49452b0f

Thanks for spotting this.

-- 
Catalin




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