dma_cache_maint_contiguous should be patched as dma_cache_maint do
nico at fluxnic.net
Thu Dec 10 20:24:55 EST 2009
On Thu, 10 Dec 2009, Russell King - ARM Linux wrote:
> On Thu, Dec 10, 2009 at 04:21:29PM -0500, Nicolas Pitre wrote:
> > On Thu, 10 Dec 2009, Russell King - ARM Linux wrote:
> > > If it is just ARMv6 which is affected by this (note that we can not rely
> > > upon ID_MMFR3 telling us since this register has a different purpose
> > > there) then we can solve this by just modifying the ARMv6 DMA cache
> > > methods - which becomes easier if I get the rearrangement of the DMA
> > > stuff finally sorted. The *only* thing that remains in the way of that
> > > is the stupid flush_ioremap_region() crap for just one MTD driver.
> > My suggestion: kill flush_ioremap_region() and substitute it by an ARMv5
> > cache range invalidate loop implementation local to that driver.
> > While at it, here's the patch:
> Great, can it end up in the patch system?
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