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SubjectRe: USB mass storage and ARM cache coherency
On Wed, 2010-02-24 at 08:16 +0100, Oliver Neukum wrote:
> I don't know. The issue seems quite complex. It would seem better to
> centralize it as far as practical. Do you have a wrapper drivers could
> call?

flush_dcache_page() ? :-)

Now, the subsystem might be the one to know whether something is mapped
into userspace or not (v4l in our case) in which case a wrapper could be


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