Hello Christoph,

On Tue, Jul 10, 2018 at 11:56:31PM -0700, Christoph Hellwig 
<h...@infradead.org> wrote:
> > + * This is a MIPS specific ioremap variant. ioremap_cacheable_cow
> > + * requests a cachable mapping with CWB attribute enabled.
> >   */
> >  #define ioremap_cacheable_cow(offset, size)                                
> > \
> >     __ioremap_mode((offset), (size), _CACHE_CACHABLE_COW)
> This isn't actually used anywhere in the kernel tree.  Please remove it
> as well.

I don't really know whether it is necessary at this point. We discarded the 
ioremap_uncached_accelerated() method, since the obvious alternative is now
available: ioremap_wc(). While ioremap_cacheable_cow() hasn't got one.
So if it was up to me, I'd leave it here. Anyway if the subsystem maintainers
think otherwise, I won't refuse to submit a patch with this method removal.


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