On Wed, Jul 11, 2018 at 04:52:10PM +0300, Serge Semin wrote: > Hello Christoph, > > On Tue, Jul 10, 2018 at 11:56:31PM -0700, Christoph Hellwig <hch@xxxxxxxxxxxxx> 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. The function is entirely unused in the kernel tree, please remove it.