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SubjectRe: [PATCH] sh: clk: Fix discarding const qualifier warning
On Tue, 7 Jan 2020 at 14:54, Arnd Bergmann <arnd@arndb.de> wrote:
>
> arch/powerpc/kernel/iomap.cOn Tue, Jan 7, 2020 at 2:33 PM Krzysztof
> Kozlowski <krzk@kernel.org> wrote:
> > On Tue, Jan 07, 2020 at 02:05:14PM +0100, Krzysztof Kozlowski wrote:
> > > On Tue, 7 Jan 2020 at 14:00, Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> > >
> > > Since this is a SuperH driver, I adjusted it to the SuperH
> > > implementation - lack of const. However iIndeed it makes sense to have
> > > them all taking "const"... Let me check, if I can fix it (without the
> > > real HW).
> >
> > That will be non-trivial because many platforms define ioreadX() with
> > non-const. For example entire alpha with many its implementations of
> > ioread(). Even include/asm-generic/iomap.h defines them as non-const...
>
> I found these instances:
>
> arch/alpha/include/asm/io.h
> arch/alpha/kernel/io.c
> arch/parisc/include/asm/io.h
> arch/parisc/lib/iomap.c
> arch/sh/kernel/iomap.c
> arch/powerpc/kernel/iomap.c
> lib/iomap.c
> include/asm-generic/iomap.h
>
> At least the last four file would have to be done at the same time as
> the header is shared, but the actual conversion should be trivial.

Yes, assuming that I did not screw up some specific
arch-implementation, it seems easy.

I have patchset ready - just need to build test it and I'll share for
kbuild & company to test.

Best regards,
Krzysztof

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