Re: [PATCH v4 12/16] parisc: mm: Convert to GENERIC_IOREMAP

From: Baoquan He
Date: Fri Feb 17 2023 - 08:34:22 EST


On 02/16/23 at 04:18pm, Arnd Bergmann wrote:
> On Thu, Feb 16, 2023, at 16:02, Baoquan He wrote:
> > On 02/16/23 at 01:50pm, Matthew Wilcox wrote:
> > It's not if including asm-generic/iomap.h. The ARCH_HAS_IOREMAP_xx is to
> > avoid redefinition there.
> >
> > include/asm-generic/iomap.h:
> > ----
> > #ifndef ARCH_HAS_IOREMAP_WC
> > #define ioremap_wc ioremap
> > #endif
>
> I'd change that to the usual '#ifndef ioremap_wc' in that case.

Not sure if I got you. Kill all ARCH_HAS_IOREMAP_xxx in kernel? If yes,
sounds like a good idea.