Re: [PATCH 03/21] ia64: rename ioremap_nocache to ioremap_uc

[Arnd Bergmann]

On Tue, Oct 29, 2019 at 7:48 AM Christoph Hellwig <hch@xxxxxx> wrote:
>
> On ia64 ioremap_nocache fails if attributes don't match.  Not other
> architectures does this, and we plan to get rid of ioremap_nocache.
> So get rid of the special semantics and define ioremap_nocache in
> terms of ioremap as no portable driver could rely on the behavior
> anyway.
>
> However x86 implements ioremap_uc in a similar way as the ia64
> version of ioremap_nocache, in that it ignores the firmware tables.
> Switch ia64 to override ioremap_uc instead.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Good idea,

Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx>