Re: [PATCH 1/2] powerpc:mm: export symbol ioremap_coherent

[Christoph Hellwig]

On Tue, Jun 14, 2022 at 08:45:25PM +1000, Michael Ellerman wrote:
> Wang Wenhu <wenhu.wang@xxxxxxxxxxx> writes:
> > The function ioremap_coherent may be called by modules such as
> > fsl_85xx_cache_sram. So export it for access in other modules.
> 
> ioremap_coherent() is powerpc specific, and only has one other caller,
> I'd like to remove it.
> 
> Does ioremap_cache() work for you?

Chances are that both are the wrong thing and this really wants
memremap, as SRAM tends to have memory and not MMIO semantics.