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

[Matthew Wilcox]

On Thu, Feb 16, 2023 at 08:34:15PM +0800, Baoquan He wrote:
> Meanwhile, add macro ARCH_HAS_IOREMAP_WC since the added ioremap_wc()
> will conflict with the one in include/asm-generic/iomap.h, then an
> compiling error is seen:

Huh?  ARCH_HAS_IOREMAP_WC comes up nowhere else in this patchset, and
the current definition of ioremap_wc() is guarded by an ifndef ioremap_wc

> +#define ioremap_wc(addr, size)  \
> +	ioremap_prot((addr), (size), _PAGE_IOREMAP)

This should be enough all by itself.