Subject: Re: [PATCH] drivers/video/fbdev: use ioremap_wc() instead of __ioremap(_PAGE_NO_CACHE)

From: Segher Boessenkool <[email-masked]>
Date: Fri, 24 Aug 2018 06:05:48 -0500

On Fri, Aug 24, 2018 at 10:16:22AM +0000, Christophe Leroy wrote:
> _PAGE_NO_CACHE is a target specific flag. Prefer generic functions.

>  #ifdef CONFIG_PPC
> -	p->screen_base = __ioremap(addr, 0x200000, _PAGE_NO_CACHE);
> +	p->screen_base = ioremap_wc(addr, 0x200000);
>  #else

But that is not the same.  I think you want ioremap_nocache?

Segher