# Re: \[PATCH\] drivers/video/fbdev: use ioremap\_wc() instead of \_\_ioremap(\_PAGE\_NO\_CACHE)

- From: Segher Boessenkool \<hidden\>
- Date: 2018-08-24 11:24:25 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2018/08/5363423
- Thread: https://ratatoskr.run/linux-fbdev/2018/08/5363371/t.md

```text
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
```