Re: [PATCH v4 1/4] video: fbdev: atyfb: only use ioremap_uc() on i386 and ia64

[Luis Chamberlain]

On Wed, Mar 08, 2023 at 09:07:07PM +0800, Baoquan He wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
> 
> ioremap_uc() is only meaningful on old x86-32 systems with the PAT
> extension, and on ia64 with its slightly unconventional ioremap()
> behavior, everywhere else this is the same as ioremap() anyway.
> 
> Change the only driver that still references ioremap_uc() to only do so
> on x86-32/ia64 in order to allow removing that interface at some
> point in the future for the other architectures.
> 
> On some architectures, ioremap_uc() just returns NULL, changing
> the driver to call ioremap() means that they now have a chance
> of working correctly.
> 
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
> Cc: Helge Deller <deller@xxxxxx>
> Cc: Thomas Zimmermann <tzimmermann@xxxxxxx>
> Cc: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
> Cc: linux-fbdev@xxxxxxxxxxxxxxx
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx

Reviewed-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>

Is anyone using this driver these days? How often do fbdev drivers get
audited to see what can be nuked?


  Luis