On Wed, Sep 12, 2007 at 01:09:59AM +0200, Michal Januszewski wrote:
quoted text
> The VGA registers are only available at their legacy IO locations on x86.
> Don't try to access them when running on other arches.
> 
> Note that the code accessing them directly is just an optimization (limits
> slow BIOS function calls).  We don't lose any functionality by using
> BIOS calls instead of it on non-x86.
> 
If you do that, then you also have to #ifdef CONFIG_X86 around
video/vga.h, as that drags in asm/vga.h, which does not exist on all
platforms. I have little interest in adding a stub vga.h on my
architectures to support a driver that in practice works on nothing but
x86.
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