On Tuesday 21 April 2015 13:37:13 Eric Anholt wrote:
> Arnd Bergmann <arnd@xxxxxxxx> writes:
>
> > On Tuesday 21 April 2015 11:09:52 Eric Anholt wrote:
> >> +static struct map_desc bcm2836_io_map __initdata = {
> >> + .virtual = BCM2835_PERIPH_VIRT,
> >> + .pfn = __phys_to_pfn(BCM2836_PERIPH_PHYS),
> >> + .length = BCM2835_PERIPH_SIZE,
> >> + .type = MT_DEVICE
> >> +};
> >> +
> >> static void __init bcm2835_map_io(void)
> >> {
> >> - iotable_init(&io_map, 1);
> >> + iotable_init(&bcm2835_io_map, 1);
> >> +}
> >> +
> >> +static void __init bcm2836_map_io(void)
> >> +{
> >> + iotable_init(&bcm2836_io_map, 1);
> >> }
> >>
> >
> > Can you explain what this is needed for? Most platform ports don't
> > do this any more.
>
> Nope, I can't! I'm not sure what the bcm2835 side of it does, and I was
> just replicating that for 2836.
>
> Should it be removed from 2835, too?
>
Hard to know. Does anything reference BCM2835_PERIPH_VIRT? Does it work
if you remove it?
Arnd
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