[PATCH] ARM: amba: adapt to regulator probe deferral change

[Russell King - ARM Linux]

On Sat, Mar 31, 2012 at 02:42:15PM +0100, Mark Brown wrote:
> We need to change the AMBA bus so it does something better than what it
> does now and work out a good way to roll this out.  The more I think
> about this the less convinced I am that AMBA should have regualtor
> support in the bus itself at all.

How else does it power up the peripheral to read out the IDs?  You can't
bind a driver until you've read the ID, which implies that the bus layer
needs to have regulator support to turn the power on.