[PATCH] ARM: ioremap: fix boundary check when reusing static mapping

[Russell King - ARM Linux]

On Sat, Jan 28, 2012 at 11:55:19PM +0100, Joachim Eastwood wrote:
> "ARM: 7304/1: ioremap: fix boundary check when reusing static mapping"
> Commit: 3c424f359898aff48c3d5bed608ac706f8a528c3 in Linus master
> 
> Breaks booting on my custom AT91RM9200 board.
> There isn't any error messages or anything that indicates what goes
> wrong it just stops after; Uncompressing Linux... done, booting the
> kernel.

Your best way of finding out what's going on is to enable:

DEBUG_KERNEL
DEBUG_LL
EARLY_PRINTK

and select the appropriate kernel low-level debugging port.  That should
show you what's going on.