Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc64: Handle stack trace attempts before irqstacks are setup.
  sparc64: Implement IRQ stacks.
  sparc: remove include of linux/of_device.h from asm/of_device.h
  sparc64: Fix recursion in stack overflow detection handling.
  sparc/drivers: use linux/of_device.h instead of asm/of_device.h
  sparc64: Don't MAGIC_SYSRQ ifdef smp_fetch_global_regs and support code.