Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6:
  serial: Fix sh-sci break interrupt/sysrq handling.
  sh: Fix bogus regs pointer in do_IRQ().
  sh: Fix SH-3 cache entry_mask and way_size calculation.
  sh: Convert struct ioctls to static defines.
  sh: Define missing __NR_readahead.
  sh: Fix PCI BAR address-space wraparound.