Pull sparc updates from David Miller:
1) Hibernation support, as well as removal of excess interrupt
twiddling in MMU context allocation on sparc64 from Kirill Tkhai.
2) Kill references to __ARCH_WANT_UNLOCKED_CTXSW.
3) Sparc32 LEON bug fixes from Daniel Hellstrom and Andreas Larsson.
4) Provide cmpxchg64(), from Geert Uytterhoeven.
5) Device refcount and registry bug fixes from Federico Vaga and Wei
Yongjun.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next:
serial: sunsu: add missing platform_driver_unregister() when module exit
sparc32, leon: Do not overwrite previously set irq flow handlers
sparc/kernel/vio.c: add put_device() after device_find_child()
sparc64: Do not save/restore interrupts in get_new_mmu_context()
sparc: Consistently use 'wr' and 'rd' instructions for ASRs.
sparc64: Kill __ARCH_WANT_UNLOCKED_CTXSW
sparc64: Provide cmpxchg64()
sparc64: Do not change num_physpages during initmem freeing
sparc64: Hibernation support
sparc,leon: updated GRPCI2 config name
sparc,leon: support for GRPCI1 PCI host bridge controller
sparc32,leon: add support for PCI busn resource for GRPCI2
f589e9bfcf