Pull sparc updates from David Miller:
 "A host of mall cleanups and adjustments that have accumulated while I
  was away, nothing major"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: (26 commits)
  sparc: make xchg() into a statement expression
  sparc64: Use arch_validate_flags() to validate ADI flag
  sparc32: Fix comparing pointer to 0 coccicheck warning
  sparc: fix led.c driver when PROC_FS is not enabled
  sparc: Fix handling of page table constructor failure
  sparc64: only select COMPAT_BINFMT_ELF if BINFMT_ELF is set
  tty: hvcs: Drop unnecessary if block
  tty: vcc: Drop unnecessary if block
  tty: vcc: Drop impossible to hit WARN_ON
  sparc: sparc64_defconfig: add necessary configs for qemu
  sparc64: switch defconfig from the legacy ide driver to libata
  sparc32: Preserve clone syscall flags argument for restarts due to signals
  sparc32: Limit memblock allocation to low memory
  sparc: Replace test_ti_thread_flag() with test_tsk_thread_flag()
  sbus: char: Remove meaningless jump label out_free
  sparc32: signal: Fix stack trampoline for RT signals
  sparc: remove SA_STATIC_ALLOC macro definition
  sparc: use for_each_child_of_node() macro
  sparc: Use fallthrough pseudo-keyword
  sparc32: srmmu: improve type safety of __nocache_fix()
  ...