Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (21 commits)
  [MIPS] Remove unused maltasmp.h.
  [MIPS] Remove unused saa9730_uart.h.
  [MIPS] Rename MIPS sys_pipe syscall entry point to something MIPS-specific.
  [MIPS] 32-bit compat: Delete unused sys_truncate64 and sys_ftruncate64.
  [MIPS] TXx9: Fix some sparse warnings
  [MIPS] TXx9: Add 64-bit support
  [MIPS] TXx9: Cleanups for 64-bit support
  [MIPS] Cobalt: Fix I/O port resource range
  [MIPS] don't leak setup_early_printk() in userspace header
  [MIPS] Remove include/asm-mips/mips-boards/sead{,int}.h
  [MIPS] Remove asm-mips/mips-boards/atlas{,int}.h
  [MIPS] mips/sgi-ip22/ip28-berr.c: fix the build
  [MIPS] TXx9: Miscellaneous build fixes
  [MIPS] Routerboard 532: Support for base system
  [MIPS] IP32: Use common SGI button driver
  [MIPS] IP22: Use common SGI button driver
  [MIPS] IP22, IP28: Fix merge bug
  [MIPS] Tinker with constraints in <asm/atomic.h> to fix build error.
  [MIPS] Add missing prototypes to asm/page.h
  [MIPS] Fix missing prototypes in asm/fpu.h
  ...