Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (25 commits)
[MIPS] Jazz: disable PIT; cleanup R4030 clockevent
[MIPS] Bigsur supports highmem.
[MIPS] mtx-1: Enable -Werror.
[MIPS] mtx-1: Remove unused mtx1_sys_btn.
[MIPS] Pb1200: Enable -Werror.
[MIPS] Fix and cleanup the MIPS part of the (ab)use of CLOCK_TICK_RATE.
[MIPS] SNI: register a02r clockevent; don't use PIT timer
[MIPS] i8253.h: Remove all i8259 related definitions.
[MIPS] i8253: Cleanup.
[MIPS] Cobalt: Fix IRQ comment; the Cobalt kernel uses CP0 counter now.
[MIPS] Pb1200: Fix warning.
[MIPS] Pb1200: Fix warning.
[MIPS] IP27: Fix build error.
[MIPS] Excite: Fix build error.
[MIPS] Sibyte: Split and move clock code.
[MIPS] Sibyte: Fixes for oneshot timer mode.
[MIPS] Sibyte: Remove blank line.
[MIPS] Swarm: Fix build failure
[MIPS] time: Code cleanups
[MIPS] time: Remove now unused local_timer_interrupt.
...