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MIPS: Add and use CAUSEF_WP definition
authorJames Hogan <james.hogan@imgtec.com>
Tue, 1 Mar 2016 22:19:38 +0000 (22:19 +0000)
committerRalf Baechle <ralf@linux-mips.org>
Fri, 13 May 2016 12:02:13 +0000 (14:02 +0200)
commite233c733786a8ca70cd12cc30aeb80e5b390ad71
treef11ec3694e1965f884125581ccfe7d19c5a2301dtree | snapshot
parentb0d8a082ce9c82600ebf8949dab937cf53019356commit | diff
MIPS: Add and use CAUSEF_WP definition

do_watch() clears bit 22 of cause without using a CAUSEF_* definition
from mipsregs.h. Add a definition for this bit (CAUSEF_WP) and make use
of it. Also use clear_c0_cause() instead of manual read/modify/write.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12728/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/include/asm/mipsregs.h diff | blob | history
arch/mips/kernel/traps.c diff | blob | history
Domain: System / Kernel;