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MIPS: CPS: Skip Config1 presence check

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The Config1 register is architecturally defined as required, and is thus
present in all systems which may make use of cps-vec.S. Skip the check
for its presence via the Config.M bit.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11204/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Paul Burton 2015-09-22 11:12:13 -07:00 committed by Ralf Baechle
parent 946db17349
commit 192fbc2025
1 changed files with 1 additions and 3 deletions
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4
arch/mips/kernel/cps-vec.S
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@ -50,9 +50,7 @@
* MT is not supported then branch to nomt.
*/
.macro has_mt dest, nomt
mfc0 \dest, CP0_CONFIG
bgez \dest, \nomt
mfc0 \dest, CP0_CONFIG, 1
mfc0 \dest, CP0_CONFIG, 1
bgez \dest, \nomt
mfc0 \dest, CP0_CONFIG, 2
bgez \dest, \nomt