[PATCH 05/10] MIPS: CPS: skip Config1 presence check

From: Paul Burton
Date: Tue Sep 22 2015 - 14:14:15 EST


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@xxxxxxxxxx>
---

arch/mips/kernel/cps-vec.S | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S
index 5407ce4..84af91a 100644
--- a/arch/mips/kernel/cps-vec.S
+++ b/arch/mips/kernel/cps-vec.S
@@ -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
--
2.5.3

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