From: Jayachandran C <jchandra@broadcom.com>
Date: Wed, 7 Jan 2015 11:28:35 +0000 (+0530)
Subject: MIPS: Netlogic: Do not enable SUE for core
X-Git-Tag: firefly_0821_release~176^2~1944^2~124
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=94e2b96ecea3ee2a3cbd5147fa380e05a6c4b4bc;p=firefly-linux-kernel-4.4.55.git

MIPS: Netlogic: Do not enable SUE for core

Enabling the SUE bit for core can can result in rare cache errors
which are difficult to track down, so do not enable it. This can
cause a minor performance loss in some tests.

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8894/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/arch/mips/netlogic/common/reset.S b/arch/mips/netlogic/common/reset.S
index e3e518974e0b..edbab9b8691f 100644
--- a/arch/mips/netlogic/common/reset.S
+++ b/arch/mips/netlogic/common/reset.S
@@ -60,7 +60,7 @@
 	li	t0, LSU_DEFEATURE
 	mfcr	t1, t0
 
-	lui	t2, 0xc080	/* SUE, Enable Unaligned Access, L2HPE */
+	lui	t2, 0x4080	/* Enable Unaligned Access, L2HPE */
 	or	t1, t1, t2
 	mtcr	t1, t0