commit 9bbc6c7d35e2b3370e5e447f3d165892882d35a8
author Ganesan Ramalingam <ganesanr@broadcom.com> Wed Jan 07 16:58:24 2015 +0530
committer Ralf Baechle <ralf@linux-mips.org> Wed Apr 01 17:21:48 2015 +0200
tree f7098410c4b4501d9b1f3d1c6b8f1c7f6c98ff13
parent 8db23f7df6be572d816f0d056fec16c954d3bdf6

MIPS: Netlogic: Fix cop0 prid check in AHCI init

PRID register should be masked with IMP_MASK to get processor ID.

Signed-off-by: Ganesan Ramalingam <ganesanr@broadcom.com>
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8883/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/netlogic/xlp/ahci-init.c

diff --git a/arch/mips/netlogic/xlp/ahci-init.c b/arch/mips/netlogic/xlp/ahci-init.c
index a9d0fae..92be1a3 100644
--- a/arch/mips/netlogic/xlp/ahci-init.c
+++ b/arch/mips/netlogic/xlp/ahci-init.c
@@ -151,7 +151,7 @@
 static int __init nlm_ahci_init(void)
 {
 	int node = 0;
-	int chip = read_c0_prid() & PRID_REV_MASK;
+	int chip = read_c0_prid() & PRID_IMP_MASK;
 
 	if (chip == PRID_IMP_NETLOGIC_XLP3XX)
 		nlm_sata_firmware_init(node);