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authorThomas Bogendoerfer <tbogendoerfer@suse.de>2020-01-09 13:23:29 +0100
committerPaul Burton <paulburton@kernel.org>2020-01-09 09:54:27 -0800
commita20ebc047a4a300b19df79116598c8c0bd0a9d1e (patch)
tree59fee424c8a52c5a4de4635aca8500c39955d125
parentMIPS: X1830: Add X1830 system type. (diff)
downloadlinux-dev-a20ebc047a4a300b19df79116598c8c0bd0a9d1e.tar.xz
linux-dev-a20ebc047a4a300b19df79116598c8c0bd0a9d1e.zip
MIPS: SGI-IP27: Fix node_distance
node_distance must return values starting from 10 up to 255. 10 means local, 255 unreachable. Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de> Signed-off-by: Paul Burton <paulburton@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org
-rw-r--r--arch/mips/sgi-ip27/ip27-memory.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index 563aad5e6398..a0c717662eb1 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -148,25 +148,25 @@ static int __init compute_node_distance(nasid_t nasid_a, nasid_t nasid_b)
} while ((brd = find_lboard_class(KLCF_NEXT(brd), KLTYPE_ROUTER)));
}
+ if (nasid_a == nasid_b)
+ return LOCAL_DISTANCE;
+
+ if (router_a == router_b)
+ return LOCAL_DISTANCE + 1;
+
if (router_a == NULL) {
pr_info("node_distance: router_a NULL\n");
- return -1;
+ return 255;
}
if (router_b == NULL) {
pr_info("node_distance: router_b NULL\n");
- return -1;
+ return 255;
}
- if (nasid_a == nasid_b)
- return 0;
-
- if (router_a == router_b)
- return 1;
-
router_distance = 100;
router_recurse(router_a, router_b, 2);
- return router_distance;
+ return LOCAL_DISTANCE + router_distance;
}
static void __init init_topology_matrix(void)