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Date: Thu, 9 Jan 2020 13:23:29 +0100
From: Thomas Bogendoerfer <tbogendoerfer@...e.de>
To: Paul Burton <paulburton@...nel.org>
Cc: Ralf Baechle <ralf@...ux-mips.org>,
James Hogan <jhogan@...nel.org>, linux-mips@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] 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@...e.de>
---
arch/mips/sgi-ip27/ip27-memory.c | 18 +++++++++---------
1 file 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)
--
2.24.1
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