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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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