From patchwork Sun Nov 27 15:51:11 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tariq Toukan X-Patchwork-Id: 699701 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3tRZ7R3KYvz9t2T for ; Mon, 28 Nov 2016 02:52:03 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753339AbcK0PwC (ORCPT ); Sun, 27 Nov 2016 10:52:02 -0500 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:50484 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753070AbcK0Pvp (ORCPT ); Sun, 27 Nov 2016 10:51:45 -0500 Received: from Internal Mail-Server by MTLPINE1 (envelope-from tariqt@mellanox.com) with ESMTPS (AES256-SHA encrypted); 27 Nov 2016 17:51:27 +0200 Received: from dev-l-vrt-206-005.mtl.labs.mlnx (dev-l-vrt-206-005.mtl.labs.mlnx [10.134.206.5]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id uARFpRf2016911; Sun, 27 Nov 2016 17:51:27 +0200 From: Tariq Toukan To: "David S. Miller" Cc: netdev@vger.kernel.org, Eran Ben Elisha , Yishai Hadas , Tariq Toukan Subject: [PATCH net-next 04/10] net/mlx4_core: Device revision support Date: Sun, 27 Nov 2016 17:51:11 +0200 Message-Id: <1480261877-19720-5-git-send-email-tariqt@mellanox.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1480261877-19720-1-git-send-email-tariqt@mellanox.com> References: <1480261877-19720-1-git-send-email-tariqt@mellanox.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Yishai Hadas The device revision field returned by the NodeInfo MAD is incorrect on ConnectX3 devices. This patch is driver side handling to complete a FW fix added at 2.11.1172. INIT_HCA - bit at offset 0x0C.12 is set to 1 so that FW will report correct device revision. Older FW versions won't be affected from turning on that bit, no capability bit is needed. Signed-off-by: Yishai Hadas Signed-off-by: Tariq Toukan --- drivers/net/ethernet/mellanox/mlx4/fw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index c2ba16e23169..53031cabf138 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -1888,7 +1888,7 @@ int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param) *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION; *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) = - (ilog2(cache_line_size()) - 4) << 5; + ((ilog2(cache_line_size()) - 4) << 5) | (1 << 4); #if defined(__LITTLE_ENDIAN) *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);