From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752573AbbJXAOU (ORCPT ); Fri, 23 Oct 2015 20:14:20 -0400 Received: from mail-io0-f182.google.com ([209.85.223.182]:35296 "EHLO mail-io0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752142AbbJXAOS (ORCPT ); Fri, 23 Oct 2015 20:14:18 -0400 From: David Daney To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, Sunil Goutham , Robert Richter Cc: David Daney Subject: [PATCH 1/4] net: thunderx: Remove PF soft reset. Date: Fri, 23 Oct 2015 17:14:07 -0700 Message-Id: <1445645650-17328-2-git-send-email-ddaney.cavm@gmail.com> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1445645650-17328-1-git-send-email-ddaney.cavm@gmail.com> References: <1445645650-17328-1-git-send-email-ddaney.cavm@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sunil Goutham In some silicon revisions, the soft reset clobbers PCI config space, so quit doing the reset. Signed-off-by: Sunil Goutham Signed-off-by: David Daney --- drivers/net/ethernet/cavium/thunder/nic_main.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c index b3a5947..d6e3219 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_main.c +++ b/drivers/net/ethernet/cavium/thunder/nic_main.c @@ -305,9 +305,6 @@ static void nic_init_hw(struct nicpf *nic) { int i; - /* Reset NIC, in case the driver is repeatedly inserted and removed */ - nic_reg_write(nic, NIC_PF_SOFT_RESET, 1); - /* Enable NIC HW block */ nic_reg_write(nic, NIC_PF_CFG, 0x3); -- 1.8.3.1