From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C756C433EC for ; Tue, 14 Jul 2020 19:11:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F21D422461 for ; Tue, 14 Jul 2020 19:11:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594753886; bh=YHKa8RG9o2SwjzDhGkEBQV+2nfixb9+G7I7bZc8Oe1k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=sCQJnXdBnrSvitnPahxsZGFrFJu1Pc7JhGPzddWWT3ox8siAlQNv1/nMNzSl7d2d1 jQSg+JB4PMRO0IrKEN8pPanOqEp3tIqRSKSyy6rm9u1W6lI4q3V5pCMmZNvQe6D4qg rqBfoheB0jWfiUaAdD/LouhB61IsmohFinRFHNVE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730082AbgGNStN (ORCPT ); Tue, 14 Jul 2020 14:49:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:44868 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730071AbgGNStJ (ORCPT ); Tue, 14 Jul 2020 14:49:09 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 27B37222E9; Tue, 14 Jul 2020 18:49:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594752549; bh=YHKa8RG9o2SwjzDhGkEBQV+2nfixb9+G7I7bZc8Oe1k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CgfjhmsurLaSrJpo3CnqBbojcA13E2Lu3fZnlbD6evvo+qnUfwNaepqD5L7n2yfdC VLsTc4TZzmXZepJu1v+aBiSawU32o3mXz5T50vtt7jGsg+9ZNW8BuvUkJ9kry2Kku6 UusXMxRCNGx5mE4PF8Ub38v/nZB6CGNgqmFujUYY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dany Madden , "David S. Miller" , Sasha Levin Subject: [PATCH 5.4 020/109] ibmvnic: continue to init in CRQ reset returns H_CLOSED Date: Tue, 14 Jul 2020 20:43:23 +0200 Message-Id: <20200714184106.495400608@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200714184105.507384017@linuxfoundation.org> References: <20200714184105.507384017@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Dany Madden [ Upstream commit 8b40eb73509f5704a0e8cd25de0163876299f1a7 ] Continue the reset path when partner adapter is not ready or H_CLOSED is returned from reset crq. This patch allows the CRQ init to proceed to establish a valid CRQ for traffic to flow after reset. Signed-off-by: Dany Madden Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/ibm/ibmvnic.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 4f503b9a674c4..d585973606990 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -1878,13 +1878,18 @@ static int do_reset(struct ibmvnic_adapter *adapter, release_sub_crqs(adapter, 1); } else { rc = ibmvnic_reset_crq(adapter); - if (!rc) + if (rc == H_CLOSED || rc == H_SUCCESS) { rc = vio_enable_interrupts(adapter->vdev); + if (rc) + netdev_err(adapter->netdev, + "Reset failed to enable interrupts. rc=%d\n", + rc); + } } if (rc) { netdev_err(adapter->netdev, - "Couldn't initialize crq. rc=%d\n", rc); + "Reset couldn't initialize crq. rc=%d\n", rc); goto out; } -- 2.25.1