From patchwork Mon Jul 28 14:34:27 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Luis R. Rodriguez" X-Patchwork-Id: 374212 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 9D9B014012B for ; Tue, 29 Jul 2014 00:35:07 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752789AbaG1Oev (ORCPT ); Mon, 28 Jul 2014 10:34:51 -0400 Received: from mail-pd0-f182.google.com ([209.85.192.182]:53260 "EHLO mail-pd0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752772AbaG1Oeq (ORCPT ); Mon, 28 Jul 2014 10:34:46 -0400 Received: by mail-pd0-f182.google.com with SMTP id fp1so9779301pdb.41 for ; Mon, 28 Jul 2014 07:34:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=SrYZ7ef1Syr5v+3x0STO3czlFEgrm54RKKkf9M2c07Y=; b=qR1019Pwz+gtdT6MqTF0dnk0ADYe3WtYmA2DW3YN+FoMdDal3OLDc/fRLYeSVfHor7 P7JlkSy4Y+1YoekzhH3UfMfL61Hq5w3e45JnJJpiglTV34m4xQO1qQnXdm1VjFmAwZFN et0gF+0d73HNWAzZKFylys/EzT/IvKKS/au0gqfbBxRSKnWfBShkxwz225zFBr5qdE09 bBocPv44as/XrAeRtb3XeQOTSeOWqtXcg2PZmEXFr+wL47dbrmL5/9cN6Jlf7lbCRevx b8QwChD+qcXHTt/eAehwVkqzBxkrnOcom2aurkr3iLoLHYDtIIWn7aoxk9ZDCQdPk/ep qTyA== X-Received: by 10.68.189.8 with SMTP id ge8mr39040719pbc.104.1406558084579; Mon, 28 Jul 2014 07:34:44 -0700 (PDT) Received: from mcgrof@gmail.com (c-98-234-145-61.hsd1.ca.comcast.net. [98.234.145.61]) by mx.google.com with ESMTPSA id r8sm24534507pdp.88.2014.07.28.07.34.40 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Mon, 28 Jul 2014 07:34:43 -0700 (PDT) Received: by mcgrof@gmail.com (sSMTP sendmail emulation); Mon, 28 Jul 2014 07:34:39 -0700 From: "Luis R. Rodriguez" To: gregkh@linuxfoundation.org Cc: linux-kernel@vger.kernel.org, "Luis R. Rodriguez" , Tetsuo Handa , Joseph Salisbury , One Thousand Gnomes , Tim Gardner , Pierre Fersing , Andrew Morton , Oleg Nesterov , Benjamin Poirier , Nagalakshmi Nandigama , Praveen Krishnamoorthy , Sreekanth Reddy , Abhijit Mahajan , Hariprasad S , Santosh Rastapur , MPT-FusionLinux.pdl@avagotech.com, linux-scsi@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH 3/3] mptsas: ask for deferred probe Date: Mon, 28 Jul 2014 07:34:27 -0700 Message-Id: <1406558067-25308-3-git-send-email-mcgrof@do-not-panic.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1406558067-25308-1-git-send-email-mcgrof@do-not-panic.com> References: <1406558067-25308-1-git-send-email-mcgrof@do-not-panic.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: "Luis R. Rodriguez" Its reported that mptsas can at times take over 30 seconds to recognize SCSI storage devices [0], this is done on the driver's probe path. Use the the deferred probe workqueue to allow long init sequences to complete. [0] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1276705 Cc: Tetsuo Handa Cc: Joseph Salisbury Cc: One Thousand Gnomes Cc: Tim Gardner Cc: Pierre Fersing Cc: Andrew Morton Cc: Oleg Nesterov Cc: Benjamin Poirier Cc: Greg Kroah-Hartman Cc: Nagalakshmi Nandigama Cc: Praveen Krishnamoorthy Cc: Sreekanth Reddy Cc: Abhijit Mahajan Cc: Hariprasad S Cc: Santosh Rastapur Cc: MPT-FusionLinux.pdl@avagotech.com Cc: linux-scsi@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: Luis R. Rodriguez --- drivers/message/fusion/mptsas.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index 711fcb5..3859ac3 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -5382,6 +5382,9 @@ MODULE_DEVICE_TABLE(pci, mptsas_pci_table); static struct pci_driver mptsas_driver = { + .driver = { + .delay_probe = true, + }, .name = "mptsas", .id_table = mptsas_pci_table, .probe = mptsas_probe,