From patchwork Mon Jul 28 18:28:30 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: 374298 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 7137214007D for ; Tue, 29 Jul 2014 04:29:57 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752008AbaG1S3x (ORCPT ); Mon, 28 Jul 2014 14:29:53 -0400 Received: from mail-pa0-f46.google.com ([209.85.220.46]:47815 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751778AbaG1S24 (ORCPT ); Mon, 28 Jul 2014 14:28:56 -0400 Received: by mail-pa0-f46.google.com with SMTP id lj1so10775261pab.5 for ; Mon, 28 Jul 2014 11:28:55 -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=kJwS5aUGhiPeV7DB5v1lYw9h7dUMYtpn7ij2AJL3ETwVjDKpOmlzYdasLRzj9PH4IY ScS7kVXitbt0E8xYr3vizqNlutpJ6Fpa1XYvIwjWzNfLQ/ynxojraznaCj5nP3w04Ezd 2l5kJoqx5z4nCZmJgD1p6huJ6h+CjMr7YnrA29NgtJevn5zTmea9t1X+QAUlVpUI5A8X ucIzGKxkiuGOcf08X7GgKp/enH8V6oYt6ZzpJMNN29znmHRjUjf/9KEh3RTQwDff2Gx1 VFcr+g5K/H6wbGsqlROAc5iiZ3cInkRj5cgcKkuHJ+auVWAySSWlQBUfGTVVP1xb9d64 NHeA== X-Received: by 10.66.173.144 with SMTP id bk16mr528481pac.34.1406572135461; Mon, 28 Jul 2014 11:28:55 -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 hm4sm18362846pbb.88.2014.07.28.11.28.51 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Mon, 28 Jul 2014 11:28:54 -0700 (PDT) Received: by mcgrof@gmail.com (sSMTP sendmail emulation); Mon, 28 Jul 2014 11:28:50 -0700 From: "Luis R. Rodriguez" To: gregkh@linuxfoundation.org Cc: tiwai@suse.de, 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 v2 4/4] mptsas: ask for deferred probe Date: Mon, 28 Jul 2014 11:28:30 -0700 Message-Id: <1406572110-26823-5-git-send-email-mcgrof@do-not-panic.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1406572110-26823-1-git-send-email-mcgrof@do-not-panic.com> References: <1406572110-26823-1-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,