From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Luis R. Rodriguez" <mcgrof@do-not-panic.com>
Subject: [RFC v2 5/6] mptsas: use async probe
Date: Thu,  4 Sep 2014 23:37:26 -0700
Message-ID: <1409899047-13045-6-git-send-email-mcgrof@do-not-panic.com>
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Cc: linux-kernel@vger.kernel.org, oleg@redhat.com, hare@suse.com,
	akpm@linux-foundation.org, penguin-kernel@i-love.sakura.ne.jp,
	joseph.salisbury@canonical.com, bpoirier@suse.de,
	santosh@chelsio.com, "Luis R. Rodriguez" <mcgrof@suse.com>,
	Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>,
	One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>,
	Tim Gardner <tim.gardner@canonical.com>,
	Pierre Fersing <pierre-fersing@pierref.org>,
	Nagalakshmi Nandigama <nagalakshmi.nandigama@avagotech.com>,
	Praveen Krishnamoorthy <praveen.krishnamoorthy@avagotech.com>,
	Sreekanth Reddy <sreekanth.reddy@avagotech.com>,
	Abhijit Mahajan <abhijit.mahajan@avagotech.com>,
	Hariprasad S <hariprasad@chelsio.com>,
	Casey Leedom <leedom@chelsio.com>,
	MPT-FusionLinux.pdl@avagotech.com, linux-scsi@vger.kernel.org,
	netdev@vger.kernel.org
To: gregkh@linuxfoundation.org, dmitry.torokhov@gmail.com,
	falcon@meizu.com, tiwai@suse.de, tj@kernel.org,
	arjan@linux.intel.com
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From: "Luis R. Rodriguez" <mcgrof@suse.com>

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 new asynch probe to
circumvent systemd from killing this driver.

[0] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1276705

Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Joseph Salisbury <joseph.salisbury@canonical.com>
Cc: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
Cc: Tim Gardner <tim.gardner@canonical.com>
Cc: Pierre Fersing <pierre-fersing@pierref.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Benjamin Poirier <bpoirier@suse.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Nagalakshmi Nandigama <nagalakshmi.nandigama@avagotech.com>
Cc: Praveen Krishnamoorthy <praveen.krishnamoorthy@avagotech.com>
Cc: Sreekanth Reddy <sreekanth.reddy@avagotech.com>
Cc: Abhijit Mahajan <abhijit.mahajan@avagotech.com>
Cc: Hariprasad S <hariprasad@chelsio.com>
Cc: Santosh Rastapur <santosh@chelsio.com>
Cc: Casey Leedom <leedom@chelsio.com>
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 <mcgrof@suse.com>
---
 drivers/message/fusion/mptsas.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 0707fa2..6dfee95 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -5385,6 +5385,7 @@ static struct pci_driver mptsas_driver = {
 	.suspend	= mptscsih_suspend,
 	.resume		= mptscsih_resume,
 #endif
+	.driver.async_probe = true,
 };
 
 static int __init
-- 
2.0.3