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Date: Mon, 28 Jul 2014 07:34:27 -0700 From: "Luis R. Rodriguez" <mcgrof@...not-panic.com> To: gregkh@...uxfoundation.org Cc: linux-kernel@...r.kernel.org, "Luis R. Rodriguez" <mcgrof@...e.com>, Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>, Joseph Salisbury <joseph.salisbury@...onical.com>, One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>, Tim Gardner <tim.gardner@...onical.com>, Pierre Fersing <pierre-fersing@...rref.org>, Andrew Morton <akpm@...ux-foundation.org>, Oleg Nesterov <oleg@...hat.com>, Benjamin Poirier <bpoirier@...e.de>, Nagalakshmi Nandigama <nagalakshmi.nandigama@...gotech.com>, Praveen Krishnamoorthy <praveen.krishnamoorthy@...gotech.com>, Sreekanth Reddy <sreekanth.reddy@...gotech.com>, Abhijit Mahajan <abhijit.mahajan@...gotech.com>, Hariprasad S <hariprasad@...lsio.com>, Santosh Rastapur <santosh@...lsio.com>, MPT-FusionLinux.pdl@...gotech.com, linux-scsi@...r.kernel.org, netdev@...r.kernel.org Subject: [PATCH 3/3] mptsas: ask for deferred probe From: "Luis R. Rodriguez" <mcgrof@...e.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 deferred probe workqueue to allow long init sequences to complete. [0] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1276705 Cc: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp> Cc: Joseph Salisbury <joseph.salisbury@...onical.com> Cc: One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk> Cc: Tim Gardner <tim.gardner@...onical.com> Cc: Pierre Fersing <pierre-fersing@...rref.org> Cc: Andrew Morton <akpm@...ux-foundation.org> Cc: Oleg Nesterov <oleg@...hat.com> Cc: Benjamin Poirier <bpoirier@...e.de> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: Nagalakshmi Nandigama <nagalakshmi.nandigama@...gotech.com> Cc: Praveen Krishnamoorthy <praveen.krishnamoorthy@...gotech.com> Cc: Sreekanth Reddy <sreekanth.reddy@...gotech.com> Cc: Abhijit Mahajan <abhijit.mahajan@...gotech.com> Cc: Hariprasad S <hariprasad@...lsio.com> Cc: Santosh Rastapur <santosh@...lsio.com> Cc: MPT-FusionLinux.pdl@...gotech.com Cc: linux-scsi@...r.kernel.org Cc: linux-kernel@...r.kernel.org Cc: netdev@...r.kernel.org Signed-off-by: Luis R. Rodriguez <mcgrof@...e.com> --- 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, -- 2.0.1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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