Messages in this thread Patch in this message | | | From | "Luis R. Rodriguez" <> | Subject | [PATCH 3/3] mptsas: ask for deferred probe | Date | Mon, 28 Jul 2014 07:34:27 -0700 |
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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 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@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: 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 | 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
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