From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lin Ming Subject: [PATCH v3 3/6] [SCSI] runtime resume device before system suspend Date: Wed, 23 Nov 2011 15:01:23 +0800 Message-ID: <1322031686-28233-4-git-send-email-ming.m.lin@intel.com> References: <1322031686-28233-1-git-send-email-ming.m.lin@intel.com> Return-path: In-Reply-To: <1322031686-28233-1-git-send-email-ming.m.lin@intel.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org, linux-pm@vger.kernel.org, Alan Stern , Jeff Garzik , "Rafael J. Wysocki" , James Bottomley , Tejun Heo , Huang Ying , Zhang Rui List-Id: linux-scsi@vger.kernel.org From: Alan Stern scsi device runtime PM is using PMSG_SUSPEND. System PM may use other state that may not be compatiable with PMSG_SUSPEND. So we need to runtime resume the device before system suspend. Signed-off-by: Lin Ming --- Alan, Could you add your Signed-off-by? Free free to change the commit logs. drivers/scsi/scsi_pm.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c index d329f8b..549ea72 100644 --- a/drivers/scsi/scsi_pm.c +++ b/drivers/scsi/scsi_pm.c @@ -49,8 +49,10 @@ static int scsi_bus_suspend_common(struct device *dev, pm_message_t msg) { int err = 0; - if (scsi_is_sdev_device(dev)) + if (scsi_is_sdev_device(dev)) { + pm_runtime_resume(dev); err = scsi_dev_type_suspend(dev, msg); + } return err; } -- 1.7.2.5