When runtime resume a scsi device, if the device's driver has implemented runtime resume callback, use that.
sr driver needs this to do different things for system resume and runtime resume. Signed-off-by: Aaron Lu <aaron...@amd.com> --- drivers/scsi/scsi_pm.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c index 83edb93..690136c 100644 --- a/drivers/scsi/scsi_pm.c +++ b/drivers/scsi/scsi_pm.c @@ -34,14 +34,19 @@ static int scsi_dev_type_suspend(struct device *dev, pm_message_t msg) return err; } -static int scsi_dev_type_resume(struct device *dev) +static int scsi_dev_type_resume(struct device *dev, bool runtime) { struct device_driver *drv; int err = 0; + int (*resume)(struct device *); drv = dev->driver; - if (drv && drv->resume) - err = drv->resume(dev); + if (runtime && drv && drv->pm && drv->pm->runtime_resume) + resume = drv->pm->runtime_resume; + else + resume = drv ? drv->resume : NULL; + if (resume) + err = resume(dev); scsi_device_resume(to_scsi_device(dev)); dev_dbg(dev, "scsi resume: %d\n", err); return err; @@ -85,7 +90,7 @@ static int scsi_bus_resume_common(struct device *dev) pm_runtime_get_sync(dev->parent); if (scsi_is_sdev_device(dev)) - err = scsi_dev_type_resume(dev); + err = scsi_dev_type_resume(dev, false); if (err == 0) { pm_runtime_disable(dev); pm_runtime_set_active(dev); @@ -160,7 +165,7 @@ static int scsi_runtime_resume(struct device *dev) dev_dbg(dev, "scsi_runtime_resume\n"); if (scsi_is_sdev_device(dev)) - err = scsi_dev_type_resume(dev); + err = scsi_dev_type_resume(dev, true); /* Insert hooks here for targets, hosts, and transport classes */ -- 1.7.11.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/