On Fri, Sep 21, 2012 at 12:07:23AM +0200, Rafael J. Wysocki wrote:
> On Wednesday, September 12, 2012, Aaron Lu wrote:
> > static struct scsi_driver sr_template = {
> > .owner = THIS_MODULE,
> > @@ -87,6 +89,8 @@ static struct scsi_driver sr_template = {
> > .name = "sr",
> > .probe = sr_probe,
> > .remove = sr_remove,
> > + .suspend = sr_suspend,
> > + .resume = sr_resume,
> > },
> > .done = sr_done,
> > };
> > @@ -172,6 +176,52 @@ static void scsi_cd_put(struct scsi_cd *cd)
> > mutex_unlock(&sr_ref_mutex);
> > }
>
> Besides, I need some help to understand how this is supposed to work.
>
> Do I think correctly that sr_suspend(), for example, will be run by the
> SCSI bus type layer in case of a CD device runtime suspend? However,
Yes.
> won't this routine be used during system suspend as well and won't it cause
> problems to happen if so?
On system suspend, nothing needs to be done.
I'll add the following code in next version.
if (!PMSG_IS_AUTO(msg))
return 0;
Thanks,
Aaron
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