diff options
Diffstat (limited to 'drivers/scsi/scsi_pm.c')
-rw-r--r-- | drivers/scsi/scsi_pm.c | 44 |
1 files changed, 2 insertions, 42 deletions
diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c index 3717eea37ecb..50b6bad4df79 100644 --- a/drivers/scsi/scsi_pm.c +++ b/drivers/scsi/scsi_pm.c @@ -56,9 +56,6 @@ static int scsi_dev_type_suspend(struct device *dev, const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; int err; - /* flush pending in-flight resume operations, suspend is synchronous */ - async_synchronize_full_domain(&scsi_sd_pm_domain); - err = scsi_device_quiesce(to_scsi_device(dev)); if (err == 0) { err = cb(dev, pm); @@ -123,48 +120,11 @@ scsi_bus_suspend_common(struct device *dev, return err; } -static void async_sdev_resume(void *dev, async_cookie_t cookie) -{ - scsi_dev_type_resume(dev, do_scsi_resume); -} - -static void async_sdev_thaw(void *dev, async_cookie_t cookie) -{ - scsi_dev_type_resume(dev, do_scsi_thaw); -} - -static void async_sdev_restore(void *dev, async_cookie_t cookie) -{ - scsi_dev_type_resume(dev, do_scsi_restore); -} - static int scsi_bus_resume_common(struct device *dev, int (*cb)(struct device *, const struct dev_pm_ops *)) { - async_func_t fn; - - if (!scsi_is_sdev_device(dev)) - fn = NULL; - else if (cb == do_scsi_resume) - fn = async_sdev_resume; - else if (cb == do_scsi_thaw) - fn = async_sdev_thaw; - else if (cb == do_scsi_restore) - fn = async_sdev_restore; - else - fn = NULL; - - if (fn) { - async_schedule_domain(fn, dev, &scsi_sd_pm_domain); - - /* - * If a user has disabled async probing a likely reason - * is due to a storage enclosure that does not inject - * staggered spin-ups. For safety, make resume - * synchronous as well in that case. - */ - if (strncmp(scsi_scan_type, "async", 5) != 0) - async_synchronize_full_domain(&scsi_sd_pm_domain); + if (scsi_is_sdev_device(dev)) { + scsi_dev_type_resume(dev, cb); } else { pm_runtime_disable(dev); pm_runtime_set_active(dev); |