Merge tag 'pwm/for-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry...

[karo-tx-linux.git] / drivers / scsi / hosts.c

diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 94025c5cf797aa6490506fdd2c160941662575c7..1547bd93c70bb7450dc368ff53c54688677245cb 100644 (file)
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -250,6 +250,12 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev,
        if (error)
                goto out_destroy_freelist;
 
+       /*
+        * Increase usage count temporarily here so that calling
+        * scsi_autopm_put_host() will trigger runtime idle if there is
+        * nothing else preventing suspending the device.
+        */
+       pm_runtime_get_noresume(&shost->shost_gendev);
        pm_runtime_set_active(&shost->shost_gendev);
        pm_runtime_enable(&shost->shost_gendev);
        device_enable_async_suspend(&shost->shost_gendev);
@@ -290,6 +296,7 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev,
                goto out_destroy_host;
 
        scsi_proc_host_add(shost);
+       scsi_autopm_put_host(shost);
        return error;
 
  out_destroy_host: