1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 978dda2c5239..361cced68069 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -553,6 +553,10 @@ static void spi_pump_messages(struct kthread_work *work)
                     master->unprepare_transfer_hardware(master))
                         dev_err(&master->dev,
                                 "failed to unprepare transfer hardware\n");
+                if (master->auto_runtime_pm) {
+                        pm_runtime_mark_last_busy(master->dev.parent);
+                        pm_runtime_put_autosuspend(master->dev.parent);
+                }
                 return;
         }
 
@@ -572,11 +576,23 @@ static void spi_pump_messages(struct kthread_work *work)
                 master->busy = true;
         spin_unlock_irqrestore(&master->queue_lock, flags);
 
+        if (!was_busy && master->auto_runtime_pm) {
+                ret = pm_runtime_get_sync(master->dev.parent);
+                if (ret < 0) {
+                        dev_err(&master->dev, "Failed to power device: %d\n",
+                                ret);
+                        return;
+                }
+        }
+
         if (!was_busy && master->prepare_transfer_hardware) {
                 ret = master->prepare_transfer_hardware(master);
                 if (ret) {
                         dev_err(&master->dev,
                                 "failed to prepare transfer hardware\n");
+
+                        if (master->auto_runtime_pm)
+                                pm_runtime_put(master->dev.parent);
                         return;
                 }
         }