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path: root/drivers/misc/mei/interrupt.c
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Diffstat (limited to 'drivers/misc/mei/interrupt.c')
-rw-r--r--drivers/misc/mei/interrupt.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index c418d7888..64b568a02 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -21,6 +21,7 @@
#include <linux/fs.h>
#include <linux/jiffies.h>
#include <linux/slab.h>
+#include <linux/pm_runtime.h>
#include <linux/mei.h>
@@ -147,6 +148,9 @@ int mei_cl_irq_read_msg(struct mei_cl *cl,
cb->read_time = jiffies;
cl_dbg(dev, cl, "completed read length = %lu\n", cb->buf_idx);
list_move_tail(&cb->list, &complete_list->list);
+ } else {
+ pm_runtime_mark_last_busy(dev->dev);
+ pm_request_autosuspend(dev->dev);
}
out: