1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 28e440be1c07..bf0204c00053 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -254,6 +254,9 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
  * @busy: message pump is busy
  * @running: message pump is running
  * @rt: whether this queue is set to run as a realtime task
+ * @auto_runtime_pm: the core should ensure a runtime PM reference is held
+ *                   while the hardware is prepared, using the parent
+ *                   device for the spidev
  * @prepare_transfer_hardware: a message will soon arrive from the queue
  *      so the subsystem requests the driver to prepare the transfer hardware
  *      by issuing this call
@@ -374,11 +377,13 @@ struct spi_master {
         bool                            busy;
         bool                            running;
         bool                            rt;
+        bool                            auto_runtime_pm;
 
         int (*prepare_transfer_hardware)(struct spi_master *master);
         int (*transfer_one_message)(struct spi_master *master,
                                     struct spi_message *mesg);
         int (*unprepare_transfer_hardware)(struct spi_master *master);
+
         /* gpio chip select */
         int                     *cs_gpios;
 };