diff --git a/[refs] b/[refs]
index f28bf3089840..36b5a410d864 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7a556e6a4a8333ea0ddf9cffc9ef42c9a912925d
+refs/heads/master: 4a6554ed29906be67082e26ac99cbbca9d2f9060
diff --git a/trunk/drivers/staging/omap-thermal/omap-bandgap.c b/trunk/drivers/staging/omap-thermal/omap-bandgap.c
index 62a5fb9623b2..02817b54b456 100644
--- a/trunk/drivers/staging/omap-thermal/omap-bandgap.c
+++ b/trunk/drivers/staging/omap-thermal/omap-bandgap.c
@@ -109,6 +109,16 @@ static int omap_bandgap_power(struct omap_bandgap *bg_ptr, bool on)
 	return 0;
 }
 
+/**
+ * omap_bandgap_read_temp() - helper function to read sensor temperature
+ * @bg_ptr: pointer to omap_bandgap structure
+ * @id: bandgap sensor id
+ *
+ * Function to concentrate the steps to read sensor temperature register.
+ * This function is desired because, depending on bandgap device version,
+ * it might be needed to freeze the bandgap state machine, before fetching
+ * the register value.
+ */
 static u32 omap_bandgap_read_temp(struct omap_bandgap *bg_ptr, int id)
 {
 	struct temp_sensor_registers *tsr;