diff --git a/[refs] b/[refs]
index 055852024306..110b4ce4b4eb 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7a681a50ed97c7db60fdde608d885533b9f98acb
+refs/heads/master: d3790b3ddcccd2c62cb83aae33a36d3cb028506d
diff --git a/trunk/drivers/staging/omap-thermal/omap-bandgap.c b/trunk/drivers/staging/omap-thermal/omap-bandgap.c
index aa90539f20ca..f2ebbcf4facd 100644
--- a/trunk/drivers/staging/omap-thermal/omap-bandgap.c
+++ b/trunk/drivers/staging/omap-thermal/omap-bandgap.c
@@ -798,6 +798,18 @@ static int omap_bandgap_set_continuous_mode(struct omap_bandgap *bg_ptr)
 	return 0;
 }
 
+/**
+ * omap_bandgap_tshut_init() - setup and initialize tshut handling
+ * @bg_ptr: pointer to struct omap_bandgap
+ * @pdev: pointer to device struct platform_device
+ *
+ * Call this function only in case the bandgap features HAS(TSHUT).
+ * In this case, the driver needs to handle the TSHUT signal as an IRQ.
+ * The IRQ is wired as a GPIO, and for this purpose, it is required
+ * to specify which GPIO line is used. TSHUT IRQ is fired anytime
+ * one of the bandgap sensors violates the TSHUT high/hot threshold.
+ * And in that case, the system must go off.
+ */
 static int omap_bandgap_tshut_init(struct omap_bandgap *bg_ptr,
 				   struct platform_device *pdev)
 {