staging: omap-thermal: add IRQ debugging messaging

For debugging purposes, print the IRQ event for the domain being processed.
Signed-off-by: NEnric Balletbo i Serra <eballetbo@gmail.com>
Signed-off-by: NEduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/omap-thermal/omap-bandgap.c

@@ -113,6 +113,11 @@ static irqreturn_t talert_irq_handler(int irq, void *data)
 
 		omap_bandgap_writel(bg_ptr, ctrl, tsr->bgap_mask_ctrl);
 
+		dev_dbg(bg_ptr->dev,
+			"%s: IRQ from %s sensor: hotevent %d coldevent %d\n",
+			__func__, bg_ptr->conf->sensors[i].domain,
+			t_hot, t_cold);
+
 		/* read temperature */
 		temp = omap_bandgap_readl(bg_ptr, tsr->temp_sensor_ctrl);
 		temp &= tsr->bgap_dtemp_mask;