diff --git a/drivers/staging/comedi/drivers/ni_atmio.c b/drivers/staging/comedi/drivers/ni_atmio.c
index a5c7ceaa771f..761a8329bf36 100644
--- a/drivers/staging/comedi/drivers/ni_atmio.c
+++ b/drivers/staging/comedi/drivers/ni_atmio.c
@@ -264,8 +264,6 @@ static const int ni_irqpin[] = {
 	-1, -1, -1, 0, 1, 2, -1, 3, -1, -1, 4, 5, 6, -1, -1, 7
 };
 
-#define IRQ_POLARITY 0
-
 #include "ni_mio_common.c"
 
 static struct pnp_device_id device_ids[] = {
@@ -402,7 +400,7 @@ static int ni_atmio_attach(struct comedi_device *dev,
 
 	/* generic E series stuff in ni_mio_common.c */
 
-	ret = ni_E_init(dev, ni_irqpin[dev->irq]);
+	ret = ni_E_init(dev, ni_irqpin[dev->irq], 0);
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index e9b9c851922a..ff881a7afdd3 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -5604,7 +5604,8 @@ static int ni_alloc_private(struct comedi_device *dev)
 	return 0;
 }
 
-static int ni_E_init(struct comedi_device *dev, unsigned interrupt_pin)
+static int ni_E_init(struct comedi_device *dev,
+		     unsigned interrupt_pin, unsigned irq_polarity)
 {
 	const struct ni_board_struct *board = comedi_board(dev);
 	struct ni_private *devpriv = dev->private;
@@ -5905,7 +5906,7 @@ static int ni_E_init(struct comedi_device *dev, unsigned interrupt_pin)
 
 	if (dev->irq) {
 		ni_stc_writew(dev,
-			      (IRQ_POLARITY ? Interrupt_Output_Polarity : 0) |
+			      (irq_polarity ? Interrupt_Output_Polarity : 0) |
 			      (Interrupt_Output_On_3_Pins & 0) |
 			      Interrupt_A_Enable | Interrupt_B_Enable |
 			      Interrupt_A_Output_Select(interrupt_pin) |
diff --git a/drivers/staging/comedi/drivers/ni_mio_cs.c b/drivers/staging/comedi/drivers/ni_mio_cs.c
index e61b5d1bdb41..fe6d3943bbee 100644
--- a/drivers/staging/comedi/drivers/ni_mio_cs.c
+++ b/drivers/staging/comedi/drivers/ni_mio_cs.c
@@ -137,8 +137,6 @@ static const struct ni_board_struct ni_boards[] = {
 #endif
 };
 
-#define IRQ_POLARITY 1
-
 #include "ni_mio_common.c"
 
 static const void *ni_getboardtype(struct comedi_device *dev,
@@ -203,7 +201,7 @@ static int mio_cs_auto_attach(struct comedi_device *dev,
 
 	devpriv = dev->private;
 
-	return ni_E_init(dev, 0);
+	return ni_E_init(dev, 0, 1);
 }
 
 static void mio_cs_detach(struct comedi_device *dev)
diff --git a/drivers/staging/comedi/drivers/ni_pcimio.c b/drivers/staging/comedi/drivers/ni_pcimio.c
index 07b70270ac79..a846b88351f6 100644
--- a/drivers/staging/comedi/drivers/ni_pcimio.c
+++ b/drivers/staging/comedi/drivers/ni_pcimio.c
@@ -1042,8 +1042,6 @@ static const struct ni_board_struct ni_boards[] = {
 	},
 };
 
-#define IRQ_POLARITY 1
-
 #include "ni_mio_common.c"
 
 static int pcimio_ai_change(struct comedi_device *dev,
@@ -1271,7 +1269,7 @@ static int pcimio_auto_attach(struct comedi_device *dev,
 			dev->irq = irq;
 	}
 
-	ret = ni_E_init(dev, 0);
+	ret = ni_E_init(dev, 0, 1);
 	if (ret < 0)
 		return ret;