diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c
index 41a3477c153ed62ff915fe5cf2e1cc25f1ce76ed..f7098533d16a15c98f3499685c84ba8c3c6a0392 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c
@@ -115,7 +115,7 @@ static int i_APCI3501_ConfigAnalogOutput(struct comedi_device *dev,
 					 struct comedi_insn *insn,
 					 unsigned int *data)
 {
-	struct addi_private *devpriv = dev->private;
+	struct apci3501_private *devpriv = dev->private;
 
 	outl(data[0],
 		dev->iobase + APCI3501_ANALOG_OUTPUT +
@@ -157,7 +157,7 @@ static int i_APCI3501_WriteAnalogOutput(struct comedi_device *dev,
 					struct comedi_insn *insn,
 					unsigned int *data)
 {
-	struct addi_private *devpriv = dev->private;
+	struct apci3501_private *devpriv = dev->private;
 	unsigned int ul_Command1 = 0, ul_Channel_no, ul_Polarity, ul_DAC_Ready = 0;
 
 	ul_Channel_no = CR_CHAN(insn->chanspec);
@@ -234,7 +234,7 @@ static int i_APCI3501_ConfigTimerCounterWatchdog(struct comedi_device *dev,
 						 struct comedi_insn *insn,
 						 unsigned int *data)
 {
-	struct addi_private *devpriv = dev->private;
+	struct apci3501_private *devpriv = dev->private;
 	unsigned int ul_Command1 = 0;
 
 	devpriv->tsk_Current = current;
@@ -339,7 +339,7 @@ static int i_APCI3501_StartStopWriteTimerCounterWatchdog(struct comedi_device *d
 							 struct comedi_insn *insn,
 							 unsigned int *data)
 {
-	struct addi_private *devpriv = dev->private;
+	struct apci3501_private *devpriv = dev->private;
 	unsigned int ul_Command1 = 0;
 	int i_Temp;
 
@@ -445,7 +445,7 @@ static int i_APCI3501_ReadTimerCounterWatchdog(struct comedi_device *dev,
 					       struct comedi_insn *insn,
 					       unsigned int *data)
 {
-	struct addi_private *devpriv = dev->private;
+	struct apci3501_private *devpriv = dev->private;
 
 	if (devpriv->b_TimerSelectMode == ADDIDATA_WATCHDOG) {
 		data[0] =
diff --git a/drivers/staging/comedi/drivers/addi_apci_3501.c b/drivers/staging/comedi/drivers/addi_apci_3501.c
index 6e331d4330af08475c98900c34a9093bb2f0bdad..d345daa00f482d67b5c046f01d18844b0e2644f4 100644
--- a/drivers/staging/comedi/drivers/addi_apci_3501.c
+++ b/drivers/staging/comedi/drivers/addi_apci_3501.c
@@ -2,7 +2,12 @@
 #include "comedi_fc.h"
 #include "amcc_s5933.h"
 
-#include "addi-data/addi_common.h"
+struct apci3501_private {
+	int i_IobaseAmcc;
+	struct task_struct *tsk_Current;
+	unsigned char b_TimerSelectMode;
+	unsigned char b_InterruptMode;
+};
 
 #include "addi-data/hwdrv_apci3501.c"
 
@@ -107,7 +112,7 @@ static unsigned short apci3501_eeprom_readw(unsigned long iobase,
 
 static int apci3501_eeprom_get_ao_n_chan(struct comedi_device *dev)
 {
-	struct addi_private *devpriv = dev->private;
+	struct apci3501_private *devpriv = dev->private;
 	unsigned long iobase = devpriv->i_IobaseAmcc;
 	unsigned char nfuncs;
 	int i;
@@ -137,7 +142,7 @@ static int apci3501_eeprom_insn_read(struct comedi_device *dev,
 				     struct comedi_insn *insn,
 				     unsigned int *data)
 {
-	struct addi_private *devpriv = dev->private;
+	struct apci3501_private *devpriv = dev->private;
 	unsigned short addr = CR_CHAN(insn->chanspec);
 
 	data[0] = apci3501_eeprom_readw(devpriv->i_IobaseAmcc, 2 * addr);
@@ -148,7 +153,7 @@ static int apci3501_eeprom_insn_read(struct comedi_device *dev,
 static irqreturn_t apci3501_interrupt(int irq, void *d)
 {
 	struct comedi_device *dev = d;
-	struct addi_private *devpriv = dev->private;
+	struct apci3501_private *devpriv = dev->private;
 	unsigned int ui_Timer_AOWatchdog;
 	unsigned long ul_Command1;
 	int i_temp;
@@ -222,7 +227,7 @@ static int apci3501_auto_attach(struct comedi_device *dev,
 				unsigned long context_unused)
 {
 	struct pci_dev *pcidev = comedi_to_pci_dev(dev);
-	struct addi_private *devpriv;
+	struct apci3501_private *devpriv;
 	struct comedi_subdevice *s;
 	int ao_n_chan;
 	int ret;
@@ -313,14 +318,11 @@ static int apci3501_auto_attach(struct comedi_device *dev,
 static void apci3501_detach(struct comedi_device *dev)
 {
 	struct pci_dev *pcidev = comedi_to_pci_dev(dev);
-	struct addi_private *devpriv = dev->private;
 
-	if (devpriv) {
-		if (dev->iobase)
-			apci3501_reset(dev);
-		if (dev->irq)
-			free_irq(dev->irq, dev);
-	}
+	if (dev->iobase)
+		apci3501_reset(dev);
+	if (dev->irq)
+		free_irq(dev->irq, dev);
 	if (pcidev) {
 		if (dev->iobase)
 			comedi_pci_disable(pcidev);