staging: comedi: addi_apci_1500: remove unused subdevices

Only allocate space for the subdevicess used by the driver. Remove all
the COMEDI_SUBD_UNUSED subdevices.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/addi_apci_1500.c

@@ -110,20 +110,12 @@ static int apci1500_auto_attach(struct comedi_device *dev,
 		addi_eeprom_read_info(dev, pci_resource_start(pcidev, 0));
 	}
 
-	ret = comedi_alloc_subdevices(dev, 7);
+	ret = comedi_alloc_subdevices(dev, 4);
 	if (ret)
 		return ret;
 
-	/*  Allocate and Initialise AI Subdevice Structures */
-	s = &dev->subdevices[0];
-	s->type = COMEDI_SUBD_UNUSED;
-
-	/*  Allocate and Initialise AO Subdevice Structures */
-	s = &dev->subdevices[1];
-		s->type = COMEDI_SUBD_UNUSED;
-
 	/*  Allocate and Initialise DI Subdevice Structures */
-	s = &dev->subdevices[2];
+	s = &dev->subdevices[0];
 	if (devpriv->s_EeParameters.i_NbrDiChannel) {
 		s->type = COMEDI_SUBD_DI;
 		s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON;
@@ -140,7 +132,7 @@ static int apci1500_auto_attach(struct comedi_device *dev,
 		s->type = COMEDI_SUBD_UNUSED;
 	}
 	/*  Allocate and Initialise DO Subdevice Structures */
-	s = &dev->subdevices[3];
+	s = &dev->subdevices[1];
 	if (devpriv->s_EeParameters.i_NbrDoChannel) {
 		s->type = COMEDI_SUBD_DO;
 		s->subdev_flags =
@@ -158,7 +150,7 @@ static int apci1500_auto_attach(struct comedi_device *dev,
 	}
 
 	/*  Allocate and Initialise Timer Subdevice Structures */
-	s = &dev->subdevices[4];
+	s = &dev->subdevices[2];
 	if (devpriv->s_EeParameters.i_Timer) {
 		s->type = COMEDI_SUBD_TIMER;
 		s->subdev_flags = SDF_WRITEABLE | SDF_GROUND | SDF_COMMON;
@@ -174,12 +166,8 @@ static int apci1500_auto_attach(struct comedi_device *dev,
 		s->type = COMEDI_SUBD_UNUSED;
 	}
 
-	/*  Allocate and Initialise TTL */
-	s = &dev->subdevices[5];
-	s->type = COMEDI_SUBD_UNUSED;
-
 	/* EEPROM */
-	s = &dev->subdevices[6];
+	s = &dev->subdevices[3];
 	if (this_board->i_PCIEeprom) {
 		s->type = COMEDI_SUBD_MEMORY;
 		s->subdev_flags = SDF_READABLE | SDF_INTERNAL;