staging: comedi: dt3000: rename the interrupt flag defines

For aesthetics, rename these defines so they have association
with the register. Move them closer to the register define and
use the BIT macro to define them.
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/dt3000.c

@@ -78,6 +78,14 @@
 #define DPR_AD_BUF_REAR		(4 * 0xffa)
 #define DPR_INT_MASK		(4 * 0xffb)
 #define DPR_INTR_FLAG		(4 * 0xffc)
+#define DPR_INTR_CMDONE		BIT(7)
+#define DPR_INTR_CTDONE		BIT(6)
+#define DPR_INTR_DAHWERR	BIT(5)
+#define DPR_INTR_DASWERR	BIT(4)
+#define DPR_INTR_DAEMPTY	BIT(3)
+#define DPR_INTR_ADHWERR	BIT(2)
+#define DPR_INTR_ADSWERR	BIT(1)
+#define DPR_INTR_ADFULL		BIT(0)
 #define DPR_RESPONSE_MBX	(4 * 0xffe)
 #define DPR_CMD_MBX		(4 * 0xfff)
 #define DPR_CMD_COMPLETION(x)	((x) << 8)
@@ -215,16 +223,6 @@ static const struct dt3k_boardtype dt3k_boardtypes[] = {
 #define AI_FIFO_DEPTH	2003
 #define AO_FIFO_DEPTH	2048
 
-/* interrupt flags */
-#define DT3000_CMDONE		0x80
-#define DT3000_CTDONE		0x40
-#define DT3000_DAHWERR		0x20
-#define DT3000_DASWERR		0x10
-#define DT3000_DAEMPTY		0x08
-#define DT3000_ADHWERR		0x04
-#define DT3000_ADSWERR		0x02
-#define DT3000_ADFULL		0x01
-
 #define DT3000_EXTERNAL_CLOCK	1
 #define DT3000_RISING_EDGE	2
 
@@ -348,10 +346,10 @@ static irqreturn_t dt3k_interrupt(int irq, void *d)
 
 	status = readw(dev->mmio + DPR_INTR_FLAG);
 
-	if (status & DT3000_ADFULL)
+	if (status & DPR_INTR_ADFULL)
 		dt3k_ai_empty_fifo(dev, s);
 
-	if (status & (DT3000_ADSWERR | DT3000_ADHWERR))
+	if (status & (DPR_INTR_ADSWERR | DPR_INTR_ADHWERR))
 		s->async->events |= COMEDI_CB_ERROR;
 
 	debug_n_ints++;
@@ -513,7 +511,7 @@ static int dt3k_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	writew(DPR_SUBSYS_AI, dev->mmio + DPR_SUBSYS);
 	dt3k_send_cmd(dev, DPR_CMD_CONFIG);
 
-	writew(DT3000_ADFULL | DT3000_ADSWERR | DT3000_ADHWERR,
+	writew(DPR_INTR_ADFULL | DPR_INTR_ADSWERR | DPR_INTR_ADHWERR,
 	       dev->mmio + DPR_INT_MASK);
 
 	debug_n_ints = 0;