[SCSI] drivers/scsi: Use ARRAY_SIZE macro

Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove
duplicates of the macro.

Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index 2c80167..eadfefd 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -886,7 +886,7 @@
 	tags = simple_strtoul(p + 1, NULL, 0) & 0xff;
 	printf("Setting Global Tags= %d\n", tags);
 
-	for (i = 0; i < NUM_ELEMENTS(aic7xxx_tag_info); i++) {
+	for (i = 0; i < ARRAY_SIZE(aic7xxx_tag_info); i++) {
 		for (j = 0; j < AHC_NUM_TARGETS; j++) {
 			aic7xxx_tag_info[i].tag_commands[j] = tags;
 		}
@@ -898,7 +898,7 @@
 {
 
 	if ((instance >= 0) && (targ >= 0)
-	 && (instance < NUM_ELEMENTS(aic7xxx_tag_info))
+	 && (instance < ARRAY_SIZE(aic7xxx_tag_info))
 	 && (targ < AHC_NUM_TARGETS)) {
 		aic7xxx_tag_info[instance].tag_commands[targ] = value & 0xff;
 		if (bootverbose)
@@ -1020,7 +1020,7 @@
 	end = strchr(s, '\0');
 
 	/*
-	 * XXX ia64 gcc isn't smart enough to know that NUM_ELEMENTS
+	 * XXX ia64 gcc isn't smart enough to know that ARRAY_SIZE
 	 * will never be 0 in this case.
 	 */
 	n = 0;
@@ -1028,13 +1028,13 @@
 	while ((p = strsep(&s, ",.")) != NULL) {
 		if (*p == '\0')
 			continue;
-		for (i = 0; i < NUM_ELEMENTS(options); i++) {
+		for (i = 0; i < ARRAY_SIZE(options); i++) {
 
 			n = strlen(options[i].name);
 			if (strncmp(options[i].name, p, n) == 0)
 				break;
 		}
-		if (i == NUM_ELEMENTS(options))
+		if (i == ARRAY_SIZE(options))
 			continue;
 
 		if (strncmp(p, "global_tag_depth", n) == 0) {
@@ -1360,7 +1360,7 @@
 
 	tags = 0;
 	if ((ahc->user_discenable & devinfo->target_mask) != 0) {
-		if (ahc->unit >= NUM_ELEMENTS(aic7xxx_tag_info)) {
+		if (ahc->unit >= ARRAY_SIZE(aic7xxx_tag_info)) {
 			if (warned_user == 0) {
 
 				printf(KERN_WARNING