[SCSI] esp_scsi: Use DIV_ROUND_UP

Use the macro DIV_ROUND_UP and eliminate the variable rounded_up, as suggested by Matthew Wilcox. Signed-off-by: Julia Lawall <[email protected]> Cc: David Miller <[email protected]> Reviewed-by: Matthew Wilcox <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: James Bottomley <[email protected]>
chewitt · Dec 29, 2008 · 237abac · 237abac
1 parent 973b736
commit 237abac
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/drivers/scsi/esp_scsi.c b/drivers/scsi/esp_scsi.c
@@ -1453,7 +1453,7 @@ static void esp_msgin_sdtr(struct esp *esp, struct esp_target_data *tp)
 		offset = 0;
 
 	if (offset) {
-		int rounded_up, one_clock;
+		int one_clock;
 
 		if (period > esp->max_period) {
 			period = offset = 0;
@@ -1463,9 +1463,7 @@ static void esp_msgin_sdtr(struct esp *esp, struct esp_target_data *tp)
 			goto do_reject;
 
 		one_clock = esp->ccycle / 1000;
-		rounded_up = (period << 2);
-		rounded_up = (rounded_up + one_clock - 1) / one_clock;
-		stp = rounded_up;
+		stp = DIV_ROUND_UP(period << 2, one_clock);
 		if (stp && esp->rev >= FAS236) {
 			if (stp >= 50)
 				stp--;