[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 <julia@diku.dk>
Cc: David Miller <davem@davemloft.net>
Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/esp_scsi.c b/drivers/scsi/esp_scsi.c
index 62a4618..a680e18 100644
--- a/drivers/scsi/esp_scsi.c
+++ b/drivers/scsi/esp_scsi.c
@@ -1453,7 +1453,7 @@
offset = 0;
if (offset) {
- int rounded_up, one_clock;
+ int one_clock;
if (period > esp->max_period) {
period = offset = 0;
@@ -1463,9 +1463,7 @@
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--;