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authorJulia Lawall <julia@diku.dk>2008-10-29 14:24:40 -0700
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-12-29 11:24:14 -0600
commit237abac6ff093aa5cb64faf6f632c479e00a67be (patch)
tree289d811a797a9e5e333361c58be9a6f80a172d35
parent973b73605cc2ac1f51457809c5f1f1f8ab760c47 (diff)
[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>
-rw-r--r--drivers/scsi/esp_scsi.c6
1 files changed, 2 insertions, 4 deletions
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 @@ 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--;