[PATCH -next] ide/pmac: use DIV_ROUND_UP macro to do calculation

[Zheng Yongjun]

Don't open-code DIV_ROUND_UP() kernel macro.

Signed-off-by: Zheng Yongjun <zhengyongjun3 at huawei.com>
---
 drivers/ide/pmac.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c
index ea0b064b5f56..6c0237af610d 100644
--- a/drivers/ide/pmac.c
+++ b/drivers/ide/pmac.c
@@ -105,8 +105,8 @@ static const char* model_name[] = {
  */
 
 /* Number of IDE_SYSCLK_NS ticks, argument is in nanoseconds */
-#define SYSCLK_TICKS(t)		(((t) + IDE_SYSCLK_NS - 1) / IDE_SYSCLK_NS)
-#define SYSCLK_TICKS_66(t)	(((t) + IDE_SYSCLK_66_NS - 1) / IDE_SYSCLK_66_NS)
+#define SYSCLK_TICKS(t)		DIV_ROUND_UP(t, IDE_SYSCLK_NS)
+#define SYSCLK_TICKS_66(t)	DIV_ROUND_UP(t, IDE_SYSCLK_66_NS)
 #define IDE_SYSCLK_NS		30	/* 33Mhz cell */
 #define IDE_SYSCLK_66_NS	15	/* 66Mhz cell */
 
-- 
2.22.0