* [PATCH -next] ide/pmac: use DIV_ROUND_UP macro to do calculation
@ 2020-12-22 13:32 Zheng Yongjun
0 siblings, 0 replies; only message in thread
From: Zheng Yongjun @ 2020-12-22 13:32 UTC (permalink / raw)
To: davem, linux-ide, linuxppc-dev, linux-kernel; +Cc: benh, paulus, Zheng Yongjun
Don't open-code DIV_ROUND_UP() kernel macro.
Signed-off-by: Zheng Yongjun <zhengyongjun3@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
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