linux-kernel - [PATCH -next] ata/pata_macio: use DIV_ROUND

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Date:   Tue, 22 Dec 2020 20:42:36 +0800
From:   Zheng Yongjun <zhengyongjun3@...wei.com>
To:     <axboe@...nel.dk>, <linux-ide@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Zheng Yongjun <zhengyongjun3@...wei.com>
Subject: [PATCH -next] ata/pata_macio: use DIV_ROUND_UP macro to do calculation

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

Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>
---
 drivers/ata/pata_macio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c
index e47a28271f5b..43f11d991df2 100644
--- a/drivers/ata/pata_macio.c
+++ b/drivers/ata/pata_macio.c
@@ -84,8 +84,8 @@ static const char* macio_ata_names[] = {
  */
 
 /* 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