linux-kernel - [PATCH] staging: kpc2000: Change to use DIV_ROUND

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Message-Id: <20190529131153.6260-1-nishkadg.linux@gmail.com>
Date:   Wed, 29 May 2019 18:41:53 +0530
From:   Nishka Dasgupta <nishkadg.linux@...il.com>
To:     gregkh@...uxfoundation.org, bnvandana@...il.com,
        madhumithabiw@...il.com, matt.sickler@...tronics.com,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Cc:     Nishka Dasgupta <nishkadg.linux@...il.com>
Subject: [PATCH] staging: kpc2000: Change to use DIV_ROUND_UP

Use macro DIV_ROUND_UP instead of an equivalent sequence of operations.

Signed-off-by: Nishka Dasgupta <nishkadg.linux@...il.com>
---
 drivers/staging/kpc2000/kpc_dma/fileops.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/staging/kpc2000/kpc_dma/fileops.c b/drivers/staging/kpc2000/kpc_dma/fileops.c
index 254fee593399..7b17362461b8 100644
--- a/drivers/staging/kpc2000/kpc_dma/fileops.c
+++ b/drivers/staging/kpc2000/kpc_dma/fileops.c
@@ -28,10 +28,7 @@ unsigned int  count_pages(unsigned long iov_base, size_t iov_len)
 static inline
 unsigned int  count_parts_for_sge(struct scatterlist *sg)
 {
-	unsigned int sg_length = sg_dma_len(sg);
-
-	sg_length += (0x80000-1);
-	return (sg_length / 0x80000);
+	return DIV_ROUND_UP(sg_dma_len(sg), 0x80000);
 }
 
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