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Date: Wed, 3 Apr 2019 10:16:08 -0500
From: Madhumitha Prabakaran <madhumithabiw@...il.com>
To: gregkh@...uxfoundation.org, matthias.bgg@...il.com,
devel@...verdev.osuosl.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc: Madhumitha Prabakaran <madhumithabiw@...il.com>
Subject: [PATCH] Staging: mt7621-mmc: Use DIV_ROUND_UP in function msdc_set_mclk
Use DIV_ROUND_UP to make code simple and more understandable.
Signed-off-by: Madhumitha Prabakaran <madhumithabiw@...il.com>
---
drivers/staging/mt7621-mmc/sd.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/mt7621-mmc/sd.c b/drivers/staging/mt7621-mmc/sd.c
index 4b26ec896a96..b12ed2c988fd 100644
--- a/drivers/staging/mt7621-mmc/sd.c
+++ b/drivers/staging/mt7621-mmc/sd.c
@@ -240,7 +240,7 @@ static void msdc_set_mclk(struct msdc_host *host, int ddr, unsigned int hz)
div = 1; /* mean div = 1/4 */
sclk = hclk >> 2; /* sclk = clk / 4 */
} else {
- div = (hclk + ((hz << 2) - 1)) / (hz << 2);
+ div = DIV_ROUND_UP(hclk, (hz << 2));
sclk = (hclk >> 2) / div;
}
} else if (hz >= hclk) { /* bug fix */
@@ -253,7 +253,7 @@ static void msdc_set_mclk(struct msdc_host *host, int ddr, unsigned int hz)
div = 0; /* mean div = 1/2 */
sclk = hclk >> 1; /* sclk = clk / 2 */
} else {
- div = (hclk + ((hz << 2) - 1)) / (hz << 2);
+ div = DIV_ROUND_UP(hclk, (hz << 2));
sclk = (hclk >> 2) / div;
}
}
--
2.17.1
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