linux-kernel - [PATCH] mmc: pxamci: Use DIV_ROUND

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Date:	Tue, 10 Apr 2012 10:00:10 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Chris Ball <cjb@...top.org>,
	Anton Vorontsov <cbouatmailru@...il.com>,
	Viresh Kumar <viresh.kumar@...com>,
	David Brown <davidb@...eaurora.org>, linux-mmc@...r.kernel.org
Subject: [PATCH] mmc: pxamci: Use DIV_ROUND_UP at appropriate places

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/mmc/host/pxamci.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index cb2dc0e..4b89e73 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -190,7 +190,7 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data)
 	clks = (unsigned long long)data->timeout_ns * host->clkrate;
 	do_div(clks, 1000000000UL);
 	timeout = (unsigned int)clks + (data->timeout_clks << host->clkrt);
-	writel((timeout + 255) / 256, host->base + MMC_RDTO);
+	writel(DIV_ROUND_UP(timeout, 256), host->base + MMC_RDTO);
 
 	if (data->flags & MMC_DATA_READ) {
 		host->dma_dir = DMA_FROM_DEVICE;
@@ -636,7 +636,7 @@ static int pxamci_probe(struct platform_device *pdev)
 	/*
 	 * Calculate minimum clock rate, rounding up.
 	 */
-	mmc->f_min = (host->clkrate + 63) / 64;
+	mmc->f_min = DIV_ROUND_UP(host->clkrate, 64);
 	mmc->f_max = (mmc_has_26MHz()) ? 26000000 : host->clkrate;
 
 	pxamci_init_ocr(host);
-- 
1.7.5.4



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