From: Axel Lin <axel.lin@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Chris Ball <cjb@laptop.org>,
Anton Vorontsov <cbouatmailru@gmail.com>,
Viresh Kumar <viresh.kumar@st.com>,
David Brown <davidb@codeaurora.org>,
linux-mmc@vger.kernel.org
Subject: [PATCH] mmc: pxamci: Use DIV_ROUND_UP at appropriate places
Date: Tue, 10 Apr 2012 10:00:10 +0800 [thread overview]
Message-ID: <1334023210.16328.3.camel@phoenix> (raw)
Signed-off-by: Axel Lin <axel.lin@gmail.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
next reply other threads:[~2012-04-10 2:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-10 2:00 Axel Lin [this message]
2012-04-10 3:44 ` [PATCH] mmc: pxamci: Use DIV_ROUND_UP at appropriate places Viresh Kumar
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