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SubjectRe: [PATCH] mmc: pxamci: Use DIV_ROUND_UP at appropriate places
On 4/10/2012 7:30 AM, Axel Lin wrote:
> 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);

Reviewed-by: Viresh Kumar <viresh.kumar@st.com>

--
viresh


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