Looks good to me.
Acked-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
On 08/30/2013 01:15 AM, Mark Brown wrote:
> From: Mark Brown <broonie@xxxxxxxxxx>
>
> It is possible that we may fail to set the clock rate, if we do so then
> log the failure and don't bother reprogramming the IP.
>
> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
> ---
> drivers/mmc/host/sdhci-s3c.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
> index 926aaf6..d10de3f 100644
> --- a/drivers/mmc/host/sdhci-s3c.c
> +++ b/drivers/mmc/host/sdhci-s3c.c
> @@ -295,6 +295,7 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock)
> struct device *dev = &ourhost->pdev->dev;
> unsigned long timeout;
> u16 clk = 0;
> + int ret;
>
> /* don't bother if the clock is going off */
> if (clock == 0)
> @@ -302,7 +303,12 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock)
>
> sdhci_s3c_set_clock(host, clock);
>
> - clk_set_rate(ourhost->clk_bus[ourhost->cur_clk], clock);
> + ret = clk_set_rate(ourhost->clk_bus[ourhost->cur_clk], clock);
> + if (ret != 0) {
> + dev_err(dev, "%s: failed to set clock rate %uHz\n",
> + mmc_hostname(host->mmc), clock);
> + return;
> + }
>
> host->clock = clock;
>
>
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