1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/mmc/host/sdhci-of.c b/drivers/mmc/host/sdhci-of.c
index d79fa55c3b89..1e8aa590bb39 100644
--- a/drivers/mmc/host/sdhci-of.c
+++ b/drivers/mmc/host/sdhci-of.c
@@ -158,6 +158,13 @@ static unsigned int esdhc_get_max_clock(struct sdhci_host *host)
         return of_host->clock;
 }
 
+static unsigned int esdhc_get_min_clock(struct sdhci_host *host)
+{
+        struct sdhci_of_host *of_host = sdhci_priv(host);
+
+        return of_host->clock / 256 / 16;
+}
+
 static unsigned int esdhc_get_timeout_clock(struct sdhci_host *host)
 {
         struct sdhci_of_host *of_host = sdhci_priv(host);
@@ -184,6 +191,7 @@ static struct sdhci_of_data sdhci_esdhc = {
                 .set_clock = esdhc_set_clock,
                 .enable_dma = esdhc_enable_dma,
                 .get_max_clock = esdhc_get_max_clock,
+                .get_min_clock = esdhc_get_min_clock,
                 .get_timeout_clock = esdhc_get_timeout_clock,
         },
 };
@@ -226,7 +234,7 @@ static int __devinit sdhci_of_probe(struct of_device *ofdev,
                 return -ENODEV;
 
         host = sdhci_alloc_host(&ofdev->dev, sizeof(*of_host));
-        if (!host)
+        if (IS_ERR(host))
                 return -ENOMEM;
 
         of_host = sdhci_priv(host);