1 files changed, 12 insertions, 3 deletions

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 6779b4ecab18..fc96f8cb9c0b 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -773,8 +773,14 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data)
         }
 
         if (!(host->flags & SDHCI_REQ_USE_DMA)) {
-                sg_miter_start(&host->sg_miter,
-                        data->sg, data->sg_len, SG_MITER_ATOMIC);
+                int flags;
+
+                flags = SG_MITER_ATOMIC;
+                if (host->data->flags & MMC_DATA_READ)
+                        flags |= SG_MITER_TO_SG;
+                else
+                        flags |= SG_MITER_FROM_SG;
+                sg_miter_start(&host->sg_miter, data->sg, data->sg_len, flags);
                 host->blocks = data->blocks;
         }
 
@@ -1766,7 +1772,10 @@ int sdhci_add_host(struct sdhci_host *host)
          * Set host parameters.
          */
         mmc->ops = &sdhci_ops;
-        mmc->f_min = host->max_clk / 256;
+        if (host->ops->get_min_clock)
+                mmc->f_min = host->ops->get_min_clock(host);
+        else
+                mmc->f_min = host->max_clk / 256;
         mmc->f_max = host->max_clk;
         mmc->caps = MMC_CAP_SDIO_IRQ;