1 files changed, 16 insertions, 3 deletions

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 84c103a7ee13..ff115d920888 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -55,14 +55,16 @@ static void mmci_set_clkreg(struct mmci_host *host, unsigned int desired)
                         host->cclk = host->mclk / (2 * (clk + 1));
                 }
                 if (host->hw_designer == AMBA_VENDOR_ST)
-                        clk |= MCI_FCEN; /* Bug fix in ST IP block */
+                        clk |= MCI_ST_FCEN; /* Bug fix in ST IP block */
                 clk |= MCI_CLK_ENABLE;
                 /* This hasn't proven to be worthwhile */
                 /* clk |= MCI_CLK_PWRSAVE; */
         }
 
         if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_4)
-                clk |= MCI_WIDE_BUS;
+                clk |= MCI_4BIT_BUS;
+        if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_8)
+                clk |= MCI_ST_8BIT_BUS;
 
         writel(clk, host->base + MMCICLOCK);
 }
@@ -629,7 +631,18 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
 
         mmc->ops = &mmci_ops;
         mmc->f_min = (host->mclk + 511) / 512;
-        mmc->f_max = min(host->mclk, fmax);
+        /*
+         * If the platform data supplies a maximum operating
+         * frequency, this takes precedence. Else, we fall back
+         * to using the module parameter, which has a (low)
+         * default value in case it is not specified. Either
+         * value must not exceed the clock rate into the block,
+         * of course.
+         */
+        if (plat->f_max)
+                mmc->f_max = min(host->mclk, plat->f_max);
+        else
+                mmc->f_max = min(host->mclk, fmax);
         dev_dbg(mmc_dev(mmc), "clocking block at %u Hz\n", mmc->f_max);
 
 #ifdef CONFIG_REGULATOR