1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c
index 229dc18f0581..768972af8b85 100644
--- a/drivers/mmc/host/bcm2835.c
+++ b/drivers/mmc/host/bcm2835.c
@@ -1265,7 +1265,8 @@ static int bcm2835_add_host(struct bcm2835_host *host)
         char pio_limit_string[20];
         int ret;
 
-        mmc->f_max = host->max_clk;
+        if (!mmc->f_max || mmc->f_max > host->max_clk)
+                mmc->f_max = host->max_clk;
         mmc->f_min = host->max_clk / SDCDIV_MAX_CDIV;
 
         mmc->max_busy_timeout = ~0 / (mmc->f_max / 1000);