1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 4b1d8fb04e9b..6625c057be05 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -299,8 +299,9 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card)
                 unsigned int timeout_us, limit_us;
 
                 timeout_us = data->timeout_ns / 1000;
-                timeout_us += data->timeout_clks * 1000 /
-                        (mmc_host_clk_rate(card->host) / 1000);
+                if (mmc_host_clk_rate(card->host))
+                        timeout_us += data->timeout_clks * 1000 /
+                                (mmc_host_clk_rate(card->host) / 1000);
 
                 if (data->flags & MMC_DATA_WRITE)
                         /*