1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 11d031b8708..89ba4516cb8 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -628,9 +628,11 @@ static u8 sdhci_calc_timeout(struct sdhci_host *host, struct mmc_command *cmd)
         /* timeout in us */
         if (!data)
                 target_timeout = cmd->cmd_timeout_ms * 1000;
-        else
-                target_timeout = data->timeout_ns / 1000 +
-                        data->timeout_clks / host->clock;
+        else {
+                target_timeout = data->timeout_ns / 1000;
+                if (host->clock)
+                        target_timeout += data->timeout_clks / host->clock;
+        }
 
         /*
          * Figure out needed cycles.