1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index cbb23215ad87..f26a5f1d926d 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -995,7 +995,7 @@ void mmc_set_chip_select(struct mmc_host *host, int mode)
  */
 static void __mmc_set_clock(struct mmc_host *host, unsigned int hz)
 {
-        WARN_ON(hz < host->f_min);
+        WARN_ON(hz && hz < host->f_min);
 
         if (hz > host->f_max)
                 hz = host->f_max;