1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index d89475d36988..d39f59738866 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -374,9 +374,12 @@ static int pxamci_get_ro(struct mmc_host *mmc)
         struct pxamci_host *host = mmc_priv(mmc);
 
         if (host->pdata && host->pdata->get_ro)
-                return host->pdata->get_ro(mmc_dev(mmc));
-        /* Host doesn't support read only detection so assume writeable */
-        return 0;
+                return !!host->pdata->get_ro(mmc_dev(mmc));
+        /*
+         * Board doesn't support read only detection; let the mmc core
+         * decide what to do.
+         */
+        return -ENOSYS;
 }
 
 static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)