diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 1ed5355..a2f35e3 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -114,7 +114,8 @@
 static void
 esdhc_pio_read_write(struct mmc *mmc, struct mmc_data *data)
 {
-	struct fsl_esdhc *regs = mmc->priv;
+	struct fsl_esdhc_cfg *cfg = mmc->priv;
+	struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base;
 	uint blocks;
 	char *buffer;
 	uint databuf;