diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index 74945c1a66ce..55f251fdb786 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -67,14 +67,13 @@
 #define TMIO_STAT_RXOVERFLOW    BIT(20)
 #define TMIO_STAT_TXUNDERRUN    BIT(21)
 #define TMIO_STAT_CMDTIMEOUT    BIT(22)
+#define TMIO_STAT_DAT0		BIT(23)	/* only known on R-Car so far */
 #define TMIO_STAT_RXRDY         BIT(24)
 #define TMIO_STAT_TXRQ          BIT(25)
 #define TMIO_STAT_ILL_FUNC      BIT(29)
 #define TMIO_STAT_CMD_BUSY      BIT(30)
 #define TMIO_STAT_ILL_ACCESS    BIT(31)
 
-#define TMIO_STATUS2_DAT0	BIT(7)
-
 #define	CLK_CTL_DIV_MASK	0xff
 #define	CLK_CTL_SCLKEN		BIT(8)
 
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index 3635940bc31d..57d350744459 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -964,7 +964,7 @@ static int tmio_mmc_card_busy(struct mmc_host *mmc)
 {
 	struct tmio_mmc_host *host = mmc_priv(mmc);
 
-	return !(sd_ctrl_read16_and_16_as_32(host, CTL_STATUS2) & TMIO_STATUS2_DAT0);
+	return !(sd_ctrl_read16_and_16_as_32(host, CTL_STATUS) & TMIO_STAT_DAT0);
 }
 
 static struct mmc_host_ops tmio_mmc_ops = {