diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 1a006fa..4528345 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -982,7 +982,7 @@
 #endif
 
 	/* Set the initial clock speed */
-	mmc_set_clock(mmc, 400000, false);
+	mmc_set_clock(mmc, 400000, MMC_CLK_ENABLE);
 
 	/* Disable the BRR and BWR bits in IRQSTAT */
 	esdhc_clrbits32(&regs->irqstaten, IRQSTATEN_BRR | IRQSTATEN_BWR);
diff --git a/drivers/mmc/meson_gx_mmc.c b/drivers/mmc/meson_gx_mmc.c
index 0aea477..332f1e1 100644
--- a/drivers/mmc/meson_gx_mmc.c
+++ b/drivers/mmc/meson_gx_mmc.c
@@ -252,7 +252,7 @@
 	mmc->priv = pdata;
 	upriv->mmc = mmc;
 
-	mmc_set_clock(mmc, cfg->f_min, false);
+	mmc_set_clock(mmc, cfg->f_min, MMC_CLK_ENABLE);
 
 	/* reset all status bits */
 	meson_write(mmc, STATUS_MASK, MESON_SD_EMMC_STATUS);
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 01a02fb..29971a5 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -529,7 +529,7 @@
 	 * During a signal voltage level switch, the clock must be gated
 	 * for 5 ms according to the SD spec
 	 */
-	mmc_set_clock(mmc, mmc->clock, true);
+	mmc_set_clock(mmc, mmc->clock, MMC_CLK_DISABLE);
 
 	err = mmc_set_signal_voltage(mmc, signal_voltage);
 	if (err)
@@ -537,7 +537,7 @@
 
 	/* Keep clock gated for at least 10 ms, though spec only says 5 ms */
 	mdelay(10);
-	mmc_set_clock(mmc, mmc->clock, false);
+	mmc_set_clock(mmc, mmc->clock, MMC_CLK_ENABLE);
 
 	/*
 	 * Failure to switch is indicated by the card holding
@@ -1672,7 +1672,8 @@
 
 				/* configure the bus mode (host) */
 				mmc_select_mode(mmc, mwt->mode);
-				mmc_set_clock(mmc, mmc->tran_speed, false);
+				mmc_set_clock(mmc, mmc->tran_speed,
+						MMC_CLK_ENABLE);
 
 #ifdef MMC_SUPPORTS_TUNING
 				/* execute tuning if needed */
@@ -1697,7 +1698,8 @@
 error:
 				/* revert to a safer bus speed */
 				mmc_select_mode(mmc, SD_LEGACY);
-				mmc_set_clock(mmc, mmc->tran_speed, false);
+				mmc_set_clock(mmc, mmc->tran_speed,
+						MMC_CLK_ENABLE);
 			}
 		}
 	}
@@ -1858,7 +1860,7 @@
 		return -ENOTSUPP;
 	}
 
-	mmc_set_clock(mmc, mmc->legacy_speed, false);
+	mmc_set_clock(mmc, mmc->legacy_speed, MMC_CLK_ENABLE);
 
 	for_each_mmc_mode_by_pref(card_caps, mwt) {
 		for_each_supported_width(card_caps & mwt->widths,
@@ -1901,7 +1903,7 @@
 
 			/* configure the bus mode (host) */
 			mmc_select_mode(mmc, mwt->mode);
-			mmc_set_clock(mmc, mmc->tran_speed, false);
+			mmc_set_clock(mmc, mmc->tran_speed, MMC_CLK_ENABLE);
 #ifdef MMC_SUPPORTS_TUNING
 
 			/* execute tuning if needed */
@@ -2426,7 +2428,7 @@
 
 	mmc_select_mode(mmc, MMC_LEGACY);
 	mmc_set_bus_width(mmc, 1);
-	mmc_set_clock(mmc, 0, false);
+	mmc_set_clock(mmc, 0, MMC_CLK_ENABLE);
 }
 
 static int mmc_power_on(struct mmc *mmc)
@@ -2446,7 +2448,7 @@
 
 static int mmc_power_off(struct mmc *mmc)
 {
-	mmc_set_clock(mmc, 0, true);
+	mmc_set_clock(mmc, 0, MMC_CLK_DISABLE);
 #if CONFIG_IS_ENABLED(DM_MMC) && CONFIG_IS_ENABLED(DM_REGULATOR)
 	if (mmc->vmmc_supply) {
 		int ret = regulator_set_enable(mmc->vmmc_supply, false);
diff --git a/include/mmc.h b/include/mmc.h
index d9611a0..534c317 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -707,6 +707,9 @@
  */
 int mmc_set_clock(struct mmc *mmc, uint clock, bool disable);
 
+#define MMC_CLK_ENABLE		false
+#define MMC_CLK_DISABLE		true
+
 struct mmc *find_mmc_device(int dev_num);
 int mmc_set_dev(int dev_num);
 void print_mmc_devices(char separator);