diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 8cc2b74..7fc77d1 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -920,6 +920,7 @@ void mmc_set_clock(struct mmc_host *host, unsigned int hz)
 	host->ios.clock = hz;
 	mmc_set_ios(host);
 }
+EXPORT_SYMBOL_GPL(mmc_set_clock);
 
 int mmc_execute_tuning(struct mmc_card *card)
 {
@@ -1003,6 +1004,7 @@ void mmc_set_initial_state(struct mmc_host *host)
 
 	mmc_crypto_set_initial_state(host);
 }
+EXPORT_SYMBOL_GPL(mmc_set_initial_state);
 
 /**
  * mmc_vdd_to_ocrbitnum - Convert a voltage to the OCR bit number
@@ -1266,6 +1268,7 @@ void mmc_set_timing(struct mmc_host *host, unsigned int timing)
 	host->ios.timing = timing;
 	mmc_set_ios(host);
 }
+EXPORT_SYMBOL_GPL(mmc_set_timing);
 
 /*
  * Select appropriate driver type for host.
diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h
index f5f3f62..a086152 100644
--- a/drivers/mmc/core/core.h
+++ b/drivers/mmc/core/core.h
@@ -42,7 +42,7 @@ struct device_node *mmc_of_find_child_device(struct mmc_host *host,
 void mmc_init_erase(struct mmc_card *card);
 
 void mmc_set_chip_select(struct mmc_host *host, int mode);
-void mmc_set_clock(struct mmc_host *host, unsigned int hz);
+extern void mmc_set_clock(struct mmc_host *host, unsigned int hz);
 void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode);
 void mmc_set_bus_width(struct mmc_host *host, unsigned int width);
 u32 mmc_select_voltage(struct mmc_host *host, u32 ocr);
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index b4bcebc..2a642fc 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -975,7 +975,7 @@ static int mmc_select_powerclass(struct mmc_card *card)
 /*
  * Set the bus speed for the selected speed mode.
  */
-static void mmc_set_bus_speed(struct mmc_card *card)
+void mmc_set_bus_speed(struct mmc_card *card)
 {
 	unsigned int max_dtr = (unsigned int)-1;
 
@@ -995,7 +995,7 @@ static void mmc_set_bus_speed(struct mmc_card *card)
  * If the bus width is changed successfully, return the selected width value.
  * Zero is returned instead of error value if the wide width is not supported.
  */
-static int mmc_select_bus_width(struct mmc_card *card)
+int mmc_select_bus_width(struct mmc_card *card)
 {
 	static unsigned ext_csd_bits[] = {
 		EXT_CSD_BUS_WIDTH_8,
@@ -1060,11 +1060,12 @@ static int mmc_select_bus_width(struct mmc_card *card)
 
 	return err;
 }
+EXPORT_SYMBOL_GPL(mmc_select_bus_width);
 
 /*
  * Switch to the high-speed mode
  */
-static int mmc_select_hs(struct mmc_card *card)
+int mmc_select_hs(struct mmc_card *card)
 {
 	int err;
 
@@ -1078,11 +1079,12 @@ static int mmc_select_hs(struct mmc_card *card)
 
 	return err;
 }
+EXPORT_SYMBOL_GPL(mmc_select_hs);
 
 /*
  * Activate wide bus and DDR if supported.
  */
-static int mmc_select_hs_ddr(struct mmc_card *card)
+int mmc_select_hs_ddr(struct mmc_card *card)
 {
 	struct mmc_host *host = card->host;
 	u32 bus_width, ext_csd_bits;
@@ -1151,8 +1153,9 @@ static int mmc_select_hs_ddr(struct mmc_card *card)
 
 	return err;
 }
+EXPORT_SYMBOL_GPL(mmc_select_hs_ddr);
 
-static int mmc_select_hs400(struct mmc_card *card)
+int mmc_select_hs400(struct mmc_card *card)
 {
 	struct mmc_host *host = card->host;
 	unsigned int max_dtr;
@@ -1246,6 +1249,7 @@ static int mmc_select_hs400(struct mmc_card *card)
 	       __func__, err);
 	return err;
 }
+EXPORT_SYMBOL_GPL(mmc_select_hs400);
 
 int mmc_hs200_to_hs400(struct mmc_card *card)
 {
@@ -1524,7 +1528,7 @@ static int mmc_select_hs200(struct mmc_card *card)
 /*
  * Activate High Speed, HS200 or HS400ES mode if supported.
  */
-static int mmc_select_timing(struct mmc_card *card)
+int mmc_select_timing(struct mmc_card *card)
 {
 	int err = 0;
 
@@ -1559,12 +1563,13 @@ static int mmc_select_timing(struct mmc_card *card)
 	mmc_set_bus_speed(card);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(mmc_select_timing);
 
 /*
  * Execute tuning sequence to seek the proper bus operating
  * conditions for HS200 and HS400, which sends CMD21 to the device.
  */
-static int mmc_hs200_tuning(struct mmc_card *card)
+int mmc_hs200_tuning(struct mmc_card *card)
 {
 	struct mmc_host *host = card->host;
 
@@ -1579,6 +1584,7 @@ static int mmc_hs200_tuning(struct mmc_card *card)
 
 	return mmc_execute_tuning(card);
 }
+EXPORT_SYMBOL_GPL(mmc_hs200_tuning);
 
 /*
  * Handle the detection and initialisation of a card.
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index 7b07520..cb679a7 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -68,6 +68,7 @@ enum mmc_issue_type mmc_issue_type(struct mmc_queue *mq, struct request *req)
 
 	return MMC_ISSUE_SYNC;
 }
+EXPORT_SYMBOL_GPL(mmc_issue_type);
 
 static void __mmc_cqe_recovery_notifier(struct mmc_queue *mq)
 {
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index d9a65c6..2884634 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -449,4 +449,13 @@ static inline bool mmc_ready_for_data(u32 status)
 
 #define mmc_driver_type_mask(n)		(1 << (n))
 
+struct mmc_card;
+
+extern int mmc_select_bus_width(struct mmc_card *card);
+extern int mmc_select_hs(struct mmc_card *card);
+extern int mmc_select_hs_ddr(struct mmc_card *card);
+extern int mmc_select_hs400(struct mmc_card *card);
+extern int mmc_hs200_tuning(struct mmc_card *card);
+extern int mmc_select_timing(struct mmc_card *card);
+
 #endif /* LINUX_MMC_MMC_H */
