ANDROID: mmc: core: Export core functions for kernel modules usage

Export core functions for kernel modules usage.

Bug: 343311916
Link:
https://patchwork.kernel.org/project/linux-mmc/patch/20230401165723.19762-3-quic_sartgarg@quicinc.com/

Change-Id: Ia7904a5da3207e6f39590e092a7805e5260cd752
Signed-off-by: Sarthak Garg <quic_sartgarg@quicinc.com>

drivers/mmc/core/core.c

@@ -921,6 +921,7 @@ 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)
 {
@@ -955,6 +956,7 @@ int mmc_execute_tuning(struct mmc_card *card)
 
 	return err;
 }
+EXPORT_SYMBOL_GPL(mmc_execute_tuning);
 
 /*
  * Change the bus mode (open drain/push-pull) of a host.
@@ -964,6 +966,7 @@ void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode)
 	host->ios.bus_mode = mode;
 	mmc_set_ios(host);
 }
+EXPORT_SYMBOL_GPL(mmc_set_bus_mode);
 
 /*
  * Change data bus width of a host.
@@ -973,6 +976,7 @@ void mmc_set_bus_width(struct mmc_host *host, unsigned int width)
 	host->ios.bus_width = width;
 	mmc_set_ios(host);
 }
+EXPORT_SYMBOL_GPL(mmc_set_bus_width);
 
 /*
  * Set initial state after a power cycle or a hw_reset.
@@ -1006,6 +1010,7 @@ 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
@@ -1275,6 +1280,7 @@ 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.

drivers/mmc/core/host.c

@@ -166,6 +166,7 @@ void mmc_retune_hold(struct mmc_host *host)
 		host->retune_now = 1;
 	host->hold_retune += 1;
 }
+EXPORT_SYMBOL(mmc_retune_hold);
 
 void mmc_retune_release(struct mmc_host *host)
 {

drivers/mmc/core/mmc.c

@@ -1002,7 +1002,7 @@ 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,
@@ -1069,11 +1069,12 @@ 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;
 
@@ -1087,11 +1088,12 @@ 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;
@@ -1160,8 +1162,9 @@ 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;
@@ -1255,6 +1258,7 @@ out_err:
 	       __func__, err);
 	return err;
 }
+EXPORT_SYMBOL_GPL(mmc_select_hs400);
 
 int mmc_hs200_to_hs400(struct mmc_card *card)
 {
@@ -1535,7 +1539,7 @@ err:
 /*
  * 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;
 
@@ -1570,12 +1574,13 @@ bus_speed:
 	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;
 
@@ -1590,6 +1595,7 @@ 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.

drivers/mmc/core/mmc_ops.c

@@ -118,6 +118,7 @@ int mmc_select_card(struct mmc_card *card)
 
 	return _mmc_select_card(card->host, card);
 }
+EXPORT_SYMBOL_GPL(mmc_select_card);
 
 int mmc_deselect_cards(struct mmc_host *host)
 {

drivers/mmc/core/queue.c

@@ -69,6 +69,7 @@ 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)
 {