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From:   Sarthak Garg <quic_sartgarg@quicinc.com>
To:     adrian.hunter@intel.com, ulf.hansson@linaro.org
Cc:     linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
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Subject: [PATCH V1 2/2] mmc: core: Export core functions to let vendors use for their features
Date:   Sat,  1 Apr 2023 22:27:23 +0530
Message-Id: <20230401165723.19762-3-quic_sartgarg@quicinc.com>
In-Reply-To: <20230401165723.19762-1-quic_sartgarg@quicinc.com>
References: <20230401165723.19762-1-quic_sartgarg@quicinc.com>
Precedence: bulk

Export core functions to let vendors use for their internal features.

Signed-off-by: Sarthak Garg <quic_sartgarg@quicinc.com>
---
 drivers/mmc/core/core.c    |  6 ++++++
 drivers/mmc/core/host.c    |  1 +
 drivers/mmc/core/mmc.c     | 18 ++++++++++++------
 drivers/mmc/core/mmc_ops.c |  1 +
 drivers/mmc/core/queue.c   |  1 +
 5 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 3d3e0ca52614..ed44b65f19e0 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -916,6 +916,7 @@ 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)
 {
@@ -950,6 +951,7 @@ 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.
@@ -959,6 +961,7 @@ 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.
@@ -968,6 +971,7 @@ 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.
@@ -1001,6 +1005,7 @@ 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
@@ -1270,6 +1275,7 @@ 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/host.c b/drivers/mmc/core/host.c
index 76900f67c782..1c5eb1d9d585 100644
--- a/drivers/mmc/core/host.c
+++ b/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)
 {
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 32386e4644df..b984a4f90535 100644
--- a/drivers/mmc/core/mmc.c
+++ b/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,
@@ -1067,11 +1067,12 @@ 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;
 
@@ -1085,11 +1086,12 @@ 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;
@@ -1158,8 +1160,9 @@ 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;
@@ -1253,6 +1256,7 @@ 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)
 {
@@ -1533,7 +1537,7 @@ 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;
 
@@ -1568,12 +1572,13 @@ 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;
 
@@ -1588,6 +1593,7 @@ 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/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index 3b3adbddf664..62c16dac9d62 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/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)
 {
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index b396e3900717..2c710d736032 100644
--- a/drivers/mmc/core/queue.c
+++ b/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)
 {
-- 
2.17.1