drivers/mmc/core/: make 3 functions static

This patch makes the following needlessly global functions static:
- sd_ops.c: mmc_app_cmd()
- core.c: __mmc_release_bus()
- core.c: mmc_start_request()

Signed-off-by: Adrian Bunk <[e-mail]>
Signed-off-by: Pierre Ossman <[e-mail]>

drivers/mmc/core/core.c

···
 
 EXPORT_SYMBOL(mmc_request_done);
 
-/**
- *	mmc_start_request - start a command on a host
- *	@host: MMC host to start command on
- *	@mrq: MMC request to start
- *
- *	Queue a command on the specified host.  We expect the
- *	caller to be holding the host lock with interrupts disabled.
- */
-void
+static void
 mmc_start_request(struct mmc_host *host, struct mmc_request *mrq)
 {
 #ifdef CONFIG_MMC_DEBUG
···
 	}
 	host->ops->request(host, mrq);
 }
-
-EXPORT_SYMBOL(mmc_start_request);
 
 static void mmc_wait_done(struct mmc_request *mrq)
 {
···
 }
 
 /*
+ * Cleanup when the last reference to the bus operator is dropped.
+ */
+void __mmc_release_bus(struct mmc_host *host)
+{
+	BUG_ON(!host);
+	BUG_ON(host->bus_refs);
+	BUG_ON(!host->bus_dead);
+
+	host->bus_ops = NULL;
+}
+
+/*
+ * Increase reference count of bus operator
+ */
+static inline void mmc_bus_get(struct mmc_host *host)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&host->lock, flags);
+	host->bus_refs++;
+	spin_unlock_irqrestore(&host->lock, flags);
+}
+
+/*
+ * Decrease reference count of bus operator and free it if
+ * it is the last reference.
+ */
+static inline void mmc_bus_put(struct mmc_host *host)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&host->lock, flags);
+	host->bus_refs--;
+	if ((host->bus_refs == 0) && host->bus_ops)
+		__mmc_release_bus(host);
+	spin_unlock_irqrestore(&host->lock, flags);
+}
+
+/*
  * Assign a mmc bus handler to a host. Only one bus handler may control a
  * host at any given time.
  */
···
 	mmc_power_off(host);
 
 	mmc_bus_put(host);
-}
-
-/*
- * Cleanup when the last reference to the bus operator is dropped.
- */
-void __mmc_release_bus(struct mmc_host *host)
-{
-	BUG_ON(!host);
-	BUG_ON(host->bus_refs);
-	BUG_ON(!host->bus_dead);
-
-	host->bus_ops = NULL;
 }
 
 /**

drivers/mmc/core/core.h

···
 void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops);
 void mmc_detach_bus(struct mmc_host *host);
 
-void __mmc_release_bus(struct mmc_host *host);
-
-static inline void mmc_bus_get(struct mmc_host *host)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&host->lock, flags);
-	host->bus_refs++;
-	spin_unlock_irqrestore(&host->lock, flags);
-}
-
-static inline void mmc_bus_put(struct mmc_host *host)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&host->lock, flags);
-	host->bus_refs--;
-	if ((host->bus_refs == 0) && host->bus_ops)
-		__mmc_release_bus(host);
-	spin_unlock_irqrestore(&host->lock, flags);
-}
-
 void mmc_set_chip_select(struct mmc_host *host, int mode);
 void mmc_set_clock(struct mmc_host *host, unsigned int hz);
 void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode);

drivers/mmc/core/sd_ops.c

···
 #include "core.h"
 #include "sd_ops.h"
 
+static int mmc_app_cmd(struct mmc_host *host, struct mmc_card *card)
+{
+	int err;
+	struct mmc_command cmd;
+
+	BUG_ON(!host);
+	BUG_ON(card && (card->host != host));
+
+	cmd.opcode = MMC_APP_CMD;
+
+	if (card) {
+		cmd.arg = card->rca << 16;
+		cmd.flags = MMC_RSP_R1 | MMC_CMD_AC;
+	} else {
+		cmd.arg = 0;
+		cmd.flags = MMC_RSP_R1 | MMC_CMD_BCR;
+	}
+
+	err = mmc_wait_for_cmd(host, &cmd, 0);
+	if (err != MMC_ERR_NONE)
+		return err;
+
+	/* Check that card supported application commands */
+	if (!(cmd.resp[0] & R1_APP_CMD))
+		return MMC_ERR_FAILED;
+
+	return MMC_ERR_NONE;
+}
+
 /**
  *	mmc_wait_for_app_cmd - start an application command and wait for
  			       completion
···
 }
 
 EXPORT_SYMBOL(mmc_wait_for_app_cmd);
-
-int mmc_app_cmd(struct mmc_host *host, struct mmc_card *card)
-{
-	int err;
-	struct mmc_command cmd;
-
-	BUG_ON(!host);
-	BUG_ON(card && (card->host != host));
-
-	cmd.opcode = MMC_APP_CMD;
-
-	if (card) {
-		cmd.arg = card->rca << 16;
-		cmd.flags = MMC_RSP_R1 | MMC_CMD_AC;
-	} else {
-		cmd.arg = 0;
-		cmd.flags = MMC_RSP_R1 | MMC_CMD_BCR;
-	}
-
-	err = mmc_wait_for_cmd(host, &cmd, 0);
-	if (err != MMC_ERR_NONE)
-		return err;
-
-	/* Check that card supported application commands */
-	if (!(cmd.resp[0] & R1_APP_CMD))
-		return MMC_ERR_FAILED;
-
-	return MMC_ERR_NONE;
-}
 
 int mmc_app_set_bus_width(struct mmc_card *card, int width)
 {

drivers/mmc/core/sd_ops.h

···
 #ifndef _MMC_SD_OPS_H
 #define _MMC_SD_OPS_H
 
-int mmc_app_cmd(struct mmc_host *host, struct mmc_card *card);
 int mmc_app_set_bus_width(struct mmc_card *card, int width);
 int mmc_send_app_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr);
 int mmc_send_if_cond(struct mmc_host *host, u32 ocr);