mmc: sdhci: Rename sdhci_set_power() to sdhci_set_power_noreg()

Unlike other cases, sdhci_set_power() does not reflect the default
implementation of the ->set_power() callback. Rename it and create
sdhci_set_power() that is the default implementation.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci-pxav3.c

@@ -315,7 +315,7 @@ static void pxav3_set_power(struct sdhci_host *host, unsigned char mode,
 	struct mmc_host *mmc = host->mmc;
 	u8 pwr = host->pwr;
 
-	sdhci_set_power(host, mode, vdd);
+	sdhci_set_power_noreg(host, mode, vdd);
 
 	if (host->pwr == pwr)
 		return;

drivers/mmc/host/sdhci.c

@@ -1394,7 +1394,7 @@ static void sdhci_set_power_reg(struct sdhci_host *host, unsigned char mode,
 		sdhci_writeb(host, 0, SDHCI_POWER_CONTROL);
 }
 
-void sdhci_set_power(struct sdhci_host *host, unsigned char mode,
+void sdhci_set_power_noreg(struct sdhci_host *host, unsigned char mode,
 			   unsigned short vdd)
 {
 	u8 pwr = 0;
@@ -1459,20 +1459,17 @@ void sdhci_set_power(struct sdhci_host *host, unsigned char mode,
 			mdelay(10);
 	}
 }
-EXPORT_SYMBOL_GPL(sdhci_set_power);
+EXPORT_SYMBOL_GPL(sdhci_set_power_noreg);
 
-static void __sdhci_set_power(struct sdhci_host *host, unsigned char mode,
+void sdhci_set_power(struct sdhci_host *host, unsigned char mode,
 		     unsigned short vdd)
 {
-	struct mmc_host *mmc = host->mmc;
-
-	if (host->ops->set_power)
-		host->ops->set_power(host, mode, vdd);
-	else if (!IS_ERR(mmc->supply.vmmc))
-		sdhci_set_power_reg(host, mode, vdd);
+	if (IS_ERR(host->mmc->supply.vmmc))
+		sdhci_set_power_noreg(host, mode, vdd);
 	else
-		sdhci_set_power(host, mode, vdd);
+		sdhci_set_power_reg(host, mode, vdd);
 }
+EXPORT_SYMBOL_GPL(sdhci_set_power);
 
 /*****************************************************************************\
  *                                                                           *
@@ -1613,7 +1610,10 @@ static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		}
 	}
 
-	__sdhci_set_power(host, ios->power_mode, ios->vdd);
+	if (host->ops->set_power)
+		host->ops->set_power(host, ios->power_mode, ios->vdd);
+	else
+		sdhci_set_power(host, ios->power_mode, ios->vdd);
 
 	if (host->ops->platform_send_init_74_clocks)
 		host->ops->platform_send_init_74_clocks(host, ios->power_mode);

drivers/mmc/host/sdhci.h

@@ -683,6 +683,8 @@ u16 sdhci_calc_clk(struct sdhci_host *host, unsigned int clock,
 void sdhci_set_clock(struct sdhci_host *host, unsigned int clock);
 void sdhci_set_power(struct sdhci_host *host, unsigned char mode,
 		     unsigned short vdd);
+void sdhci_set_power_noreg(struct sdhci_host *host, unsigned char mode,
+			   unsigned short vdd);
 void sdhci_set_bus_width(struct sdhci_host *host, int width);
 void sdhci_reset(struct sdhci_host *host, u8 mask);
 void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing);