mmc: sdhci: Export sdhci_request()

Allow SDHCI drivers to hook code before and after sdhci_request() by
making it externally visible.
Signed-off-by: NAapo Vienamo <avienamo@nvidia.com>
Acked-by: NAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci.c

@@ -1630,7 +1630,7 @@ EXPORT_SYMBOL_GPL(sdhci_set_power);
  *                                                                           *
 \*****************************************************************************/
 
-static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
+void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
 {
 	struct sdhci_host *host;
 	int present;
@@ -1669,6 +1669,7 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	mmiowb();
 	spin_unlock_irqrestore(&host->lock, flags);
 }
+EXPORT_SYMBOL_GPL(sdhci_request);
 
 void sdhci_set_bus_width(struct sdhci_host *host, int width)
 {

drivers/mmc/host/sdhci.h

@@ -726,6 +726,7 @@ 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_request(struct mmc_host *mmc, struct mmc_request *mrq);
 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);