mmc: sdhci: Export sdhci_dumpregs

Export sdhci_dumpregs so that it can be called by drivers.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Ludovic Desroches <ludovic.desroches@microchip.com>
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 2032bea..7cb25dc 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -52,7 +52,7 @@ static void sdhci_finish_data(struct sdhci_host *);
 
 static void sdhci_enable_preset_value(struct sdhci_host *host, bool enable);
 
-static void sdhci_dumpregs(struct sdhci_host *host)
+void sdhci_dumpregs(struct sdhci_host *host)
 {
 	SDHCI_DUMP("============ SDHCI REGISTER DUMP ===========\n");
 
@@ -113,6 +113,7 @@ static void sdhci_dumpregs(struct sdhci_host *host)
 
 	SDHCI_DUMP("============================================\n");
 }
+EXPORT_SYMBOL_GPL(sdhci_dumpregs);
 
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