[PATCH V1 2/3] mmc: sdhci: Export sdhci_check_ro function symbol

[Victor Shih]

Export sdhci_check_ro() function symbols which are used by other
SD Host controller drivers modules.

Signed-off-by: Ben Chuang <ben.chuang@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Victor Shih <victor.shih@xxxxxxxxxxxxxxxxxxx>
---
 drivers/mmc/host/sdhci.c | 3 ++-
 drivers/mmc/host/sdhci.h | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 3241916141d7..0c9b2006e24a 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2513,7 +2513,7 @@ int sdhci_get_cd_nogpio(struct mmc_host *mmc)
 }
 EXPORT_SYMBOL_GPL(sdhci_get_cd_nogpio);
 
-static int sdhci_check_ro(struct sdhci_host *host)
+int sdhci_check_ro(struct sdhci_host *host)
 {
 	unsigned long flags;
 	int is_readonly;
@@ -2536,6 +2536,7 @@ static int sdhci_check_ro(struct sdhci_host *host)
 	return host->quirks & SDHCI_QUIRK_INVERTED_WRITE_PROTECT ?
 		!is_readonly : is_readonly;
 }
+EXPORT_SYMBOL_GPL(sdhci_check_ro);
 
 #define SAMPLE_COUNT	5
 
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index f4f2085c274c..54e9e13108e3 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -780,6 +780,7 @@ void sdhci_set_power_and_bus_voltage(struct sdhci_host *host,
 void sdhci_set_power_noreg(struct sdhci_host *host, unsigned char mode,
 			   unsigned short vdd);
 int sdhci_get_cd_nogpio(struct mmc_host *mmc);
+int sdhci_check_ro(struct sdhci_host *host);
 void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq);
 int sdhci_request_atomic(struct mmc_host *mmc, struct mmc_request *mrq);
 void sdhci_set_bus_width(struct sdhci_host *host, int width);
-- 
2.25.1