mmc: sdhci: Export sdhci_start_signal_voltage_switch() in sdhci.c
Export sdhci_start_signal_voltage_switch() from sdhci.c.
Thus vendor sdhci driver can implement its own signal voltage
switch routine.
Signed-off-by: Hu Ziji <huziji@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 797babc..4b8ed3b 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1853,8 +1853,8 @@ static void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable)
pm_runtime_put_noidle(host->mmc->parent);
}
-static int sdhci_start_signal_voltage_switch(struct mmc_host *mmc,
- struct mmc_ios *ios)
+int sdhci_start_signal_voltage_switch(struct mmc_host *mmc,
+ struct mmc_ios *ios)
{
struct sdhci_host *host = mmc_priv(mmc);
u16 ctrl;
@@ -1946,6 +1946,7 @@ static int sdhci_start_signal_voltage_switch(struct mmc_host *mmc,
return 0;
}
}
+EXPORT_SYMBOL_GPL(sdhci_start_signal_voltage_switch);
static int sdhci_card_busy(struct mmc_host *mmc)
{