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Subject[PATCH v7 04/13] mmc: sdhci: Export sdhci_start_signal_voltage_switch() in sdhci.c
Date
From: Hu Ziji <huziji@marvell.com>

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>
---
drivers/mmc/host/sdhci.c | 5 +++--
drivers/mmc/host/sdhci.h | 2 ++
2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index d5bca886419d..cc5bb9fb7706 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1847,8 +1847,8 @@ static void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable)
spin_unlock_irqrestore(&host->lock, flags);
}

-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;
@@ -1940,6 +1940,7 @@ 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)
{
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index b0cb805937c0..a741d8da6227 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -704,6 +704,8 @@ void sdhci_reset(struct sdhci_host *host, u8 mask);
void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing);
int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode);
void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios);
+int sdhci_start_signal_voltage_switch(struct mmc_host *mmc,
+ struct mmc_ios *ios);

#ifdef CONFIG_PM
int sdhci_suspend_host(struct sdhci_host *host);
--
git-series 0.9.1
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