[PATCH v4 03/12] mmc: sdhci: Export sdhci_execute_tuning() in sdhci.c

Gregory CLEMENT
2016-12-13T17:48:46Z

From: Hu Ziji <huziji@marvell.com>

Export sdhci_execute_tuning() from sdhci.c.
Thus vendor sdhci driver can execute its own tuning process.

Signed-off-by: Hu Ziji <huziji@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
---
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 8e6e4e37e3b4..e971abb1368f 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1950,7 +1950,7 @@ static int sdhci_prepare_hs400_tuning(struct mmc_host *mmc, struct mmc_ios *ios)
return 0;
}

-static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
+int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
{
struct sdhci_host *host = mmc_priv(mmc);
u16 ctrl;
@@ -2139,6 +2139,7 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
spin_unlock_irqrestore(&host->lock, flags);
return err;
}
+EXPORT_SYMBOL_GPL(sdhci_execute_tuning);

static int sdhci_select_drive_strength(struct mmc_card *card,
unsigned int max_dtr, int host_drv,
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index cd18b6f19c3b..95beadc66849 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -691,6 +691,7 @@ void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing);
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);
+int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode);

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