Commit c376ea9e authored by Hu Ziji's avatar Hu Ziji Committed by Ulf Hansson

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: default avatarHu Ziji <huziji@marvell.com>
Signed-off-by: default avatarGregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 6a6d4ceb
......@@ -1853,7 +1853,7 @@ 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,
int sdhci_start_signal_voltage_switch(struct mmc_host *mmc,
struct mmc_ios *ios)
{
struct sdhci_host *host = mmc_priv(mmc);
......@@ -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)
{
......
......@@ -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);
......
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