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

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

drivers/mmc/host/sdhci.c

+3 −2
Original line number Diff line number Diff line
@@ -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)

{

drivers/mmc/host/sdhci.h

+2 −0
Original line number Diff line number Diff line
@@ -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);