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authorHu Ziji <huziji@marvell.com>2017-03-30 18:22:56 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2017-04-24 22:42:14 +0300
commitc376ea9e46215fbfa09b371f79c821fa5a51f26e (patch)
treea164c59fcdf72e51ecacb2ca755e44e7692783cf /drivers/mmc
parent6a6d4ceb7be0c72b2190f4b6b9d5d8982957fc04 (diff)
downloadlinux-c376ea9e46215fbfa09b371f79c821fa5a51f26e.tar.xz
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>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci.c5
-rw-r--r--drivers/mmc/host/sdhci.h2
2 files changed, 5 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 797babc597c1..4b8ed3bd57f0 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)
{
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);