From c376ea9e46215fbfa09b371f79c821fa5a51f26e Mon Sep 17 00:00:00 2001 From: Hu Ziji Date: Thu, 30 Mar 2017 17:22:56 +0200 Subject: [PATCH] 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 Signed-off-by: Gregory CLEMENT Acked-by: Adrian Hunter Signed-off-by: Ulf Hansson --- 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 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); -- 2.39.2