On 14/02/17 19:01, Gregory CLEMENT wrote:
> From: Hu Ziji <huziji@xxxxxxxxxxx>
>
> 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@xxxxxxxxxxx>
> Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> ---
> 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 0e9ed0fadff9..d2338dc362f4 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -1839,8 +1839,8 @@ static void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable)
> spin_unlock_irqrestore(&host->lock, flags);
> }
>
> -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;
> @@ -1932,6 +1932,7 @@ 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 3563c0c384ca..e4a07543a12b 100644
> --- a/drivers/mmc/host/sdhci.h
> +++ b/drivers/mmc/host/sdhci.h
> @@ -692,6 +692,8 @@ 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
> extern int sdhci_suspend_host(struct sdhci_host *host);
>
--
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