On 16/07/18 09:26, ernest.zhang wrote:
> Export sdhci tuning function symbols which are used by other SD Host
> controller driver modules.
>
> Signed-off-by: ernest.zhang <ernest.zhang@xxxxxxxxxxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> ---
> Changes in V7:
> Export sdhci tuning function symbols
>
> Changes in V1~V6
> N/A
> ---
> drivers/mmc/host/sdhci.c | 12 ++++++++----
> drivers/mmc/host/sdhci.h | 5 +++++
> 2 files changed, 13 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index a7b5602ef6f7..bcea179a8d70 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -2103,7 +2103,7 @@ static int sdhci_prepare_hs400_tuning(struct mmc_host *mmc, struct mmc_ios *ios)
> return 0;
> }
>
> -static void sdhci_start_tuning(struct sdhci_host *host)
> +void sdhci_start_tuning(struct sdhci_host *host)
> {
> u16 ctrl;
>
> @@ -2126,14 +2126,16 @@ static void sdhci_start_tuning(struct sdhci_host *host)
> sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_INT_ENABLE);
> sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_SIGNAL_ENABLE);
> }
> +EXPORT_SYMBOL_GPL(sdhci_start_tuning);
>
> -static void sdhci_end_tuning(struct sdhci_host *host)
> +void sdhci_end_tuning(struct sdhci_host *host)
> {
> sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
> sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
> }
> +EXPORT_SYMBOL_GPL(sdhci_end_tuning);
>
> -static void sdhci_reset_tuning(struct sdhci_host *host)
> +void sdhci_reset_tuning(struct sdhci_host *host)
> {
> u16 ctrl;
>
> @@ -2142,6 +2144,7 @@ static void sdhci_reset_tuning(struct sdhci_host *host)
> ctrl &= ~SDHCI_CTRL_EXEC_TUNING;
> sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2);
> }
> +EXPORT_SYMBOL_GPL(sdhci_reset_tuning);
>
> static void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode)
> {
> @@ -2162,7 +2165,7 @@ static void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode)
> * interrupt setup is different to other commands and there is no timeout
> * interrupt so special handling is needed.
> */
> -static void sdhci_send_tuning(struct sdhci_host *host, u32 opcode)
> +void sdhci_send_tuning(struct sdhci_host *host, u32 opcode)
> {
> struct mmc_host *mmc = host->mmc;
> struct mmc_command cmd = {};
> @@ -2212,6 +2215,7 @@ static void sdhci_send_tuning(struct sdhci_host *host, u32 opcode)
> msecs_to_jiffies(50));
>
> }
> +EXPORT_SYMBOL_GPL(sdhci_send_tuning);
>
> static void __sdhci_execute_tuning(struct sdhci_host *host, u32 opcode)
> {
> diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
> index 23966f887da6..f0bd36ce3817 100644
> --- a/drivers/mmc/host/sdhci.h
> +++ b/drivers/mmc/host/sdhci.h
> @@ -748,4 +748,9 @@ bool sdhci_cqe_irq(struct sdhci_host *host, u32 intmask, int *cmd_error,
>
> void sdhci_dumpregs(struct sdhci_host *host);
>
> +void sdhci_start_tuning(struct sdhci_host *host);
> +void sdhci_end_tuning(struct sdhci_host *host);
> +void sdhci_reset_tuning(struct sdhci_host *host);
> +void sdhci_send_tuning(struct sdhci_host *host, u32 opcode);
> +
> #endif /* __SDHCI_HW_H */
>
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
