On 21/11/16 08:37, Ritesh Harjani wrote:
> Factor out sdhci_enable_clk from sdhci_set_clock
> and make it EXPORT_SYMBOL so that it can be called.
>
> Signed-off-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> ---
> drivers/mmc/host/sdhci.c | 28 +++++++++++++++++-----------
> drivers/mmc/host/sdhci.h | 1 +
> 2 files changed, 18 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index d08d507..62aedf1 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -1344,20 +1344,10 @@ u16 sdhci_calc_clk(struct sdhci_host *host, unsigned int clock,
> }
> EXPORT_SYMBOL_GPL(sdhci_calc_clk);
>
> -void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
> +void sdhci_enable_clk(struct sdhci_host *host, u16 clk)
> {
> - u16 clk;
> unsigned long timeout;
>
> - host->mmc->actual_clock = 0;
> -
> - sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
> -
> - if (clock == 0)
> - return;
> -
> - clk = sdhci_calc_clk(host, clock, &host->mmc->actual_clock);
> -
> clk |= SDHCI_CLOCK_INT_EN;
> sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
>
> @@ -1378,6 +1368,22 @@ void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
> clk |= SDHCI_CLOCK_CARD_EN;
> sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
> }
> +EXPORT_SYMBOL_GPL(sdhci_enable_clk);
> +
> +void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
> +{
> + u16 clk;
> +
> + host->mmc->actual_clock = 0;
> +
> + sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
> +
> + if (clock == 0)
> + return;
> +
> + clk = sdhci_calc_clk(host, clock, &host->mmc->actual_clock);
> + sdhci_enable_clk(host, clk);
> +}
> EXPORT_SYMBOL_GPL(sdhci_set_clock);
>
> static void sdhci_set_power_reg(struct sdhci_host *host, unsigned char mode,
> diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
> index 9c35776..2fe9e80 100644
> --- a/drivers/mmc/host/sdhci.h
> +++ b/drivers/mmc/host/sdhci.h
> @@ -682,6 +682,7 @@ static inline bool sdhci_sdio_irq_enabled(struct sdhci_host *host)
> u16 sdhci_calc_clk(struct sdhci_host *host, unsigned int clock,
> unsigned int *actual_clock);
> void sdhci_set_clock(struct sdhci_host *host, unsigned int clock);
> +void sdhci_enable_clk(struct sdhci_host *host, u16 clk);
> void sdhci_set_power(struct sdhci_host *host, unsigned char mode,
> unsigned short vdd);
> void sdhci_set_power_noreg(struct sdhci_host *host, unsigned char mode,
>
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