On 16/11/16 18:00, Ritesh Harjani wrote: > Factor out sdhci_enable_clock from sdhci_set_clock > and make it EXPORT_SYMBOL so that it can be called. This seems fine apart from minor comments below. > > Signed-off-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxxx> > --- > 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..8a89d89 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_clock(struct sdhci_host *host, unsigned short clk) We write a u16 so let's make clk a u16 instead of unsigned short. I would have called it sdhci_enable_clk() to go with sdhci_calc_clk() and slightly different from sdhci_set_clock() which is a callback whereas the other 2 are helpers. > { > - 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_clock); > + > +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_clock(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 766df17..8e77a3b 100644 > --- a/drivers/mmc/host/sdhci.h > +++ b/drivers/mmc/host/sdhci.h > @@ -681,6 +681,7 @@ 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_clock(struct sdhci_host *host, unsigned short 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, > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html