| Message ID | 1478517877-23733-7-git-send-email-riteshh@codeaurora.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 07/11/16 13:24, Ritesh Harjani wrote: > This add get_min_clock() and get_max_clock() callback > for sdhci-msm. sdhci-msm min/max clocks may be different > hence implement these callbacks. > > Signed-off-by: Sahitya Tummala <stummala@codeaurora.org> > Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org> Acked-by: Adrian Hunter <adrian.hunter@intel.com> > --- > drivers/mmc/host/sdhci-msm.c | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c > index 32b0b79..66ca444 100644 > --- a/drivers/mmc/host/sdhci-msm.c > +++ b/drivers/mmc/host/sdhci-msm.c > @@ -68,6 +68,7 @@ > #define CORE_VENDOR_SPEC_CAPABILITIES0 0x11c > > #define TCXO_FREQ 19200000 > +#define SDHCI_MSM_MIN_CLOCK 400000 > > #define CDR_SELEXT_SHIFT 20 > #define CDR_SELEXT_MASK (0xf << CDR_SELEXT_SHIFT) > @@ -559,6 +560,19 @@ static irqreturn_t sdhci_msm_pwr_irq(int irq, void *data) > return IRQ_HANDLED; > } > > +static unsigned int sdhci_msm_get_max_clock(struct sdhci_host *host) > +{ > + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); > + struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); > + > + return clk_round_rate(msm_host->clk, ULONG_MAX); > +} > + > +static unsigned int sdhci_msm_get_min_clock(struct sdhci_host *host) > +{ > + return SDHCI_MSM_MIN_CLOCK; > +} > + > static const struct of_device_id sdhci_msm_dt_match[] = { > { .compatible = "qcom,sdhci-msm-v4" }, > {}, > @@ -570,6 +584,8 @@ static irqreturn_t sdhci_msm_pwr_irq(int irq, void *data) > .platform_execute_tuning = sdhci_msm_execute_tuning, > .reset = sdhci_reset, > .set_clock = sdhci_set_clock, > + .get_min_clock = sdhci_msm_get_min_clock, > + .get_max_clock = sdhci_msm_get_max_clock, > .set_bus_width = sdhci_set_bus_width, > .set_uhs_signaling = sdhci_msm_set_uhs_signaling, > .voltage_switch = sdhci_msm_voltage_switch, > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 32b0b79..66ca444 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -68,6 +68,7 @@ #define CORE_VENDOR_SPEC_CAPABILITIES0 0x11c #define TCXO_FREQ 19200000 +#define SDHCI_MSM_MIN_CLOCK 400000 #define CDR_SELEXT_SHIFT 20 #define CDR_SELEXT_MASK (0xf << CDR_SELEXT_SHIFT) @@ -559,6 +560,19 @@ static irqreturn_t sdhci_msm_pwr_irq(int irq, void *data) return IRQ_HANDLED; } +static unsigned int sdhci_msm_get_max_clock(struct sdhci_host *host) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); + + return clk_round_rate(msm_host->clk, ULONG_MAX); +} + +static unsigned int sdhci_msm_get_min_clock(struct sdhci_host *host) +{ + return SDHCI_MSM_MIN_CLOCK; +} + static const struct of_device_id sdhci_msm_dt_match[] = { { .compatible = "qcom,sdhci-msm-v4" }, {}, @@ -570,6 +584,8 @@ static irqreturn_t sdhci_msm_pwr_irq(int irq, void *data) .platform_execute_tuning = sdhci_msm_execute_tuning, .reset = sdhci_reset, .set_clock = sdhci_set_clock, + .get_min_clock = sdhci_msm_get_min_clock, + .get_max_clock = sdhci_msm_get_max_clock, .set_bus_width = sdhci_set_bus_width, .set_uhs_signaling = sdhci_msm_set_uhs_signaling, .voltage_switch = sdhci_msm_voltage_switch,