Messages in this thread | | | Subject | Re: [PATCH 09/10] mmc: tegra: Perform pad calibration after voltage switch | From | Mikko Perttunen <> | Date | Wed, 25 Jul 2018 10:25:16 +0300 |
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On 24.07.2018 17:34, Aapo Vienamo wrote: > Run the automatic pad calibration after voltage switching if > tegra_host->pad_calib_required is set. > > Signed-off-by: Aapo Vienamo <avienamo@nvidia.com> > --- > drivers/mmc/host/sdhci-tegra.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c > index 78781bd..529aa4e7 100644 > --- a/drivers/mmc/host/sdhci-tegra.c > +++ b/drivers/mmc/host/sdhci-tegra.c > @@ -537,6 +537,8 @@ static int sdhci_tegra_start_signal_voltage_switch(struct mmc_host *mmc, > struct mmc_ios *ios) > { > struct sdhci_host *host = mmc_priv(mmc); > + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); > + struct sdhci_tegra *tegra_host = sdhci_pltfm_priv(pltfm_host); > int ret = 0; > > if (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_330) { > @@ -551,6 +553,9 @@ static int sdhci_tegra_start_signal_voltage_switch(struct mmc_host *mmc, > ret = tegra_sdhci_set_padctrl(host, ios->signal_voltage); > } > > + if (tegra_host->pad_calib_required) > + tegra_sdhci_pad_autocalib(host);
What if the autocalibration fails? Should we return an error?
> + > return ret; > } > >
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