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mmc: tegra: Perform pad calibration after voltage switch

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Run the automatic pad calibration after voltage switching if
tegra_host->pad_calib_required is set.

Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Aapo Vienamo 2018-08-30 18:06:18 +03:00 committed by Ulf Hansson
parent 51b77c8ea7
commit 44babea2ea
1 changed files with 5 additions and 0 deletions
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5
drivers/mmc/host/sdhci-tegra.c
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@ -587,6 +587,8 @@ 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) {
@ -601,6 +603,9 @@ 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);
return ret;
}