diff mbox series

[v3,17/38] mmc: tegra: Perform pad calibration after voltage switch

Message ID 20180830150639.21048-18-avienamo@nvidia.com (mailing list archive)
State New, archived
Headers show
Series Tegra SDHCI add support for HS200 and UHS signaling | expand

Commit Message

Aapo Vienamo Aug. 30, 2018, 3:06 p.m. UTC 
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>
---
 drivers/mmc/host/sdhci-tegra.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index a3e31f18db48..71b3b3e1c648 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -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;
 }