From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aapo Vienamo Subject: [PATCH v3 17/38] mmc: tegra: Perform pad calibration after voltage switch Date: Thu, 30 Aug 2018 18:06:18 +0300 Message-ID: <20180830150639.21048-18-avienamo@nvidia.com> References: <20180830150639.21048-1-avienamo@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20180830150639.21048-1-avienamo@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: Rob Herring , Mark Rutland , Thierry Reding , Jonathan Hunter , Ulf Hansson , Adrian Hunter , Mikko Perttunen , Stefan Agner Cc: devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, Aapo Vienamo List-Id: devicetree@vger.kernel.org Run the automatic pad calibration after voltage switching if tegra_host->pad_calib_required is set. Signed-off-by: Aapo Vienamo Acked-by: Thierry Reding --- 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 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; } -- 2.18.0