From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aapo Vienamo Subject: [PATCH v2 09/10] mmc: tegra: Perform pad calibration after voltage switch Date: Thu, 26 Jul 2018 15:26:55 +0300 Message-ID: <1532608016-14319-10-git-send-email-avienamo@nvidia.com> References: <1532608016-14319-1-git-send-email-avienamo@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1532608016-14319-1-git-send-email-avienamo@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: Ulf Hansson , Rob Herring , Mark Rutland , Thierry Reding , Jonathan Hunter , Adrian Hunter , Mikko Perttunen Cc: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@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 --- 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 295ae7a..8c89f58 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -570,6 +570,8 @@ 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) { @@ -584,6 +586,9 @@ 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; } -- 2.7.4