From patchwork Tue Jul 24 14:34:25 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aapo Vienamo X-Patchwork-Id: 10542263 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 45D6D13BB for ; Tue, 24 Jul 2018 14:35:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3625A28AF3 for ; Tue, 24 Jul 2018 14:35:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 294CA28BB3; Tue, 24 Jul 2018 14:35:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1713628AFD for ; Tue, 24 Jul 2018 14:34:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388710AbeGXPli (ORCPT ); Tue, 24 Jul 2018 11:41:38 -0400 Received: from hqemgate14.nvidia.com ([216.228.121.143]:17804 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388373AbeGXPlh (ORCPT ); Tue, 24 Jul 2018 11:41:37 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1, AES128-SHA) id ; Tue, 24 Jul 2018 07:34:43 -0700 Received: from HQMAIL106.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 24 Jul 2018 07:34:51 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 24 Jul 2018 07:34:51 -0700 Received: from HQMAIL110.nvidia.com (172.18.146.15) by HQMAIL106.nvidia.com (172.18.146.12) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 24 Jul 2018 14:34:50 +0000 Received: from HQMAIL105.nvidia.com (172.20.187.12) by hqmail110.nvidia.com (172.18.146.15) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 24 Jul 2018 14:34:50 +0000 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1347.2 via Frontend Transport; Tue, 24 Jul 2018 14:34:50 +0000 Received: from dhcp-10-21-25-168.Nvidia.com (Not Verified[10.21.25.201]) by hqnvemgw01.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Tue, 24 Jul 2018 07:34:49 -0700 From: Aapo Vienamo To: Ulf Hansson , Rob Herring , Mark Rutland , Thierry Reding , Jonathan Hunter , "Adrian Hunter" , Mikko Perttunen CC: , , , , Aapo Vienamo Subject: [PATCH 09/10] mmc: tegra: Perform pad calibration after voltage switch Date: Tue, 24 Jul 2018 17:34:25 +0300 Message-ID: <1532442865-6391-8-git-send-email-avienamo@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1532442865-6391-1-git-send-email-avienamo@nvidia.com> References: <1532442591-5640-1-git-send-email-avienamo@nvidia.com> <1532442865-6391-1-git-send-email-avienamo@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 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); + return ret; }