From patchwork Wed Mar 7 13:20:14 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kishon Vijay Abraham I X-Patchwork-Id: 10264019 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B74C5602C8 for ; Wed, 7 Mar 2018 13:21:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A69DD29530 for ; Wed, 7 Mar 2018 13:21:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A41E42950B; Wed, 7 Mar 2018 13:21:32 +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=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID 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 3B82E2954F for ; Wed, 7 Mar 2018 13:21:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754524AbeCGNV2 (ORCPT ); Wed, 7 Mar 2018 08:21:28 -0500 Received: from fllnx210.ext.ti.com ([198.47.19.17]:52219 "EHLO fllnx210.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751220AbeCGNVW (ORCPT ); Wed, 7 Mar 2018 08:21:22 -0500 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by fllnx210.ext.ti.com (8.15.1/8.15.1) with ESMTP id w27DKqol004116; Wed, 7 Mar 2018 07:20:52 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ti.com; s=ti-com-17Q1; t=1520428852; bh=YTDzuY2kr6aE7jY/oJCUHLd716vEJ5gexYRAcH6/5pQ=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=HKQDRVKML+XUAEFBchAfHek2VDS4Ti+UdPQwfXbLfTm7NCSkoE859ICELXQkb6bUW jKrm84LVysyMJ+lsv7MNOfZ6i06L0pDkI8Lqi/6mvE/pMuJHw9debQZlfAhtIselkG Uk249V/yolDb9oKj8RRhi3hMCkp5GfMCB+n8/B9U= Received: from DLEE102.ent.ti.com (dlee102.ent.ti.com [157.170.170.32]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id w27DKqAE016026; Wed, 7 Mar 2018 07:20:52 -0600 Received: from DLEE114.ent.ti.com (157.170.170.25) by DLEE102.ent.ti.com (157.170.170.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1261.35; Wed, 7 Mar 2018 07:20:52 -0600 Received: from dflp33.itg.ti.com (10.64.6.16) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1261.35 via Frontend Transport; Wed, 7 Mar 2018 07:20:52 -0600 Received: from a0393678ub.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id w27DKMnP018331; Wed, 7 Mar 2018 07:20:48 -0600 From: Kishon Vijay Abraham I To: Ulf Hansson , Tony Lindgren , Adrian Hunter CC: Rob Herring , Mark Rutland , Russell King , , , , , , Subject: [PATCH v3 05/11] mmc: sdhci: Disable HS200 mode if controller can't support 1.8v Date: Wed, 7 Mar 2018 18:50:14 +0530 Message-ID: <20180307132020.30951-6-kishon@ti.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180307132020.30951-1-kishon@ti.com> References: <20180307132020.30951-1-kishon@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 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 Though MMC controller can indicate HS200 mode capability (by using "mmc-hs200-1_8v" dt property), if the IO lines in the board is connected to 3.3v supply, HS200 mode cannot be supported. Such boards have "no-1-8-v" property in their dts file. Disable HS200 mode for boards which have "no-1-8-v" set. Signed-off-by: Kishon Vijay Abraham I --- drivers/mmc/host/sdhci.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 2ededa7f43df..aa8b5ca0d1b0 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -3672,6 +3672,7 @@ int sdhci_setup_host(struct sdhci_host *host) if (host->quirks2 & SDHCI_QUIRK2_NO_1_8_V) { host->caps1 &= ~(SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 | SDHCI_SUPPORT_DDR50); + mmc->caps2 &= ~MMC_CAP2_HS200; } /* Any UHS-I mode in caps implies SDR12 and SDR25 support. */