From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E2B65C04AAC for ; Mon, 20 May 2019 12:44:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B29BF20815 for ; Mon, 20 May 2019 12:44:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558356298; bh=K/i1J2VARTHB1Re1+MeWCyySYY/NtjnZ0I5Cb6zZXEc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=lAvLF8v+qM+63tSpI5yopwrF1BqnEwv7dGnLiECsM/xoWHR02C1zBCAfk0VAR/M0x Sc6tNpzF49IkSWTvKLw/Megen3BHEd7mBFQ4jiaPG1d1iR8M2RaRmcpmm4iz57fhdp fRSMFjiZun1bUlVxTI0XSu5/u5IBLxguStDBv6WU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388166AbfETM10 (ORCPT ); Mon, 20 May 2019 08:27:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:42994 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389093AbfETM1Z (ORCPT ); Mon, 20 May 2019 08:27:25 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 30A2421479; Mon, 20 May 2019 12:27:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558355244; bh=K/i1J2VARTHB1Re1+MeWCyySYY/NtjnZ0I5Cb6zZXEc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vNZRwm1d0nLEtLiGJJJo4pP1O28Z0YqEdAfh7oLHkgcLXvpBkcLgb8P9imGCRI+9m LEhO47fHx3grLGAwXzNiKHLKlQH8oPRLejlBdktcmppxcybBsjuMxevEngXugT8m0O N6Z5MZEbLigXhEV6oHa5Rh8G5f9z5YgSrIA/Z/7g= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jon Hunter , Adrian Hunter , Sowjanya Komatineni , Ulf Hansson Subject: [PATCH 5.0 044/123] mmc: tegra: fix ddr signaling for non-ddr modes Date: Mon, 20 May 2019 14:13:44 +0200 Message-Id: <20190520115247.665351725@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190520115245.439864225@linuxfoundation.org> References: <20190520115245.439864225@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Sowjanya Komatineni commit 92cd1667d579af5c3ef383680598a112da3695df upstream. ddr_signaling is set to true for DDR50 and DDR52 modes but is not set back to false for other modes. This programs incorrect host clock when mode change happens from DDR52/DDR50 to other SDR or HS modes like incase of mmc_retune where it switches from HS400 to HS DDR and then from HS DDR to HS mode and then to HS200. This patch fixes the ddr_signaling to set properly for non DDR modes. Tested-by: Jon Hunter Acked-by: Adrian Hunter Signed-off-by: Sowjanya Komatineni Cc: stable@vger.kernel.org # v4.20 + Signed-off-by: Ulf Hansson Signed-off-by: Greg Kroah-Hartman --- drivers/mmc/host/sdhci-tegra.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -675,6 +675,7 @@ static void tegra_sdhci_set_uhs_signalin bool set_dqs_trim = false; bool do_hs400_dll_cal = false; + tegra_host->ddr_signaling = false; switch (timing) { case MMC_TIMING_UHS_SDR50: case MMC_TIMING_UHS_SDR104: