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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6EF35C27C76 for ; Sun, 22 Jan 2023 12:44:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230010AbjAVMoh (ORCPT ); Sun, 22 Jan 2023 07:44:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229644AbjAVMog (ORCPT ); Sun, 22 Jan 2023 07:44:36 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EBCA51CF4F for ; Sun, 22 Jan 2023 04:44:35 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8D07F60244 for ; Sun, 22 Jan 2023 12:44:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 96790C433EF; Sun, 22 Jan 2023 12:44:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1674391475; bh=CG0T3GEV1ZOroj522EeKSLf6adtxOgMz0i0ScrFtEkw=; h=Subject:To:Cc:From:Date:From; b=1EHAkDLiysLyIPSql+cd1sdpNcBfDjt5wZ38ndaYleW/rSFBt7RppG3l6dxp1IUkY ggC3/2FETu6dxFUxfFPVx7YnSTX59n33FmzKDrmIJzEbhNo2vnVteoQa62YmAxwNZ1 teNOQ7kKwITBSd5I8m2p53AyWFfLcj5V1ykJ4b7M= Subject: FAILED: patch "[PATCH] mmc: sdhci-esdhc-imx: correct the tuning start tap and step" failed to apply to 4.19-stable tree To: haibo.chen@nxp.com, adrian.hunter@intel.com, ulf.hansson@linaro.org Cc: From: Date: Sun, 22 Jan 2023 13:44:24 +0100 Message-ID: <16743914643342@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org The patch below does not apply to the 4.19-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . Possible dependencies: 1e336aa0c025 ("mmc: sdhci-esdhc-imx: correct the tuning start tap and step setting") 16e40e5b1e3c ("mmc: sdhci-esdhc-imx: disable the CMD CRC check for standard tuning") 1194be8c949b ("mmc: sdhci-esdhc-imx: fix the mask for tuning start point") 982cf37da3ee ("mmc: sdhci-esdhc-imx: clear pending interrupt and halt cqhci") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 1e336aa0c0250ec84c6f16efac40c9f0138e367d Mon Sep 17 00:00:00 2001 From: Haibo Chen Date: Wed, 7 Dec 2022 19:23:15 +0800 Subject: [PATCH] mmc: sdhci-esdhc-imx: correct the tuning start tap and step setting Current code logic may be impacted by the setting of ROM/Bootloader, so unmask these bits first, then setting these bits accordingly. Fixes: 2b16cf326b70 ("mmc: sdhci-esdhc-imx: move tuning static configuration into hwinit function") Signed-off-by: Haibo Chen Acked-by: Adrian Hunter Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20221207112315.1812222-1-haibo.chen@nxp.com Signed-off-by: Ulf Hansson diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 89ef0c80ac37..9e73c34b6401 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -107,6 +107,7 @@ #define ESDHC_TUNING_START_TAP_DEFAULT 0x1 #define ESDHC_TUNING_START_TAP_MASK 0x7f #define ESDHC_TUNING_CMD_CRC_CHECK_DISABLE (1 << 7) +#define ESDHC_TUNING_STEP_DEFAULT 0x1 #define ESDHC_TUNING_STEP_MASK 0x00070000 #define ESDHC_TUNING_STEP_SHIFT 16 @@ -1368,7 +1369,7 @@ static void sdhci_esdhc_imx_hwinit(struct sdhci_host *host) struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct pltfm_imx_data *imx_data = sdhci_pltfm_priv(pltfm_host); struct cqhci_host *cq_host = host->mmc->cqe_private; - int tmp; + u32 tmp; if (esdhc_is_usdhc(imx_data)) { /* @@ -1423,17 +1424,24 @@ static void sdhci_esdhc_imx_hwinit(struct sdhci_host *host) if (imx_data->socdata->flags & ESDHC_FLAG_STD_TUNING) { tmp = readl(host->ioaddr + ESDHC_TUNING_CTRL); - tmp |= ESDHC_STD_TUNING_EN | - ESDHC_TUNING_START_TAP_DEFAULT; - if (imx_data->boarddata.tuning_start_tap) { - tmp &= ~ESDHC_TUNING_START_TAP_MASK; + tmp |= ESDHC_STD_TUNING_EN; + + /* + * ROM code or bootloader may config the start tap + * and step, unmask them first. + */ + tmp &= ~(ESDHC_TUNING_START_TAP_MASK | ESDHC_TUNING_STEP_MASK); + if (imx_data->boarddata.tuning_start_tap) tmp |= imx_data->boarddata.tuning_start_tap; - } + else + tmp |= ESDHC_TUNING_START_TAP_DEFAULT; if (imx_data->boarddata.tuning_step) { - tmp &= ~ESDHC_TUNING_STEP_MASK; tmp |= imx_data->boarddata.tuning_step << ESDHC_TUNING_STEP_SHIFT; + } else { + tmp |= ESDHC_TUNING_STEP_DEFAULT + << ESDHC_TUNING_STEP_SHIFT; } /* Disable the CMD CRC check for tuning, if not, need to