From patchwork Tue May 17 18:22:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 12852846 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 28697C43217 for ; Tue, 17 May 2022 18:22:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245072AbiEQSW1 (ORCPT ); Tue, 17 May 2022 14:22:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54564 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352080AbiEQSWX (ORCPT ); Tue, 17 May 2022 14:22:23 -0400 Received: from mail-pg1-x535.google.com (mail-pg1-x535.google.com [IPv6:2607:f8b0:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E4F372C134; Tue, 17 May 2022 11:22:18 -0700 (PDT) Received: by mail-pg1-x535.google.com with SMTP id x12so17640380pgj.7; Tue, 17 May 2022 11:22:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=iVU3h4f0WZUD4XgqWW0mRoZDtcwIOGH+1cszdDO/eKk=; b=VgJ7KHGa7GF8GJ1nWAGngQfXo0pUP0Ls5pZ+kEkVbByzzT3HXDz4Y3eAc1M+lNby5I AfMUIUw9cjFBo4dYK+gBynIzj4y6PL20CRPbM2fLAvM1MU+7tFut12Ok0Xwcu9eSDIy+ QmPfFQa/SykOCqHuxmYQOZlsLGc1J6QgSzyoGNGW+jd3H+5ZhO5CtCkI75gEhkmXzlPC N7P7JhFjEqNTbmLFmNNTFX4ZJXweHjUOYIzx4OCZJGGc9OFvSHtaF+aGRFwFL04+Ew0M laljQGm28FpYqfPRsW2TGx6guKcsixJhsh9QpP4tF/KW8Pu2KPn7SpBCBaiXs3Hlw/K6 DiGg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=iVU3h4f0WZUD4XgqWW0mRoZDtcwIOGH+1cszdDO/eKk=; b=eW6OZVc/J+su8o7oPoEPK7YotCFofGskxHMY6jO6lveU90PpBIFKeayJ8XXpj0lFZg 4roZOPoa8jrtpKbLB0irtGeQGTMaCdqk8fjFurmmZnQS9CWDfUs1D9eWfd2q1gmzAGzR A5EQtoDCsxSg6SPWf1X56taoZc2P+xDZ9rmCdfLd2COAcwvFFTe7jM1kWN2QrnKfP577 nek3ohXIv1ZJjpZblK14WdNiGAmgcgzyNgE0i2kfzA70iByFlCxxY29IvndjEuca5Q4u Vxf9i2THnJMDgOEwrO7dSHjrAvuRFVqEneEeQ2CX/flFGeUDB1fbLhyAj1Gy34NmQ7cW j3pw== X-Gm-Message-State: AOAM532/5ExwXBcoqGzfREHxuKDTjy2W7apfg6ne8+wKY3XT07bLrEdx 5Cba4Cc4ELH6jxqywVuZaMtvtGAH55k= X-Google-Smtp-Source: ABdhPJwa3FDrdwTi3pbvAyMPp8xl9lnAKpXXkHdPSPjiZrKHcEq5Vl7UqJA8/5WyJYWSJ6Kji1Pw3w== X-Received: by 2002:a63:8a4a:0:b0:3ab:25b9:5c2 with SMTP id y71-20020a638a4a000000b003ab25b905c2mr20797242pgd.213.1652811737213; Tue, 17 May 2022 11:22:17 -0700 (PDT) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id x4-20020a17090ad68400b001d7dd00c231sm1998141pju.22.2022.05.17.11.22.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 May 2022 11:22:16 -0700 (PDT) From: Florian Fainelli To: stable@vger.kernel.org Cc: Ulf Hansson , Florian Fainelli , Adrian Hunter , Greg Kroah-Hartman , Avri Altman , Bean Huo , Nishad Kamdar , =?utf-8?q?Christian_L=C3=B6hle?= , linux-mmc@vger.kernel.org (open list:MULTIMEDIA CARD (MMC), SECURE DIGITAL (SD) AND...), linux-kernel@vger.kernel.org (open list), alcooperx@gmail.com, kdasu.kdev@gmail.com Subject: [PATCH stable 4.19 1/3] mmc: core: Specify timeouts for BKOPS and CACHE_FLUSH for eMMC Date: Tue, 17 May 2022 11:22:09 -0700 Message-Id: <20220517182211.249775-2-f.fainelli@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220517182211.249775-1-f.fainelli@gmail.com> References: <20220517182211.249775-1-f.fainelli@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org From: Ulf Hansson commit 24ed3bd01d6a844fd5e8a75f48d0a3d10ed71bf9 upstream The timeout values used while waiting for a CMD6 for BKOPS or a CACHE_FLUSH to complete, are not defined by the eMMC spec. However, a timeout of 10 minutes as is currently being used, is just silly for both of these cases. Instead, let's specify more reasonable timeouts, 120s for BKOPS and 30s for CACHE_FLUSH. Signed-off-by: Ulf Hansson Link: https://lore.kernel.org/r/20200122142747.5690-2-ulf.hansson@linaro.org Signed-off-by: Florian Fainelli --- drivers/mmc/core/mmc_ops.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c index 334678707deb..3e10023cf485 100644 --- a/drivers/mmc/core/mmc_ops.c +++ b/drivers/mmc/core/mmc_ops.c @@ -23,7 +23,9 @@ #include "host.h" #include "mmc_ops.h" -#define MMC_OPS_TIMEOUT_MS (10 * 60 * 1000) /* 10 minute timeout */ +#define MMC_OPS_TIMEOUT_MS (10 * 60 * 1000) /* 10min*/ +#define MMC_BKOPS_TIMEOUT_MS (120 * 1000) /* 120s */ +#define MMC_CACHE_FLUSH_TIMEOUT_MS (30 * 1000) /* 30s */ static const u8 tuning_blk_pattern_4bit[] = { 0xff, 0x0f, 0xff, 0x00, 0xff, 0xcc, 0xc3, 0xcc, @@ -986,7 +988,7 @@ void mmc_start_bkops(struct mmc_card *card, bool from_exception) mmc_retune_hold(card->host); err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, - EXT_CSD_BKOPS_START, 1, timeout, 0, + EXT_CSD_BKOPS_START, 1, MMC_BKOPS_TIMEOUT_MS, 0, use_busy_signal, true, false); if (err) { pr_warn("%s: Error %d starting bkops\n", @@ -1016,7 +1018,8 @@ int mmc_flush_cache(struct mmc_card *card) if (mmc_cache_enabled(card->host)) { err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, - EXT_CSD_FLUSH_CACHE, 1, 0); + EXT_CSD_FLUSH_CACHE, 1, + MMC_CACHE_FLUSH_TIMEOUT_MS); if (err) pr_err("%s: cache flush error %d\n", mmc_hostname(card->host), err);