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 8A2BFC4332F for ; Tue, 8 Nov 2022 04:57:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233103AbiKHE5q (ORCPT ); Mon, 7 Nov 2022 23:57:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232816AbiKHE5a (ORCPT ); Mon, 7 Nov 2022 23:57:30 -0500 Received: from mail-ed1-x52c.google.com (mail-ed1-x52c.google.com [IPv6:2a00:1450:4864:20::52c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 130D847312; Mon, 7 Nov 2022 20:53:55 -0800 (PST) Received: by mail-ed1-x52c.google.com with SMTP id i21so20716058edj.10; Mon, 07 Nov 2022 20:53:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=pg8ScU3pDth5YYtNSba+y23tAKdqXF6at6ma5iPQR6A=; b=pGvdsmvMKFLMKcPCJ/8gIwtPi3zr+g4v+hyqpNSP1SZ6ryQSKid/FM5BGy4rrZNU72 n63/4aKYpRf8Yx5ig/3MTBoyRD6xLQfS4ZLpUNXMepLGkSyOFw4qq63fA36whOjwwvX6 Zs0iVwIqYwC7cZXF71DFuAKWms7xNV2HVPFu2JirGIYHk51DxN1PpgC9XCS7/cGC2cj+ udl1KzVAGytG3QK43KyAHCBkOf2OC12zTX6khFD9jeGY2yEk6hLltLCEdRXrYO9462DN u/wSz0330JH+QYLkymEmAT65BpxqA9ObL8VOBZaBxTr+IKwk1paW0MaDYlS1oLlacmKx f/2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=pg8ScU3pDth5YYtNSba+y23tAKdqXF6at6ma5iPQR6A=; b=zn8GZ7JpDZBFk38QlgJXHXhgExFo1fL0D9x1wec/w4AlrTyMDP6Bo2jy379Ovs5CJf +eppK01FDoBPMi22Je0u2JHdu1jVcKZq5FLv9zTPXhpfOyXP8k5LByMZWKnmZ3zGVGky 2dSfteq+JWZJ2hM/GLpz0G/H4Vdu4noLmG4aePLR+ekGgXRIlYziQyD2mFR0LgoIIMBv u6EgWBbxVnQ0EuRcxNkYPfcP14FmZuJWT6gnaeKCK4bXqT++lbL2H9iMqNdXuUOfIizb QIsGpIKIUM7/G6+f5Jar8uS/8E59Tp66ioTgDOgpHpy8F3a+fuh1OczAViJRfATzVkp3 CUvg== X-Gm-Message-State: ACrzQf2b1EgSX3ljfAtbK7gjib59nriX/ExWGjMazyM4OGGMHAchw96W kfeDzxCIBgQatJp4PQqaTmU= X-Google-Smtp-Source: AMsMyM6mGObMOMcT/OgXEfSZ/+y0XBnkWG4w7scRQPt88ebiOnXXWel3+lC+Td5lko/J2dEDfjF17A== X-Received: by 2002:aa7:cb09:0:b0:461:e6b6:4bad with SMTP id s9-20020aa7cb09000000b00461e6b64badmr30898511edt.27.1667883233519; Mon, 07 Nov 2022 20:53:53 -0800 (PST) Received: from hp-power-15.localdomain (mm-58-12-212-37.vitebsk.dynamic.pppoe.byfly.by. [37.212.12.58]) by smtp.gmail.com with ESMTPSA id p11-20020a05640210cb00b004637489cf08sm4994444edu.88.2022.11.07.20.53.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Nov 2022 20:53:53 -0800 (PST) From: Siarhei Volkau Cc: Siarhei Volkau , Paul Cercueil , Rob Herring , Krzysztof Kozlowski , Thomas Bogendoerfer , Ulf Hansson , linux-mips@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org Subject: [PATCH 0/2] mmc: jz4740: Don't change parent clock rate for some SoCs Date: Tue, 8 Nov 2022 07:52:58 +0300 Message-Id: <20221108045300.2084671-1-lis8215@gmail.com> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Some SoCs have one clock divider for all MMC units, thus changing one affects others as well. This leads to random hangs and memory corruptions, observed on the JZ4755 based device with two MMC slots used at the same time. List of SoCs affected includes: JZ4725b, JZ4755, JZ4760 and JZ4760b. The MMC core has its own clock divisor and it goes to the first plan in that case. Siarhei Volkau (2): mmc: jz4740: Don't change parent clock rate for some SoCs MIPS: ingenic: rs90: set MMC_MUX clock arch/mips/boot/dts/ingenic/rs90.dts | 5 +++-- drivers/mmc/host/jz4740_mmc.c | 10 +++++++++- 2 files changed, 12 insertions(+), 3 deletions(-) -- 2.36.1