From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f41.google.com (mail-wr1-f41.google.com [209.85.221.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1A77236A37F for ; Thu, 3 Sep 2026 22:59:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.41 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788476368; cv=none; b=h83Z9Dx3lbSYfHwaD296VEF/a3JJwCuY045cCxv0WvjDG2d6uKrF6qsnKfkPUJqIAFmFgogu+mqJwxL1gupk8R7U6MuhfijEASCCFK71HzhOm9QHA3mOSD751Ur7GhWLEn67mwghe4JUYGavqLbezN9UBbm36zvDrGapCJU5oqs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788476368; c=relaxed/simple; bh=q0PEkNH4X+PaMAyot1IOtz3LQ1vAi3SlCfuAqTtRk8k=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=P+SGBO26PEVK8IIg2KHvDP2uOq0BWLyiIbyJ/6sjzFN9NrDrzvXiEZMkeQXFiRkEnlpB0YgW4y23iB2q2Js4rjzr2iXcQCe7J6yoRgNwxqSau4rTeCdOmQ9BEOOo0COm/3pukUX1jKw2QfbcwY7rjFlD4QyRVLRgHWGfGpn/W3A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.com; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.221.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-wr1-f41.google.com with SMTP id ffacd0b85a97d-48584dc164fso374005f8f.0 for ; Thu, 03 Sep 2026 15:59:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788476364; x=1789081164; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=gUDONbWsQf4g8On4R7HSZLyPEP705AHSMo8bYRBit5E=; b=bhjZBWO/rLdkLhI4F7wPjWPA5nj07hVOuiI0/okTAbZDFfd88ClL4J80dg92c9WH69 HTrKt1l3FAmBxE+xeRDKkb9mZN0V0jhEzvuvT1Rec7owmB78Klqg/8oGpYSAVxY1dzUO XxE2yMgJW/VPo/79s9jygCrQBz/Xdkyt3IkLgwtXkFLojxgiPE9VJpjoeIuDYoOZ6K3H Sg2e3rJBr9FvZjV7E5BVnXq/p95gICl7DhmxF2LxillmysWHMLqjxDH5gmZ/F5dcVu94 Ebabs+QdZNH922UBoQde2va/HsJUOPZTmnzckOyPgEViRXOBsqAOwCMl5JbCTs5tRMsH dQDA== X-Forwarded-Encrypted: i=1; AKwUvBwHqVmKKY1e3YUb9ljimb1a9FLOqRf1pnr85tPQz+ynLG3S+wMPQcGPD1r/wFoCilvTgT0SiMO2kcw=@vger.kernel.org X-Gm-Message-State: AFuF++kX42oxVACuVWcVc8Qy9JU3hcbs1auBvtj/BUqH7bXJ5bjw0Khn NK4VRDEHyor6eDK8aQDYWjokncBDje26FVhSMpwRROvn7VDAw2rPI6hB X-Gm-Gg: AYBFou0w/wx+yfEt3Sj0keqppzHcAOo5uJt/Pnfwx+mBzAXB21Whmg7CgvaDKqd4Rvx 1JFv7WImoqa1RVvl3JOWMLGX9JSd9mBsQ6mKzahYKCwrvCpUhmhaZD07WU/5E7Co/u3A7Pqnh17 7T5XlfVj5q/cLTw4bh+BP31VxykhZKKFOe4ee3U/N6FLehhw1DHCR/SS7UkSNkNR6oOMjmaGW9Y 2CNXcG/GD7fDjbuBUkksLf2NPp999dnIf984GKkXqZ0WkMpJt9lgleRJXJTaXq72VXVECk41sg9 XFnqkhoC1MFsMJJsqNYTip1Zx0B+o7noN/oRbsE37j8oIha74SGM34DtUTgH3179j0ppa09uLUo dTWNUEbp9lSv0fPRt316ogy6F4sJYI/5FemW6+3cHPQ4K/fhmMLANHB9QGG4RP9y//T+LpLUZr0 nJwDbsT31J4cYZ0hHEtMgBfLW3W+6WJwhvwbhiWRT2HVE4MIa4i//naauJ28MfWoYdj/epZjoAA b+J7YbXCzc96gmL844Jqfkg1A== X-Received: by 2002:a5d:5f50:0:b0:485:8a46:7059 with SMTP id ffacd0b85a97d-4858a4672acmr372086f8f.43.1788476364181; Thu, 03 Sep 2026 15:59:24 -0700 (PDT) Received: from threads.localdomain ([84.68.179.181]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-485885c5bbdsm1686142f8f.36.2026.09.03.15.59.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Sep 2026 15:59:23 -0700 (PDT) From: Lucas Tanure To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Jerome Brunet , Kevin Hilman , Martin Blumenstingl , Stephen Boyd Cc: Brian Masney , Chuan Liu , Jian Hu , Ronald Claveau , linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/4] amlogic: t7: give the MMC bus pipeline clock real consumers Date: Thu, 3 Sep 2026 23:59:17 +0100 Message-ID: <20260903225921.2290441-1-tanure@linux.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The previous series [2] for the intermittent boot hangs on the VIM4 marked sys_ampipe_nand as critical. But as Chuan Liu from Amlogic explained [1], sys_ampipe_nand clocks a pipeline stage that the hardware design inserts in the bus path between the SD/eMMC controllers and the NIC_MATRIX fabric to help timing closure. So the clock has real consumers: reference it from the three MMC controller nodes and drop CLK_IS_CRITICAL instead. The series crosses three trees; patch 4 (clk) must only land after patches 1-3, otherwise the DMA hangs fixed by 43e1705ecab9 come back. [1] https://lore.kernel.org/linux-amlogic/ (RFC: clk: meson: t7: Intermittent boot instability and memory corruption on VIM4) [2] https://lore.kernel.org/linux-amlogic/ (arm64: amlogic: t7: describe the VIM4 supplies and keep the fabric clocks running) Thanks, Lucas Lucas Tanure (4): dt-bindings: mmc: amlogic,meson-gx-mmc: document the T7 pipeline clock mmc: meson-gx: enable the bus pipeline clock on T7 arm64: dts: amlogic: t7: add the pipeline clock to the MMC controllers clk: meson: t7: don't mark sys_ampipe_nand as critical .../bindings/mmc/amlogic,meson-gx-mmc.yaml | 29 ++++++++++++++++++- arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi | 15 ++++++---- drivers/clk/meson/t7-peripherals.c | 10 +++---- drivers/mmc/host/meson-gx-mmc.c | 21 ++++++++++++++ 4 files changed, 63 insertions(+), 12 deletions(-) -- 2.55.0