From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f182.google.com (mail-pl1-f182.google.com [209.85.214.182]) (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 F246B406809 for ; Thu, 9 Jul 2026 09:58:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783591118; cv=none; b=Qxy2/0dLbG79nzlncIoSG+Ih3k50SXKHDIXrkNfnaixURI3gZtcOwAttbJmfPNNwy4Y6uCpk11MoZbCH/mOlbqyiswOC0tSqJfCPOTauMJVEjzx3KGdxe1lVRlLLiXjFJOBut/skL98kIX46SEZfww4mn0zOmwouJWZrovccdtQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783591118; c=relaxed/simple; bh=wBafzaV3gjSM9m4C5Xt10gLLMadwusWzqQ8Oa+RTMik=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sKGVIinEqeL14w2EDVh5kScXM/VKsIwPoWX0KJEN6IJXE6nsDkJpYDA6OyyltQk7g/FvpHDYCjZj9SXCGX61lMvtd2M2aEc48GgokZcky/q7vaMWRFYGgSb57RgKAVriAJlGpFNxUxVlvUo0j+XgeVv6D8/64GSg03n89HQGZmY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=HGewnmle; arc=none smtp.client-ip=209.85.214.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="HGewnmle" Received: by mail-pl1-f182.google.com with SMTP id d9443c01a7336-2cca0c5799eso14101265ad.0 for ; Thu, 09 Jul 2026 02:58:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1783591116; x=1784195916; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=+6qS8sNKqohtOzh0Qv5rdb1r/B7Aj2Rva8hJLtH9EXY=; b=HGewnmleUf1fRlxmhIvnIY9EShmWAYlRiIQ3qU5pDd72sg5Qmc3Q8PXc1/6Kd1BZq9 OgEew67NURfR+qa42DXyz1uvm8K5/XRA3Dic0+kygI1hPhbL21hsXRmB5fobDa/VpXLs /wxg8fcUDutpgbVKSJdAL00O+/s4BduLJqIBM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783591116; x=1784195916; h=content-transfer-encoding:mime-version:references:in-reply-to :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=+6qS8sNKqohtOzh0Qv5rdb1r/B7Aj2Rva8hJLtH9EXY=; b=ZM7070lcOxA8dtjKHd/S+zFc2gSwA38OQTgLYk6u+M61FVUf2eoh0dJC0nMLDObQFI 0GdukETh9UeM3Tf9nWmTxiC7w+pGD2SPPc4r1PWGZ1YMybS+QWIQodsbXEkC5d3XMVag IqvDhO+qcO0S8/jphSoLjsFp00ulFcSZ52IE9tAnNzO1pTV6eFAVwChNQ3qXVw3OhwOh sJI6/efCeR8isydUL96ptwweb/WCJF5IWgmGrdtSJMIhpD/MSgPhwSD5vqWUAmuIyxdV W91Z74KrNL5J3ybYKTDFAID6/GBZ8tnItdktWA0/YJUMKSX9UIceOQdayD9xiQ0O/dXa ajPg== X-Forwarded-Encrypted: i=1; AHgh+RoH/gkasquZBO+W4RBUoyRaBSnvvCYGUxNpA7oihOF2dEFxbSeDTrH2L4lrFsPuxb4fq+dMw2UN8ZWl@vger.kernel.org X-Gm-Message-State: AOJu0YwPUJI+oD3nzO9pnruWABi/LnCAPiHnmbp8Q1tm0aRf0+5uz2qe PaUpGFTHNbAUrIWEMS2Z0iZVpZ5/VDbiLRE3GL5S8fN3/k0lo52QccpSd2ws/cPatw== X-Gm-Gg: AfdE7clM9/NFSf9nYGwOz8KCla94FCa860Jf/HAGJ9w6fJBujHp6rxRpe3Y54MG+ru7 vpIBujoAbwUhfMSx25S8YtC3xoMJzHXzutpL3/QstG+kKED1Sw0SxUEl2BDdJHeTQeKuKrb3wCF sC4XjAzhNKEwdMez7U8zrgAaPCjYujhFAAg0GN/6fngjVUftJ+S966rOBGkyO8oC1sSr2B9wP2+ a4vpCvqsWURpRi8q6ZRH/30gs9BXZNpXD9vxyuWOpviCUfBAmPeNeA411hIJWjeMBlOAJfqAFam f68vEWOausZC4UnQfO4X+8VCX0OyX7/1fJIyAI+8ctO9X4jbjrUTuJxQXNwlrLuda0HrJ8zjGo4 tPad2RHk0R/+RguyZOUTCYOWeUavNr6EdSiDyhdDVfsK8weYtpscICzPb5dHacFenQ3Irt/r1b2 8Hx6cs+CEop+kqidIEo319bnuE15WJgOZri3OBurjK3P5C2l7qpRI+YpEAvnqdcgXBhXki5g== X-Received: by 2002:a17:902:e74e:b0:2ca:e106:8e69 with SMTP id d9443c01a7336-2ccea371b50mr70745585ad.10.1783591116169; Thu, 09 Jul 2026 02:58:36 -0700 (PDT) Received: from wenstp920.tpe.corp.google.com ([2a00:79e0:201d:8:bd09:6ddb:180a:69c5]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ccc9d5bd2fsm41082155ad.78.2026.07.09.02.58.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Jul 2026 02:58:35 -0700 (PDT) From: Chen-Yu Tsai To: Bartosz Golaszewski , Greg Kroah-Hartman , Andy Shevchenko , Daniel Scally , Heikki Krogerus , Sakari Ailus , "Rafael J. Wysocki" , Danilo Krummrich , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno Cc: Chen-Yu Tsai , linux-acpi@vger.kernel.org, driver-core@lists.linux.dev, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Manivannan Sadhasivam , Alan Stern Subject: [PATCH v4 11/14] power: sequencing: pcie-m2: support matching on remote "port" node Date: Thu, 9 Jul 2026 17:57:16 +0800 Message-ID: <20260709095726.704448-12-wenst@chromium.org> X-Mailer: git-send-email 2.55.0.795.g602f6c329a-goog In-Reply-To: <20260709095726.704448-1-wenst@chromium.org> References: <20260709095726.704448-1-wenst@chromium.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit A USB hub can have multiple ports, and this driver needs to differentiate which port is being matched to. The USB hub driver now associates the "port" node with the usb_port device, so here we can use the remote "port" node to check for a match. Then fall back to the remote device node for the other connection types. Also rewrite the existing "remote == dev_of_node(dev)" with device_match_of_node() for consistency. Signed-off-by: Chen-Yu Tsai --- Changes since v3: - Drop redundant device node validity check; device_match_of_node() does it internally (Andy) Changes since v2: - Use device_match_of_node() --- drivers/power/sequencing/pwrseq-pcie-m2.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/power/sequencing/pwrseq-pcie-m2.c b/drivers/power/sequencing/pwrseq-pcie-m2.c index 83fe6a1396bc..733190175f84 100644 --- a/drivers/power/sequencing/pwrseq-pcie-m2.c +++ b/drivers/power/sequencing/pwrseq-pcie-m2.c @@ -175,9 +175,18 @@ static int pwrseq_pcie_m2_match(struct pwrseq_device *pwrseq, * parent matches the OF node of 'dev'. */ for_each_endpoint_of_node(ctx->of_node, endpoint) { + /* USB port devices are tied to the port nodes. */ + struct device_node *remote_port __free(device_node) = + of_graph_get_remote_port(endpoint); + + if (device_match_of_node(dev, remote_port)) + return PWRSEQ_MATCH_OK; + + /* Try the remote port parent for other types. */ struct device_node *remote __free(device_node) = of_graph_get_remote_port_parent(endpoint); - if (remote && (remote == dev_of_node(dev))) + + if (device_match_of_node(dev, remote)) return PWRSEQ_MATCH_OK; } -- 2.55.0.795.g602f6c329a-goog