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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 84CE6CA0FE9 for ; Tue, 26 Aug 2025 08:31:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ZKR4sRWv5RrzKIrQiBybh7Hsjqj/C2You4BNxS0CNqk=; b=pzZJH6AL/0MvqS LGs42svIbaQ2QHOXG6nQJjb8v++Z5ee0OHtYEVIYh5Ml+KdHiLnskdkgacS+ggi3P3Vc1JSJ3A6Iq tVEdHF6+hfoLMTUOXO4z7bk4Lej9HyD4BxSq885cz3P6ywsX4u/uULIWqrnGg4Voo2uEQtxpz3x0S iYXGRW7o3Q633ozZdVMuufJ+HY9/AP2ImAtPkkF8yFd/d4wM8ZoMcEoKUddBAqImOw8DLff9GJ9Sg MuNfeMENyRli2rtepOsrhTMkPamYtjKQL+MKf/XJcAg/8wAB3G8BeGvwNKfGv2Xw8FW+vtm2oMx0A 3lm4EJIGzQGWb8qu3lhg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uqp5f-0000000B1Yo-12g8; Tue, 26 Aug 2025 08:31:39 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uqp26-0000000B0wX-0LJN for linux-phy@lists.infradead.org; Tue, 26 Aug 2025 08:27:58 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 2D994601D7; Tue, 26 Aug 2025 08:27:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1C141C4CEF1; Tue, 26 Aug 2025 08:27:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756196876; bh=Df79SYyilYgfJCuJfjIH+SawlVw49cwhznpS84lpqHI=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Re+NBGxBNrKJekH7/r28bkfrdnu72yVBoXt8UzbGZuRjGUwqheZza32JvTo+Am1Te E6zy01ZGlo0kwoI7c1CJ2pFPiIzRGqjNVb1NjRqGy/YQqt0t2JPGqX30LT2RFTAKXn B4OAWaoneJlCAKFfb4YS0DxPWzXFjM6XVLvPizk+Xqoi5I5Yk/U3U9wJBLkJKAgWY7 FjJV77CiN1nsJe+YU/Udl/MfYdzd2ZrrnCFsakhknKPAmPxCF4q+DlJKC+C9BLGjxj wB6XT2zqfVC7vmf+gjNQlKaVyGFlXH0aYuOFhm4p8KQctXye4PJxyMzEub8DE9o7ad FdR9aLzmIVr3Q== Message-ID: <4583bf66-737d-4029-8f14-ce6d6a75def6@kernel.org> Date: Tue, 26 Aug 2025 10:27:51 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 3/3] PCI: qcom: Restrict port parsing only to pci child nodes To: Krishna Chaitanya Chundru , Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lorenzo Pieralisi , =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= , Manivannan Sadhasivam , Bjorn Helgaas , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, quic_vbadigan@quicinc.com, quic_mrana@quicinc.com References: <20250826-pakala-v2-0-74f1f60676c6@oss.qualcomm.com> <20250826-pakala-v2-3-74f1f60676c6@oss.qualcomm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On 26/08/2025 07:18, Krishna Chaitanya Chundru wrote: > The qcom_pcie_parse_ports() function currently iterates over all available > child nodes of the PCIe controller's device tree node. This can lead to > attempts to parse unrelated nodes like OPP nodes, resulting in unnecessary > errors or misconfiguration. > > Restrict the parsing logic to only consider child nodes named "pcie" or > "pci", which are the expected node names for PCIe ports. > > Signed-off-by: Krishna Chaitanya Chundru > --- > drivers/pci/controller/dwc/pcie-qcom.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c > index 294babe1816e4d0c2b2343fe22d89af72afcd6cd..5dbdb69fbdd1b9b78a3ebba3cd50d78168f2d595 100644 > --- a/drivers/pci/controller/dwc/pcie-qcom.c > +++ b/drivers/pci/controller/dwc/pcie-qcom.c > @@ -1740,6 +1740,8 @@ static int qcom_pcie_parse_ports(struct qcom_pcie *pcie) > int ret = -ENOENT; > > for_each_available_child_of_node_scoped(dev->of_node, of_port) { > + if (!(of_node_name_eq(of_port, "pcie") || of_node_name_eq(of_port, "pci"))) Huh? Where is this ABI documented? Best regards, Krzysztof -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy