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 CEFFCC79F89 for ; Mon, 5 Jan 2026 12:28:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To: Content-Transfer-Encoding:Content-Type:MIME-Version:Message-Id:Date:Subject: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=FhnBgqCd894h4xDDyalypDS1B5tbKhHsA76XEw2zZxU=; b=eQ5tfSab3dvRqT 1WyGRImKrRXHhxGiU/DSc/jtP21tAyu/ipn/9gDIfmpFY0D6e//eDwaHPeHl2ldQiX90v7SiVgWhl koTIFetl3T6MP/9YdBt/gqRlcyoTNkKV6XyLIDZjf1a749OGkXYeCn4PmpBxEzv5bJmB4KkyPpdlc ZI1NzI+1jICuc/iEaZF0b0KyvEHBlZkVkc8ZuxowGBIuhqqLsBMtvawpJjwI3WFDkB0i/PgQMaYp6 KdtS6GfnOsO3mvjpFILyB61sZZT2g115HPXO3kDvLIcnN6IcuP7HLD1mA9bmls9XUoUiyKOtIzDkf gmqTJo8BBtf4yz3VXIng==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vcjh1-0000000BHG6-14Dz; Mon, 05 Jan 2026 12:28:15 +0000 Received: from mx0b-0031df01.pphosted.com ([205.220.180.131]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vcjgy-0000000BHEp-2ESv for linux-arm-kernel@lists.infradead.org; Mon, 05 Jan 2026 12:28:13 +0000 Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6055ahC84033980 for ; Mon, 5 Jan 2026 12:28:10 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:message-id :mime-version:subject:to; s=qcppdkim1; bh=FhnBgqCd894h4xDDyalypD S1B5tbKhHsA76XEw2zZxU=; b=QPZyalOnblB4vaPsgrD/LCt8SvD882UV71zW0z XdlhiHYZwBkV7qbOm/nIGDNyp1udmWPc/kfJhuFovga4cXZILGzTRMCrnd9sGi9G cqpDsVGpjjO6wUbZIegEEwTOGky17bZME8R++zkstSucabaNjDewwvMyAcy5pSbl vP8wXu4nQMBeTHu0GeVH9XN8MO07EqDd4LIN3BbaAnE57IAJE/AtaYt4W8e209IB OI53NTZVNBTkoU8Yh6A/xWlqDS+Uu6GUT0AfohJ3Cnyv6jz/4hwF37US6bUh6l9y qPFVFC2m5lpT/lmtabxI21tm+4/wuCPim44/h0NY6/1++Ifg== Received: from mail-pl1-f197.google.com (mail-pl1-f197.google.com [209.85.214.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4bg79nh5j6-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 05 Jan 2026 12:28:10 +0000 (GMT) Received: by mail-pl1-f197.google.com with SMTP id d9443c01a7336-2a351686c17so202311105ad.0 for ; Mon, 05 Jan 2026 04:28:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1767616089; x=1768220889; darn=lists.infradead.org; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:from:to:cc:subject:date:message-id:reply-to; bh=FhnBgqCd894h4xDDyalypDS1B5tbKhHsA76XEw2zZxU=; b=gsdZhsvo+TnGnOWU6E/sZmYhZH/fj2ASLW42hc7p8KBNMMOD+fHpNEr07dc68unQIs Tj7rpFYs0OZpGbIH5a8XAbQFD6AtFtpi9vwTJXdp3Ln9KSLeGlacnUnDVzGcAqkhP4IP fWS9dZriyHM2WFoe3g2SEsxbZ/lgVvNSaltekwh9heoCtkT0dFUghyFoKunkryVoIkK4 nmz4QxFV4WeHjtvUOsVtGx8ZvISYfdEb3lBCpkRjRy/fD+2CQhrpYKyax6C7cKD1lhzz YAh5SrTEsVdxpUCBn+cpogkXBiSW9aYBXdPiNVlDa7ZpFB3GQPuoUJi1YMl6n+asb0VP YmUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767616089; x=1768220889; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=FhnBgqCd894h4xDDyalypDS1B5tbKhHsA76XEw2zZxU=; b=DTciArcLbRZS62N5/HwqivTfrYdrG+eUVA3qF+VItNV6QtTz98QgjOBc/+zuxV4D14 0KmeW+T1YT7HUXDIXhRljrgPyO2I0/kzEVATDDugaknDqEdw+mfjn9Yow7WxKGuaQhkg TYuuwJzxDFp+KusnV/nNTbKinj9dWrk1zY75GEYEZ9tREMo9GdB34Xm6vjFRrtbfU9S4 dBQeuj4/uLZ0TrnIkX/TPPJjVbX+Kgn042GjI8WgQQ4kZVwaDY3IaJhPrvyS6XxqVg/z rDWS+71ucLcrhfbY+W7b9wh1mehiswmN5lTzrRQ62UJs4bFwqKfAXMjyNSgBLTXOf3uj +VjA== X-Forwarded-Encrypted: i=1; AJvYcCWFEBk7pM2GaIQnEMUD2/Jyn/45zk7HwRAFjC90/rRJ8Ae8OdrqqwwcckYN4gyXr2vPRqPlF7APYRK+LTvk401+@lists.infradead.org X-Gm-Message-State: AOJu0YzJ78n/+oTf8lA17A1eeDfzr2KRXuqzXBa8tV+mtOT6o3o955NM FeVJBWfts3tNX7ovbXB9c9yeG0l87Pf6bzoUfBOb6Sgz3jrhuShj1iKvkV7BW3tnu8uUtdkF3aw 6UTxmwfljhI7Pi6IO6upVld8d6zsne1lYjjbC3lkkFuaXR7ga4faujrIPpk0efGvCK5wE5I9R6m aSWg== X-Gm-Gg: AY/fxX4LFBtrfxo1N2pjuIzQHsz4Funz46fXTjFEXZqSLuJ1HhghUVgPkqr1GP+x1BD YhwtqCnK9fYQCtkciMV9w2DXDpGXR7W1I0a9Xqyldz49hJxlHTDSu6ELtdDmu7dakK5BbPi0pvU awZGP/KDdoKN/xL39rPJ2LBO7Ujxml8bMMeGStJDsp8tFf3d7L85MDHHNOuwSn9jg8pO6lnSs3S YqNJLfoVeAoFGn1SXRPRjJloskVfZbuUbX5q04PeoUEu3t/Kn8JB2c0Hmgh0bEwH6LeOKz+mpnH cSi92T/XZTowNltAZmsSPrroe5lpBixafOxjtbg46q16DsWoJK4aaLcLMxTpArihKLllD8PTiKT hssvoRXD1NSjOWzepT21KwMAN15kbOwHOOss= X-Received: by 2002:a17:902:e5ca:b0:29e:bf7b:7f36 with SMTP id d9443c01a7336-2a2f2a41a08mr391761075ad.58.1767616089414; Mon, 05 Jan 2026 04:28:09 -0800 (PST) X-Google-Smtp-Source: AGHT+IET+z4gvln2AUwlbFjFw+MzhBkeuBLY3bqxJej2pC+/8tWtSlxole94SJbnplA8xuBW7zdQcg== X-Received: by 2002:a17:902:e5ca:b0:29e:bf7b:7f36 with SMTP id d9443c01a7336-2a2f2a41a08mr391760755ad.58.1767616088758; Mon, 05 Jan 2026 04:28:08 -0800 (PST) Received: from hu-sumk-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a2f3c82a10sm448109275ad.26.2026.01.05.04.27.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Jan 2026 04:28:08 -0800 (PST) From: Sumit Kumar Subject: [PATCH 0/2] PCI: dwc: Add multi-port controller support Date: Mon, 05 Jan 2026 17:57:53 +0530 Message-Id: <20260105-dt-parser-v1-0-b11c63cb5e2c@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAEmuW2kC/3WOy24DIQxFfyViXSJsMBm66n9UXQDjSZCaTArpq FU0/15IF53msbF0LZ9zfRaFc+IinldnkXlKJY2HGuBpJeLOH7YsU1+zQIUECpTsT/Loc6Wk6wK pyNANEUS9P2Ye0tfF9fpW8y6V05i/L+oJ2vbXAmAWlgmkkp1G6nUcYBP4ZSxl/fHp3+O436/ra O4K2tqO12Ak6513JpAZbsH2xYR/zfhfgE1gbPSBSTOEBwK9FOilQFeB7gk1RUIi++j1Brpr0BA RO2vYdfFO8zzPPxbKniedAQAA X-Change-ID: 20251010-dt-parser-98b50ce18fc1 To: Bjorn Helgaas , Jingoo Han , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Alim Akhtar , Richard Zhu , Lucas Stach , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Yue Wang , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Paul Walmsley , Greentime Hu , Samuel Holland , Chuanhua Lei , Marek Vasut , Yoshihiro Shimoda , Geert Uytterhoeven , Magnus Damm , Pratyush Anand , Thierry Reding , Jonathan Hunter Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, imx@lists.linux.dev, linux-amlogic@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-tegra@vger.kernel.org, linux-riscv@lists.infradead.org, Sumit Kumar X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1767616078; l=1933; i=sumit.kumar@oss.qualcomm.com; s=20250409; h=from:subject:message-id; bh=oOdjw5Byp9hHCPO/ockAN81t86SXy2F/vEnb3wQ8Fiw=; b=WU8lb1IRlgnKDoA9DoKTUmSQTgI6f7zeHzmNW0Tkt7aRJYhehUZTwlR+K5OXYgJ0gdfAFYhjX qSneDuM7UF2AaUjsAqusdejjuvDVr2QpTc2oXVQufADAoi3I1PrM2Fo X-Developer-Key: i=sumit.kumar@oss.qualcomm.com; a=ed25519; pk=3cys6srXqLACgA68n7n7KjDeM9JiMK1w6VxzMxr0dnM= X-Proofpoint-GUID: P_iiW1gslbYMeDYGV7We0FQAZ3WtujzS X-Proofpoint-ORIG-GUID: P_iiW1gslbYMeDYGV7We0FQAZ3WtujzS X-Authority-Analysis: v=2.4 cv=Y8P1cxeN c=1 sm=1 tr=0 ts=695bae5a cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=k2kXPNx1VYhKFT5-HLMA:9 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA1MDEwOSBTYWx0ZWRfX0LQ0TxIkGl7M NRW9ZbFSzQ5YUT8hK5AuEITP4WvGdbL+w/mMlBIc+nRORV2Ol/IPjlttytFX9OPNmh8U8+txLC6 wWJKrPwrOJOIfQRg2MSwdrYAt+iWjMGFrtaG6nBznnqLR6W03vah4I5g/C0OPacGmeSpubOKtKp WCv6uxjIeQAovSArrgXBKOCwk3l/Pei6WdGK2kQAObuwGH3UGVpULHV31CSVeo2idC1BnU+YfbS IAxIrVADEVYFh4NcrKMITK9tyTLhjjE+ImYApdz2FzWc9HMLW+6QMbZOcOZPEUlPlcplf1oDaOL /ReRvAr6TQ/myL4fWLjO/mefC12ikkE/AL4Uqq9tP/WJt0xFIrdU/PqdJ545cfLxiy3UiDVGOfm sEq0FzjQFds4tE64ItX9j3C4zzV6tlOGUJF4LSZQVv++fegwCCDNx35t/hLNaS9veIju3IfQJtL +eORpXzwHtP8GNumLag== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-05_01,2025-12-31_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 lowpriorityscore=0 phishscore=0 impostorscore=0 suspectscore=0 clxscore=1011 bulkscore=0 adultscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601050109 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260105_042812_695248_8044DEEE X-CRM114-Status: GOOD ( 15.76 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This series adds support for multi-port PCIe controllers in the DesignWare driver. Currently, the driver only supports a single Root Port with controller-level properties, which doesn't work for multi-port controllers where each port may have different configurations. This series introduces a per-port structure and parsing API that allows each Root Port to be configured independently via pcie@N child nodes in device tree, while maintaining backward compatibility with existing single-port bindings. Signed-off-by: Sumit Kumar --- Sumit Kumar (2): PCI: API changes for multi-port controller support PCI: dwc: Add multi-port controller support drivers/pci/controller/dwc/pci-exynos.c | 4 +- drivers/pci/controller/dwc/pci-imx6.c | 15 +- drivers/pci/controller/dwc/pci-meson.c | 1 - drivers/pci/controller/dwc/pcie-designware-host.c | 168 ++++++++++++++++++---- drivers/pci/controller/dwc/pcie-designware.c | 32 ++--- drivers/pci/controller/dwc/pcie-designware.h | 17 ++- drivers/pci/controller/dwc/pcie-fu740.c | 6 +- drivers/pci/controller/dwc/pcie-intel-gw.c | 13 +- drivers/pci/controller/dwc/pcie-qcom-common.c | 5 +- drivers/pci/controller/dwc/pcie-qcom-ep.c | 4 +- drivers/pci/controller/dwc/pcie-qcom.c | 4 +- drivers/pci/controller/dwc/pcie-rcar-gen4.c | 13 +- drivers/pci/controller/dwc/pcie-spear13xx.c | 5 +- drivers/pci/controller/dwc/pcie-tegra194.c | 4 +- drivers/pci/of.c | 6 +- drivers/pci/pci.h | 2 + 16 files changed, 226 insertions(+), 73 deletions(-) --- base-commit: 097a6c336d0080725c626fda118ecfec448acd0f change-id: 20251010-dt-parser-98b50ce18fc1 Best regards, -- Sumit Kumar