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(unknown [172.16.64.208]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id CB98241C0159; Mon, 20 Oct 2025 12:28:57 +0800 (CST) From: hans.zhang@cixtech.com To: bhelgaas@google.com, helgaas@kernel.org, lpieralisi@kernel.org, kw@linux.com, mani@kernel.org, robh@kernel.org, kwilczynski@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: mpillai@cadence.com, fugang.duan@cixtech.com, guoyin.chen@cixtech.com, peter.chen@cixtech.com, cix-kernel-upstream@cixtech.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Hans Zhang Subject: [PATCH v10 01/10] PCI: cadence: Add module support for platform controller driver Date: Mon, 20 Oct 2025 12:28:48 +0800 Message-ID: <20251020042857.706786-2-hans.zhang@cixtech.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20251020042857.706786-1-hans.zhang@cixtech.com> References: <20251020042857.706786-1-hans.zhang@cixtech.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: TY2PEPF0000AB87:EE_|PS1PPF1CDE4C809:EE_ X-MS-Office365-Filtering-Correlation-Id: e0d40da9-fc54-4138-ba94-08de0f91307f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|376014|7416014|36860700013|1800799024|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?oqmIR1oe2+7jOio1Isg8f3eM9HaGFLvy476MQ24Jx4qe0FsZcMHCUduCbQek?= =?us-ascii?Q?dYzRMzSNGOQ/LoNpkJ2clbw6Bowe2XDm2jaVKbXohzhcTsWIiZ4rOeYDzkX5?= =?us-ascii?Q?hEn4ToHEaI0tc9lW1iWnSG9Ob9PfRVRAdIm/q5P6O6DoIvAhs5We8R8Ogu6P?= =?us-ascii?Q?Jqc34XBLfQ3Azr0W3arazsxiOl4a91vvA8Tawe1Z+2Fvmgm81KafJgraOBYR?= =?us-ascii?Q?658karBWfIT9aSuHIMF2BcEz8bR9esTA4R1Pa7obpDRhfFEU5EMmwfS/woyP?= =?us-ascii?Q?9K2ZyDl0IFLTe8YUPJ+jo67fJGqPNggRMmCIIIyhdfbVnGGbF4Box/WKUfH/?= =?us-ascii?Q?ifRbCIB+OJocDWCL6PO/AMmatmFLL+CuBvb3u5PtZTmWfxE5oPg9yjUaIQVH?= =?us-ascii?Q?9oOTLbBHIypBEPAODJkUFrdT0TQzWEovpx/xvAnjywaV5i9ejVHHkLbkSFs8?= =?us-ascii?Q?rkc6k+DFIqiGgVJ7Nw/2SXZNNHXKhexHywEDmg0CCGzN0brWe0tdr+zJNqgs?= =?us-ascii?Q?WgPNYJUWjqV/mdtZYjY5B1Av/WalB7CYce5CNDcyG2D+VHKR/T0zfngUssIe?= =?us-ascii?Q?t9AJJ/sxRxEyQNyCNKKJlIR1MmiFqruqSqmJD/xMUO679lUcCYX/jEYg7Put?= =?us-ascii?Q?JTiUu287bqLEOzm1y89+yC1Ddp3QUks8ENkGTP5a6bkH/6ESASqe5jz0UdDE?= =?us-ascii?Q?haHAZ/GS/Oh+psJpIP0g5mmE6SluwBelVv7iwjRQV16Hl4Py+AB9+YMEyxni?= =?us-ascii?Q?8fcWXbeRD4KiB8Ib+Da8Lp2Wi/eK3gxnPKPjl568s6U2H7phXxeSaERAUbKE?= =?us-ascii?Q?HgPrd2kPqu9Qu8ShzjqWWnnjNFsMmdM2+UxThKvTR2vhTrTvnHiFgD+cR7yP?= =?us-ascii?Q?jn/DKaqq24M2+aiq8jjqNyMm5HUKg17gsdtke85CVVPOkKrakLxF/wSFPALm?= =?us-ascii?Q?FkpNZPpyseyEgDKojjB0CoDxUppPn1efmE/Pgy0GOnV11igyXFLQhxns+EYF?= =?us-ascii?Q?ccVZDvdumGpguXECztE27/FoUFOL34BWX2oMQQNg2xKlQkjOvnflGix6I9kv?= =?us-ascii?Q?qIZZkI6hhHkQAwpCG5cUoPu/xgmzKZd00jC1MoyCi+T6Bso3FwClNQ/l/82j?= =?us-ascii?Q?Aa0tNRP6wvtpC4b/g1w07h584m4NzeizlPjwW17qciGfU/AOmcVJ/xMxcJjy?= =?us-ascii?Q?bDMfTL50x72gGF5nv2T5Xqh8nhB0CPe3vzL3yzw+BgK3zYdNPvKls3Pem0aI?= =?us-ascii?Q?Il6GbAAqBKSBSxToVZj+nLcUTnJx3/huVKdObYpLpyA04iXwpKhT2+qeGyuJ?= =?us-ascii?Q?08e8/46kflqIpTCX0j4lP3Mr6BbnBRiO/6xbzxvYiUnkD+g4xWhtAQhoa3An?= =?us-ascii?Q?PoD21fAflch4v2utlH+4l/NOm7rPgtG2F6dxQw0Cfb9mDj/uwRnXysy2EeYk?= =?us-ascii?Q?/QGml/bA+C1IFzA/vvtoYi0Xo5cji2gCWrWTO9t7QW06hVpWPxleeaKnqvRr?= =?us-ascii?Q?8jJBQbznB0ubslQ4UtVPbI7XIkUKcBkKCe+YHMAHMni3ahSY4Is33C+jAgZf?= =?us-ascii?Q?Eq9FNWmILENwq5l2pPs=3D?= X-Forefront-Antispam-Report: CIP:222.71.101.198;CTRY:CN;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:smtprelay.cixcomputing.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(82310400026)(376014)(7416014)(36860700013)(1800799024)(7053199007);DIR:OUT;SFP:1102; X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Oct 2025 04:28:58.9141 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e0d40da9-fc54-4138-ba94-08de0f91307f X-MS-Exchange-CrossTenant-Id: 0409f77a-e53d-4d23-943e-ccade7cb4811 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=0409f77a-e53d-4d23-943e-ccade7cb4811;Ip=[222.71.101.198];Helo=[smtprelay.cixcomputing.com] X-MS-Exchange-CrossTenant-AuthSource: TY2PEPF0000AB87.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PS1PPF1CDE4C809 Content-Type: text/plain; charset="utf-8" From: Manikandan K Pillai Add support for building PCI cadence platforms as a module. Signed-off-by: Manikandan K Pillai Co-developed-by: Hans Zhang Signed-off-by: Hans Zhang --- drivers/pci/controller/cadence/Kconfig | 6 +++--- drivers/pci/controller/cadence/pcie-cadence-plat.c | 5 ++++- drivers/pci/controller/cadence/pcie-cadence.c | 1 + 3 files changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/pci/controller/cadence/Kconfig b/drivers/pci/controlle= r/cadence/Kconfig index 02a639e55fd8..0b96499ae354 100644 --- a/drivers/pci/controller/cadence/Kconfig +++ b/drivers/pci/controller/cadence/Kconfig @@ -19,10 +19,10 @@ config PCIE_CADENCE_EP select PCIE_CADENCE =20 config PCIE_CADENCE_PLAT - bool + tristate =20 config PCIE_CADENCE_PLAT_HOST - bool "Cadence platform PCIe controller (host mode)" + tristate "Cadence platform PCIe controller (host mode)" depends on OF select PCIE_CADENCE_HOST select PCIE_CADENCE_PLAT @@ -32,7 +32,7 @@ config PCIE_CADENCE_PLAT_HOST vendors SoCs. =20 config PCIE_CADENCE_PLAT_EP - bool "Cadence platform PCIe controller (endpoint mode)" + tristate "Cadence platform PCIe controller (endpoint mode)" depends on OF depends on PCI_ENDPOINT select PCIE_CADENCE_EP diff --git a/drivers/pci/controller/cadence/pcie-cadence-plat.c b/drivers/p= ci/controller/cadence/pcie-cadence-plat.c index 0456845dabb9..ebd5c3afdfcd 100644 --- a/drivers/pci/controller/cadence/pcie-cadence-plat.c +++ b/drivers/pci/controller/cadence/pcie-cadence-plat.c @@ -177,4 +177,7 @@ static struct platform_driver cdns_plat_pcie_driver =3D= { .probe =3D cdns_plat_pcie_probe, .shutdown =3D cdns_plat_pcie_shutdown, }; -builtin_platform_driver(cdns_plat_pcie_driver); +module_platform_driver(cdns_plat_pcie_driver); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Cadence PCIe controller platform driver"); diff --git a/drivers/pci/controller/cadence/pcie-cadence.c b/drivers/pci/co= ntroller/cadence/pcie-cadence.c index bd683d0fecb2..8186947134d6 100644 --- a/drivers/pci/controller/cadence/pcie-cadence.c +++ b/drivers/pci/controller/cadence/pcie-cadence.c @@ -293,6 +293,7 @@ const struct dev_pm_ops cdns_pcie_pm_ops =3D { NOIRQ_SYSTEM_SLEEP_PM_OPS(cdns_pcie_suspend_noirq, cdns_pcie_resume_noirq) }; +EXPORT_SYMBOL_GPL(cdns_pcie_pm_ops); =20 MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Cadence PCIe controller driver"); --=20 2.49.0