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(unknown [172.16.64.208]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id CD5A941C017A; Sat, 8 Nov 2025 22:03:05 +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 Subject: [PATCH v11 01/10] PCI: cadence: Add module support for platform controller driver Date: Sat, 8 Nov 2025 22:02:56 +0800 Message-ID: <20251108140305.1120117-2-hans.zhang@cixtech.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20251108140305.1120117-1-hans.zhang@cixtech.com> References: <20251108140305.1120117-1-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: OSA0EPF000000C9:EE_|SEZPR06MB6496:EE_ X-MS-Office365-Filtering-Correlation-Id: 5a3abf19-5498-4333-105c-08de1ecf8ad4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|1800799024|36860700013|82310400026|376014|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?qNPX97InEuS9pfIauQ6/B7jJ48umaEvCpTzFhjcAmqipJxVzbjtRgqhDca06?= =?us-ascii?Q?mN3iF5qAAcOeV6XLLp3a6lsANvC/2/JI4MC5IpakXAuH13I46JD/GW8fB0tm?= =?us-ascii?Q?99reLeExE8h33O6LnBrMYT1zBR5CJR2f3vYhUCHX+EnFB3Pt+keGxv/M6CeZ?= =?us-ascii?Q?LiYk5alGbQ3wznNbSKrBuHmFQdwiQ7UqUHhi3sBJUDk6MixnT/DD9T1TUo3N?= =?us-ascii?Q?HkiENxqAfLxuty2q4CesR/u4Cwzb/bguKpQ3O/JnwjfkofrKlW0NEGCaM6d2?= =?us-ascii?Q?4O29Epa2QnN0wCx0ivS2VK3Ckw2c5sHMfNC+LZ4kpuscjTmvqTGJcNxK9x/q?= =?us-ascii?Q?nqaUoL/s9DK9rx2W+erErWlGLXk6JK8c97f+i/ESA8F/13bXTd7y7k13+AOj?= =?us-ascii?Q?0PhpxqK/KqC2Rh29X33djkviqOjsYFWYT+WLGWlzT84L0Vra3ihbE7Rq9gLL?= =?us-ascii?Q?zfCusY3wmnQF1u7FsroYed1nlenHZt/+ZZRHhXy1YS/o28yl0tiyeg6tC7Ob?= =?us-ascii?Q?YBa4L8PUPSz36lmXxnkOr/LFJaGi3S11+OTvhUKzOI1C8SRsSN7R5wTZM29P?= =?us-ascii?Q?QrAOuEdfYGGoh0eWM1DFX2dbnIcAKMG4S+NgxAsWOqkG5B2eB65qXJpmNZC/?= =?us-ascii?Q?1saJw5JzY34ptoTbs9Zk3JCBMK50RhREnJviWKTE+jCnF9FTNk0Gn7OdmO9b?= =?us-ascii?Q?nfia11wZyDxEtEc7oSjznu7uPwCl7OrUVOxTWfy88nxDA5R4lIh0P8Gq7iiH?= =?us-ascii?Q?5Hpry0ZjecBd1lJb/XCssHU9W+I7INr8pYucEpD9CDE/+pjPD9nwpysQUBWo?= =?us-ascii?Q?+lB7xo1W/3sO7F7x1g38gKXw2VQ+KapmIVKxKMrRb1Our+OWaUbtMKNLUMuZ?= =?us-ascii?Q?hfFKWutacSkALZUwBV8h/U1IW09vlqsAY8e3bOI4rFycWSljNnECqeOTl+S3?= =?us-ascii?Q?0jYFOs6HhHf6BMle+5G3uDHFL/GcWi0eXAz6rn8nNg+VJ2t1fXrFe4rpWePM?= =?us-ascii?Q?ieSxgzfC9IW3i4iUGz06TA+QUmriCx4Us6q1/oRKNY3E6YcO0+GtM4O8PmhY?= =?us-ascii?Q?zDyMV5GJ23TQ7Dtbn2tRBn7SIP6nbMrMpdCytg3m3uEsuFXtqgxuRSs4aZup?= =?us-ascii?Q?JxFSlq9Ye+mnEvyjvwdDnZXc3EOHw427NMczNIv+glqcURD9DQY8cegtTnFH?= =?us-ascii?Q?piuHmx6T6QxaCF5BdBaWl1tUKpoanqfy0ZVbX8SSTX42WQeRFFok5Z/xsZ5U?= =?us-ascii?Q?UYNZsyHjS6+LxWR2FXgQDJl5suU7DzA3cnc490qcQDPkIopX9Inu4EjGRLgV?= =?us-ascii?Q?A+u5pnsnitRrbfGxLd4vvLaoMsWHvojCKaq+J3UN9BbFIOGRF/utm0Re7MSh?= =?us-ascii?Q?S8YL0ZtlrPR3yaO45NLqOaiC21eoIGwFLWe0qNvRT+42yo2T33knfkLaTQvn?= =?us-ascii?Q?E2iJCaLr8W5SV5ww7+qnNZNeQAZonzZPpNq1FHkP5NnrG24LjUNyqVX9ThVn?= =?us-ascii?Q?M706Z4bq0CtR34KSq9Gj+4Tqc037bwDOsqwLwRKn1fHJ6aw056Oxl+zMT4g/?= =?us-ascii?Q?aW4UeF585f2CtqsJOBI=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)(7416014)(1800799024)(36860700013)(82310400026)(376014)(7053199007);DIR:OUT;SFP:1102; X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Nov 2025 14:03:06.7166 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5a3abf19-5498-4333-105c-08de1ecf8ad4 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: OSA0EPF000000C9.apcprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SEZPR06MB6496 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 --- 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