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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-30f3651611bsm4617101a91.49.2025.05.21.17.14.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 May 2025 17:14:36 -0700 (PDT) From: Mayank Rana To: linux-pci@vger.kernel.org, lpieralisi@kernel.org, kw@linux.com, robh@kernel.org, bhelgaas@google.com, andersson@kernel.org, manivannan.sadhasivam@linaro.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, devicetree@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org, quic_ramkri@quicinc.com, quic_nkela@quicinc.com, quic_shazhuss@quicinc.com, quic_msarkar@quicinc.com, quic_nitegupt@quicinc.com, Mayank Rana Subject: [PATCH v4 2/4] PCI: host-generic: Rename and export gen_pci_init() to allow ECAM creation Date: Wed, 21 May 2025 17:14:23 -0700 Message-Id: <20250522001425.1506240-3-mayank.rana@oss.qualcomm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250522001425.1506240-1-mayank.rana@oss.qualcomm.com> References: <20250522001425.1506240-1-mayank.rana@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: 4m-um4WwyorNCwRIFX9hipLAAnjZQpLo X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTIxMDI0MCBTYWx0ZWRfX2VFs2R1JqbUM /g8pGDq6rq7A73cus0vnE+djrKDfJo+QO73Z10y/KzVShzALsbiodxr8Acip8hyy2y2h10cNFfS 5yMvFtIkk77fg0X4UJxkw0prpWmdiiW9cpI4ziIK1nZTCTYVpPbbTC5Tdj4R1NNFzbPpK7qiREF kmn9M6n0uhNVTz8KOm1AdC3sicBeY+nodWYPKgXw5G0cNCQkn2Bno7hD67ZRik0wUgXADKfBz70 jHLaAJ9AqfQ7ojgYcQyclmCvFpTdxmYsYDRis/AWWBC+TOilRICqbKn5v8mo98Idnzcx0KCScce hYFtfntcBDeu9PSlc/EfdgtkMuSUWjrz7LrOLUbZYj+drDbjBoJK8PiSbXddAuUp78YtNV9ISDP 2MuQZNROjL/buLp54BS4R7A7Jx31+i+fcmGA6w6Ui69oNSZELotGj0KTVYAn5o1xiTm3zy+q X-Proofpoint-GUID: 4m-um4WwyorNCwRIFX9hipLAAnjZQpLo X-Authority-Analysis: v=2.4 cv=dLCmmPZb c=1 sm=1 tr=0 ts=682e6c6f cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=dt9VzEwgFbYA:10 a=sWKEhP36mHoA:10 a=EUspDBNiAAAA:8 a=CFJw4oUWcMUjKlMiYBEA:9 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-21_07,2025-05-20_03,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 clxscore=1011 adultscore=0 bulkscore=0 phishscore=0 suspectscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 mlxlogscore=999 spamscore=0 priorityscore=1501 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505160000 definitions=main-2505210240 Rename gen_pci_init() API as pci_host_common_init() and export it to create ECAM and initialized ECAM OPs from PCIe driver which don't have way to populate driver_data as just ECAM ops. Signed-off-by: Mayank Rana --- drivers/pci/controller/pci-host-common.c | 5 +++-- include/linux/pci-ecam.h | 2 ++ 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/pci-host-common.c b/drivers/pci/controller/pci-host-common.c index cf5f59a745b3..6e68c66382fa 100644 --- a/drivers/pci/controller/pci-host-common.c +++ b/drivers/pci/controller/pci-host-common.c @@ -20,7 +20,7 @@ static void gen_pci_unmap_cfg(void *ptr) pci_ecam_free((struct pci_config_window *)ptr); } -static struct pci_config_window *gen_pci_init(struct device *dev, +struct pci_config_window *pci_host_common_init(struct device *dev, struct pci_host_bridge *bridge, const struct pci_ecam_ops *ops) { int err; @@ -48,6 +48,7 @@ static struct pci_config_window *gen_pci_init(struct device *dev, return cfg; } +EXPORT_SYMBOL_GPL(pci_host_common_init); int pci_host_common_probe(struct platform_device *pdev) { @@ -69,7 +70,7 @@ int pci_host_common_probe(struct platform_device *pdev) of_pci_check_probe_only(); /* Parse and map our Configuration Space windows */ - cfg = gen_pci_init(dev, bridge, ops); + cfg = pci_host_common_init(dev, bridge, ops); if (IS_ERR(cfg)) return PTR_ERR(cfg); diff --git a/include/linux/pci-ecam.h b/include/linux/pci-ecam.h index 3a4860bd2758..ad6a6170ff26 100644 --- a/include/linux/pci-ecam.h +++ b/include/linux/pci-ecam.h @@ -94,5 +94,7 @@ extern const struct pci_ecam_ops loongson_pci_ecam_ops; /* Loongson PCIe */ /* for DT-based PCI controllers that support ECAM */ int pci_host_common_probe(struct platform_device *pdev); void pci_host_common_remove(struct platform_device *pdev); +struct pci_config_window *pci_host_common_init(struct device *dev, + struct pci_host_bridge *bridge, const struct pci_ecam_ops *ops); #endif #endif