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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-74890083029sm7405077b3a.81.2025.06.16.15.43.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Jun 2025 15:43:05 -0700 (PDT) From: Mayank Rana To: linux-pci@vger.kernel.org, will@kernel.org, lpieralisi@kernel.org, kw@linux.com, robh@kernel.org, bhelgaas@google.com, andersson@kernel.org, mani@kernel.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_shazhuss@quicinc.com, quic_msarkar@quicinc.com, quic_nitegupt@quicinc.com, Mayank Rana Subject: [PATCH v5 2/4] PCI: host-generic: Rename and export gen_pci_init() to allow ECAM creation Date: Mon, 16 Jun 2025 15:42:57 -0700 Message-Id: <20250616224259.3549811-3-mayank.rana@oss.qualcomm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250616224259.3549811-1-mayank.rana@oss.qualcomm.com> References: <20250616224259.3549811-1-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: PWIYxBb6KqcqxisOuF2LbfilVDUQYcM9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjE2MDE2MiBTYWx0ZWRfX11ZuSQl7LGni CERzcSOvPOLnXT0w/TNj/PDfZ6SXXA/ioWkbVUu7Z5MEw2YuFFGrdKLKP0aubGbpw1ZJoDoF8UO vlWK38y++e5S20C8BHh3R+j4Tshq20mYizs6BJmR9tK8oFNp8eXatdT94+r72xNr1fjYTdE+fSP wbTFQhjqPXF8ndoKCZiMaUbWEPG2Z2ucmu8vdJ15K1Ll35nSG9j7umlKBT23PVW9nsYebOC0i10 jWxDo4naYaGJf7nCQUeAZR302ZHWNVOByeabxjxcD9PrwnLH/7yDCbRnCMoejue7X92W2OKKs19 TNVu3Eq3ipqA9eL/sQHRt30DCWb0FrA4P2hKeKWgApWmQ+adu7ElhlJ84Xqm3bHSUMwhWT0UR9y OTR712i5/un52Kcv3+22CPfJ2ZTSWLiHd9ZDMp4qGYsG+n1Qd1F6fIqmd2V68EbZa8gIJIym X-Authority-Analysis: v=2.4 cv=UL/dHDfy c=1 sm=1 tr=0 ts=68509dfb cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=6IFa9wvqVegA:10 a=sWKEhP36mHoA:10 a=EUspDBNiAAAA:8 a=IL0NFLon8k7eL5dmDYQA:9 a=x9snwWr2DeNwDh03kgHS:22 X-Proofpoint-GUID: PWIYxBb6KqcqxisOuF2LbfilVDUQYcM9 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=2025-06-16_11,2025-06-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 clxscore=1015 suspectscore=0 priorityscore=1501 adultscore=0 lowpriorityscore=0 bulkscore=0 spamscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 impostorscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2506160162 Rename gen_pci_init() API as pci_host_common_ecam_create() 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 +++-- drivers/pci/controller/pci-host-common.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 b0992325dd65..5b61b5a9e0f9 100644 --- a/drivers/pci/controller/pci-host-common.c +++ b/drivers/pci/controller/pci-host-common.c @@ -22,7 +22,7 @@ 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_ecam_create(struct device *dev, struct pci_host_bridge *bridge, const struct pci_ecam_ops *ops) { int err; @@ -50,6 +50,7 @@ static struct pci_config_window *gen_pci_init(struct device *dev, return cfg; } +EXPORT_SYMBOL_GPL(pci_host_common_ecam_create); int pci_host_common_init(struct platform_device *pdev, const struct pci_ecam_ops *ops) @@ -65,7 +66,7 @@ int pci_host_common_init(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_ecam_create(dev, bridge, ops); if (IS_ERR(cfg)) return PTR_ERR(cfg); diff --git a/drivers/pci/controller/pci-host-common.h b/drivers/pci/controller/pci-host-common.h index 65bd9e032353..51c35ec0cf37 100644 --- a/drivers/pci/controller/pci-host-common.h +++ b/drivers/pci/controller/pci-host-common.h @@ -17,4 +17,6 @@ int pci_host_common_init(struct platform_device *pdev, const struct pci_ecam_ops *ops); void pci_host_common_remove(struct platform_device *pdev); +struct pci_config_window *pci_host_common_ecam_create(struct device *dev, + struct pci_host_bridge *bridge, const struct pci_ecam_ops *ops); #endif