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Tue, 25 Feb 2025 01:34:59 -0800 (PST) X-Google-Smtp-Source: AGHT+IH5p+lzZNoFjaemc5VbMk0MbdcpM4QkivSaX2gkc3c/LlopmSOWnSKhdc4+K7HgRdXVaU1feA== X-Received: by 2002:a17:90b:2590:b0:2ee:d63f:d73 with SMTP id 98e67ed59e1d1-2fe68ada4cemr4458969a91.11.1740476099006; Tue, 25 Feb 2025 01:34:59 -0800 (PST) Received: from hu-krichai-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2fe6a3dec52sm1080770a91.20.2025.02.25.01.34.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Feb 2025 01:34:58 -0800 (PST) From: Krishna Chaitanya Chundru Date: Tue, 25 Feb 2025 15:04:02 +0530 Subject: [PATCH v4 05/10] PCI: dwc: Implement .start_link(), .stop_link() hooks Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250225-qps615_v4_1-v4-5-e08633a7bdf8@oss.qualcomm.com> References: <20250225-qps615_v4_1-v4-0-e08633a7bdf8@oss.qualcomm.com> In-Reply-To: <20250225-qps615_v4_1-v4-0-e08633a7bdf8@oss.qualcomm.com> To: Bjorn Helgaas , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , chaitanya chundru , Bjorn Andersson , Konrad Dybcio , cros-qcom-dts-watchers@chromium.org, Jingoo Han , Bartosz Golaszewski Cc: quic_vbadigan@quicnic.com, amitk@kernel.org, dmitry.baryshkov@linaro.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, jorge.ramirez@oss.qualcomm.com, Krishna Chaitanya Chundru X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; 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Signed-off-by: Krishna Chaitanya Chundru --- drivers/pci/controller/dwc/pcie-designware-host.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index ffaded8f2df7..2d3ec61e8dfa 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -697,10 +697,28 @@ void __iomem *dw_pcie_own_conf_map_bus(struct pci_bus *bus, unsigned int devfn, } EXPORT_SYMBOL_GPL(dw_pcie_own_conf_map_bus); +static int dw_pcie_op_start_link(struct pci_bus *bus) +{ + struct dw_pcie_rp *pp = bus->sysdata; + struct dw_pcie *pci = to_dw_pcie_from_pp(pp); + + return dw_pcie_host_start_link(pci); +} + +static void dw_pcie_op_stop_link(struct pci_bus *bus) +{ + struct dw_pcie_rp *pp = bus->sysdata; + struct dw_pcie *pci = to_dw_pcie_from_pp(pp); + + dw_pcie_host_stop_link(pci); +} + static struct pci_ops dw_pcie_ops = { .map_bus = dw_pcie_own_conf_map_bus, .read = pci_generic_config_read, .write = pci_generic_config_write, + .start_link = dw_pcie_op_start_link, + .stop_link = dw_pcie_op_stop_link, }; static int dw_pcie_iatu_setup(struct dw_pcie_rp *pp)