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Wed, 10 Jul 2024 11:16:27 GMT Received: from hu-krichai-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 10 Jul 2024 04:16:22 -0700 From: Krishna chaitanya chundru Date: Wed, 10 Jul 2024 16:46:09 +0530 Subject: [PATCH v6 2/5] PCI: dwc: Add wakeup host op to pci_epc_ops Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240710-wakeup_host-v6-2-ef00f31ea38d@quicinc.com> References: <20240710-wakeup_host-v6-0-ef00f31ea38d@quicinc.com> In-Reply-To: <20240710-wakeup_host-v6-0-ef00f31ea38d@quicinc.com> To: Manivannan Sadhasivam , =?utf-8?q?Krzy?= =?utf-8?q?sztof_Wilczy=C5=84ski?= , Kishon Vijay Abraham I , Bjorn Helgaas , Jonathan Corbet , Jingoo Han , Lorenzo Pieralisi , Rob Herring CC: , , , , , , , , , , "Krishna chaitanya chundru" X-Mailer: b4 0.13-dev-83828 X-Developer-Signature: v=1; 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Signed-off-by: Krishna chaitanya chundru --- drivers/pci/controller/dwc/pcie-designware-ep.c | 12 ++++++++++++ drivers/pci/controller/dwc/pcie-designware.h | 1 + 2 files changed, 13 insertions(+) diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index 43ba5c6738df..a20b6bec6078 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -440,6 +440,17 @@ dw_pcie_ep_get_features(struct pci_epc *epc, u8 func_no, u8 vfunc_no) return ep->ops->get_features(ep); } +static bool dw_pcie_ep_wakeup_host(struct pci_epc *epc, u8 func_no, u8 vfunc_no, + bool send_pme) +{ + struct dw_pcie_ep *ep = epc_get_drvdata(epc); + + if (!ep->ops->wakeup_host) + return false; + + return ep->ops->wakeup_host(ep, func_no, send_pme); +} + static const struct pci_epc_ops epc_ops = { .write_header = dw_pcie_ep_write_header, .set_bar = dw_pcie_ep_set_bar, @@ -454,6 +465,7 @@ static const struct pci_epc_ops epc_ops = { .start = dw_pcie_ep_start, .stop = dw_pcie_ep_stop, .get_features = dw_pcie_ep_get_features, + .wakeup_host = dw_pcie_ep_wakeup_host, }; /** diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index 53c4c8f399c8..da15ccd7a3f5 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -365,6 +365,7 @@ struct dw_pcie_ep_ops { */ unsigned int (*get_dbi_offset)(struct dw_pcie_ep *ep, u8 func_no); unsigned int (*get_dbi2_offset)(struct dw_pcie_ep *ep, u8 func_no); + bool (*wakeup_host)(struct dw_pcie_ep *ep, u8 func_no, bool send_pme); }; struct dw_pcie_ep_func {