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Mon, 04 Mar 2024 01:24:19 -0800 (PST) From: Manivannan Sadhasivam Date: Mon, 04 Mar 2024 14:52:21 +0530 Subject: [PATCH v9 09/10] PCI: qcom-ep: Use the generic dw_pcie_ep_linkdown() API to handle LINK_DOWN event Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240304-pci-dbi-rework-v9-9-29d433d99cda@linaro.org> References: <20240304-pci-dbi-rework-v9-0-29d433d99cda@linaro.org> In-Reply-To: <20240304-pci-dbi-rework-v9-0-29d433d99cda@linaro.org> To: Jingoo Han , Gustavo Pimentel , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Rob Herring , Bjorn Helgaas , Marek Vasut , Yoshihiro Shimoda , Thierry Reding , Jonathan Hunter , Kishon Vijay Abraham I , Vidya Sagar , Vignesh Raghavendra , Richard Zhu , Lucas Stach , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Minghuan Lian , Mingkai Hu , Roy Zang , Kunihiko Hayashi , Masami Hiramatsu , Kishon Vijay Abraham I , Jesper Nilsson , Srikanth Thokala Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, Niklas Cassel , linux-arm-kernel@axis.com, Manivannan Sadhasivam X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=1091; i=manivannan.sadhasivam@linaro.org; h=from:subject:message-id; bh=lMx8jaitSygvuxgneq9A64SvIefKCHyxvtG/ZW2Dw20=; b=owEBbQGS/pANAwAKAVWfEeb+kc71AcsmYgBl5ZLYM+2eiwjj5RRthnOv98Z7OtxGghplNJTiy GQRM84GrQuJATMEAAEKAB0WIQRnpUMqgUjL2KRYJ5dVnxHm/pHO9QUCZeWS2AAKCRBVnxHm/pHO 9dHhCACbE5J9y0XzNdYDaP9MkdaF6BTTU7Te5s2Rjsn1arZfo/PurJr7HKfWBVt8SR3xny3liv7 nQC+stRAzfGbP4hMtKJCWlEyC1QTHu35Bs2mp9IC55dlurHRZopufYF7QoqIhmAurClQ7/cq1nr U8BnJkfY1ky5JMTrNAZtwWqc/E84ehS1gBQzNv1+kcyLll0rYCFsFcf0BNOkc8tq80FsWt+rVOY wThHyO5DOD7cT5a/oLbwlIfMB4Xxlbw23ysjE2CIono3ovFtPNHCYRm85rgwGWS7CjCZcYY8zqa op88X4U0dgv8mHlGG6mNc/DzL1Ri6woSmEUdN7cf0h1AosyE X-Developer-Key: i=manivannan.sadhasivam@linaro.org; a=openpgp; fpr=C668AEC3C3188E4C611465E7488550E901166008 Now that the API is available, let's make use of it. It also handles the reinitialization of DWC non-sticky registers in addition to sending the notification to EPF drivers. Signed-off-by: Manivannan Sadhasivam Reviewed-by: Niklas Cassel --- drivers/pci/controller/dwc/pcie-qcom-ep.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c index 2fb8c15e7a91..4e45bc4bca45 100644 --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c @@ -640,7 +640,7 @@ static irqreturn_t qcom_pcie_ep_global_irq_thread(int irq, void *data) if (FIELD_GET(PARF_INT_ALL_LINK_DOWN, status)) { dev_dbg(dev, "Received Linkdown event\n"); pcie_ep->link_status = QCOM_PCIE_EP_LINK_DOWN; - pci_epc_linkdown(pci->ep.epc); + dw_pcie_ep_linkdown(&pci->ep); } else if (FIELD_GET(PARF_INT_ALL_BME, status)) { dev_dbg(dev, "Received BME event. Link is enabled!\n"); pcie_ep->link_status = QCOM_PCIE_EP_LINK_ENABLED;