From patchwork Tue Mar 7 15:14:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 1753313 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=HNUPtFiv; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4PWJws4hGyz246k for ; Wed, 8 Mar 2023 02:18:05 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230310AbjCGPSD (ORCPT ); Tue, 7 Mar 2023 10:18:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33258 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230335AbjCGPRf (ORCPT ); Tue, 7 Mar 2023 10:17:35 -0500 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE671570A6 for ; Tue, 7 Mar 2023 07:14:42 -0800 (PST) Received: by mail-pj1-x1031.google.com with SMTP id oj5so13492163pjb.5 for ; Tue, 07 Mar 2023 07:14:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1678202082; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=VAvWJkbCnkvCCrjEbntOUm0v01njPW2wZQKEuX5KGW0=; b=HNUPtFivuXck9bKH1v/OW+mJdGen3G1yROd35N9fSwvXOESdOYuwuwRsourE1FGH6a VkbWNV9qDYEPfwm/PhwxdCG48bc1+nBl5pj1B4AhW97hfwJSo9HV6UicIxBIWeburtsq 69VCHPr86Xjiji3vItjVaSC2BUx/1K4hAoob6wFHNzCcj8E9dzQiV5WEGsRRWlVRuRBT M0W+gih57ordX2DGX3tqSIWjHrl/vzWMrS7Tfsz1gm9yAQ4byhn4766nJkaZzb1qm88B eeovI1O6W+PMItNUw/73iKhLEvTgYz4Xml79jMm4nhYWXzX4AtsinX5T8uonCT/+kjqD BnYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678202082; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=VAvWJkbCnkvCCrjEbntOUm0v01njPW2wZQKEuX5KGW0=; b=ndxieJowPvQgzdCNXRhJJ3L82qkdYb7O0oBu9OwZa3Ib113f2nQ07TYyhJHh4Muq6x 9JDei40r8dApAcSoh7xzbgDAVMZJQPMH30ABHglllH69XuYb8Y4tfU5qMD92Hv1br+8K mnIgkW0LzZRHz0HcxbpAnuNu/FhbiPFU8aM0JI71gaGo54w6cnF5y/x96FhnkzJJC90p 35YmX7izLFy4ZI0inZxDS1vfHFBBTXIp6Y7z6kTMgskuiOLXB95KXYfIXmjTNOJKuLb9 n3WsO9O6q9LPR7mLBisEnXU2VK/RtaViKIEi16xydAzOAv+dxT1R9krLb1LwSJHlbm5p 0kFw== X-Gm-Message-State: AO0yUKXWvxmQ2V2GRC+aUXtixeZQDT3YMZo3jFa5oWdgneRkCiucS+5O wxVhk6OOrSJsMxFb+wbavpYAUWLk/eo0FEtcOw== X-Google-Smtp-Source: AK7set+NUD7sY2Ur8p8ntBFn2P5LOHIRjGP4dKqf/Ivc6AgvQmjtWWshdsWI1aJ8GMKYcX2YlpadFQ== X-Received: by 2002:a17:902:ec8f:b0:19a:972a:7cb3 with SMTP id x15-20020a170902ec8f00b0019a972a7cb3mr19475595plg.60.1678202082304; Tue, 07 Mar 2023 07:14:42 -0800 (PST) Received: from localhost.localdomain ([59.97.52.140]) by smtp.gmail.com with ESMTPSA id t8-20020a17090340c800b0019c2cf12d15sm8549332pld.116.2023.03.07.07.14.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Mar 2023 07:14:41 -0800 (PST) From: Manivannan Sadhasivam To: lpieralisi@kernel.org, kw@linux.com Cc: kishon@kernel.org, bhelgaas@google.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Manivannan Sadhasivam Subject: [PATCH v2 5/7] PCI: qcom-ep: Add support for Link down notification Date: Tue, 7 Mar 2023 20:44:14 +0530 Message-Id: <20230307151416.176595-6-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230307151416.176595-1-manivannan.sadhasivam@linaro.org> References: <20230307151416.176595-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Add support to pass Link down notification to Endpoint function driver so that the LINK_DOWN event can be processed by the function. Signed-off-by: Manivannan Sadhasivam --- drivers/pci/controller/dwc/pcie-qcom-ep.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c index 19b32839ea26..4ce01ff7527c 100644 --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c @@ -569,6 +569,7 @@ 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); } 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;