From patchwork Mon May 2 06:06:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 568788 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id ACBA8C433EF for ; Mon, 2 May 2022 06:07:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1383466AbiEBGKj (ORCPT ); Mon, 2 May 2022 02:10:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49626 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1383469AbiEBGK2 (ORCPT ); Mon, 2 May 2022 02:10:28 -0400 Received: from mail-pg1-x52d.google.com (mail-pg1-x52d.google.com [IPv6:2607:f8b0:4864:20::52d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6EF9A5046D for ; Sun, 1 May 2022 23:06:47 -0700 (PDT) Received: by mail-pg1-x52d.google.com with SMTP id v10so10957294pgl.11 for ; Sun, 01 May 2022 23:06:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=TFFLVggrg1ac+VShl7a/O0crU97cZXxJdc7Qv9e6jpo=; b=MRG6uDZiye2a9VzfSOg9GkFQs5ay31pWHHk2FPZGRApfAdH62jlvIoWohPApjbKOHo /O+QVPZE6sLqVffHfG++1ce3NAmeEPvzmU1uGkire2ZaqAQ3LWQoKIw72nQuFTEqzx69 ngOHLqxqDiNyZtIxUseAHw7OkafI+h7eAX8Z9eIlJ2sJtHK1BBmUfCKh8uEp/me5Qt3J 7nOkWE5zs6At7golyrghSvRk0or71dM3Ti4DAobUWQyIaSW/E4CVdl4vfwEd6ekDTtf4 dxqrBIFlQnGhoW3qddIXKiz1GeFexibRJzIPI0A3lREsvkO+eV0cVdqbKMOH7ITG7wNB 2aJg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=TFFLVggrg1ac+VShl7a/O0crU97cZXxJdc7Qv9e6jpo=; b=po7Wn8LTHvK9EC+LHqR+QtEENt1ZEmEhUUlwArtMvuDGbimUQkvaqfXlE72IU0e1pq 7iVP/MFr5ntM2GkTJPdVFgXy8DCKFiUgph8GIZilIRp94hm/iJiJ4Mk+Yyd4KMdoKH26 b706YO00KULL0Du9mHR2IKa6e+yP9bOGLG5l8f8LLLNr9A2m6OQOJoW8clWGSRdrloB7 haqHi9W4wGsTQBHQOsMPuKh5DjpGeRohjHAn+ld3betKb3ada199ahEEw+/i3nai0hd3 y2++dW8Wil1tGz62xKx+iN/eddmaQ2SshL/BGTkaOPWTk2oUSU6+MQWLpsQjvJiscF+O rkCQ== X-Gm-Message-State: AOAM530JjLbJSgAT677GQEF5jV3zLHQ5GYMV6SfdywRWAYi8CmtOBuMH 4xN6zcrEQpnCWJucRYVWq5HN X-Google-Smtp-Source: ABdhPJw9w/hA1X1uXcsqpbETEhCfGo2yjeVJzZGsedrGj0r7LUsHume70kvxejv+Sc5Z/teqJIEhUA== X-Received: by 2002:a63:d04a:0:b0:3c1:65f2:5d09 with SMTP id s10-20020a63d04a000000b003c165f25d09mr8574707pgi.201.1651471606339; Sun, 01 May 2022 23:06:46 -0700 (PDT) Received: from localhost.localdomain ([27.111.75.99]) by smtp.gmail.com with ESMTPSA id h3-20020a62b403000000b0050dc7628181sm3933826pfn.91.2022.05.01.23.06.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 May 2022 23:06:46 -0700 (PDT) From: Manivannan Sadhasivam To: kishon@ti.com, lorenzo.pieralisi@arm.com, kw@linux.com, bhelgaas@google.com, robh@kernel.org Cc: linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Manivannan Sadhasivam Subject: [PATCH 7/8] PCI: qcom-ep: Add support for BME notification Date: Mon, 2 May 2022 11:36:10 +0530 Message-Id: <20220502060611.58987-8-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220502060611.58987-1-manivannan.sadhasivam@linaro.org> References: <20220502060611.58987-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add support to pass BME (Bus Master Enable) notification to Endpoint function driver so that the BME 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 9fb6e960f73d..67ec52ad87bd 100644 --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c @@ -501,6 +501,7 @@ static irqreturn_t qcom_pcie_ep_global_irq_thread(int irq, void *data) } 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; + pci_epc_bme_notify(pci->ep.epc); } else if (FIELD_GET(PARF_INT_ALL_PM_TURNOFF, status)) { dev_dbg(dev, "Received PM Turn-off event! Entering L23\n"); val = readl_relaxed(pcie_ep->parf + PARF_PM_CTRL);