From patchwork Tue Mar 7 15:14:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 659971 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 3E245C678D4 for ; Tue, 7 Mar 2023 15:18:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231234AbjCGPSM (ORCPT ); Tue, 7 Mar 2023 10:18:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59534 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230336AbjCGPRg (ORCPT ); Tue, 7 Mar 2023 10:17:36 -0500 Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D5798A5D0 for ; Tue, 7 Mar 2023 07:14:45 -0800 (PST) Received: by mail-pl1-x631.google.com with SMTP id v11so14406497plz.8 for ; Tue, 07 Mar 2023 07:14:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1678202085; 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=UG6X0V5nxXAs/7mwFsePGG2/rhZWHmM/NsTiFkA/mm8=; b=YHkphKuDjhtwDazatKKFqREMUkuOcbXYwMKoKsgilp3oVm9M2R1giSizaO40MxRD9u aHBDrHih67JBZ6mouH945gvCBITUgOGkXvgOhCAOLbVNgs6/cn05QFqX5V/vxeqZmYdC tIhbPQpXkj4mi7H3euHOTmClqUNaZU0GQds5tg6ajX2MnktW/NSRCfWI7F4UiIBftfBA xaSojjWTHYt1MD4HF2Ep/8BIBOVxb2yuObJU5AW+wyw8Zbv5vKtbq/dn3a3A4Iub6CrP eg+tIXqkgqLrOCxR+VpfOHA5DH6pKym0iF03Q0EynNQJUcco7JhET45ejlTyb+sDZa8X ykEQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678202085; 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=UG6X0V5nxXAs/7mwFsePGG2/rhZWHmM/NsTiFkA/mm8=; b=EZYQU2FIsQqc4mVYdhD95wAG9emVjlJR+u3BpV+jmX3cMYdEP9E/kmWmEZV8PpY48X amBTxZcTbszaR9WpMRpEMLRTMzniGPWT7GgyL5JdA4SOUN+TNpUgUtI3rp91fJuQT0qS QbTy6mcsOxM8qPqpLMdinEK3/5IKv7vh1cxcj6rUHbXFpgEpb9JYRVH0pIaWuOGijbfX vXjjge74YQEdV04FSt5IoGamwQ0Hw2+JE4uFjAaFcDimOWgHlSWFo4JsYusmnq/LzPY0 KbFMcJ3hKs+9LJAgdQFmEv9aOImC++XN1AbLHISYjgLtKK3dTtn4UOBB6BSHjQjtkztt co/Q== X-Gm-Message-State: AO0yUKXpPJIrAmVJvsEzUR9gnVpIBxunDwZGghEnXncCwoxsNdWJMiZx a+MzrY3aV3+ygOWEIDFsgHIy X-Google-Smtp-Source: AK7set8jxfxzZuh8JJPF6P5YEb2jZqC32slH88BAEnsXRBZwekfSBaARZjVDpy3IyXUCv0Xsv1VPFw== X-Received: by 2002:a17:902:da90:b0:19a:a0d0:10f0 with SMTP id j16-20020a170902da9000b0019aa0d010f0mr17717100plx.23.1678202085374; Tue, 07 Mar 2023 07:14:45 -0800 (PST) Received: from localhost.localdomain ([59.97.52.140]) by smtp.gmail.com with ESMTPSA id t8-20020a17090340c800b0019c2cf12d15sm8549332pld.116.2023.03.07.07.14.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Mar 2023 07:14:44 -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 6/7] PCI: qcom-ep: Add support for BME notification Date: Tue, 7 Mar 2023 20:44:15 +0530 Message-Id: <20230307151416.176595-7-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 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 4ce01ff7527c..1435f516d3f7 100644 --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c @@ -573,6 +573,7 @@ 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);