From patchwork Thu Jun 1 14:57:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 689423 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 ADF7EC7EE2A for ; Thu, 1 Jun 2023 14:58:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233568AbjFAO6j (ORCPT ); Thu, 1 Jun 2023 10:58:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40198 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234622AbjFAO60 (ORCPT ); Thu, 1 Jun 2023 10:58:26 -0400 Received: from mail-pg1-x533.google.com (mail-pg1-x533.google.com [IPv6:2607:f8b0:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CCDDE10DC for ; Thu, 1 Jun 2023 07:58:02 -0700 (PDT) Received: by mail-pg1-x533.google.com with SMTP id 41be03b00d2f7-5346d150972so897858a12.3 for ; Thu, 01 Jun 2023 07:58:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1685631482; x=1688223482; 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=FI+i05lzXUFOa/Wt+qCq2zIVxieQpfBQT3yhV8ufVhA=; b=luiwntytbmX2sLwXUJD+GCD4AelS02z0wAnjXKyRcnz2TONRfJx9/jDRnrx9sxosMV l88HaGJQd7NoCbz830SuB5aHfIzoXGH+s8bWfkKnfPc1kMR6D7+1BLzSSNNYp3bQsbZJ E6FSd7ygdv9KV2pSDrz/+KtdPpt7KFtYWB8grWa6N2rrgN2sYH/dGdy+BSKYzNAUGmL6 hmKHbSxQeXgCLj96ntTZP0Vhb44Wvhz6euvvipO2Ey4JjY1kltyzN0J2MmPVtM6K/bcq kdgjDSE7ADUKl0iT2puGrfUK4e3gKlUC5T1OlgOkys0qFvN6I1lKvUqfSG22AYpSXvWo qA+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685631482; x=1688223482; 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=FI+i05lzXUFOa/Wt+qCq2zIVxieQpfBQT3yhV8ufVhA=; b=X+SIGu8TskXsmnYja5NVhoi4h86pKJ7HcXWNk+rIedt/hjl/11v+ji1HWC41V62N6G H6s2d87Y3rws8oJm3Bgi2KeTFdde9oUdQw3TR8nYETkKac6pdOzhBn4AS3V4iEVurR7w uZevDhwZOF2h5MGHf1Vx2oJOLFNcSiboTuNZRAYjZfg7tL19LuXJJCWcuN/jkrkjddq+ zNDlpsgjLSTXajlBu750qlcHYtIgnDLgHK94qJqmYoSoZcPrptVlih5XaqxWEVRfpJEb zl4NAUilSGsE7z6gavwHJR7mZpwIgv7klrVHPmWn2hSaO62/3l3qHdcmoHgL9jD092KE KDWg== X-Gm-Message-State: AC+VfDx+/DXrzJaz7Sl0WUe+lxmKxrgSRL2Rc64/L06pI3YPbR0v7Di/ U2KucZty/3JaXOHet5lzHXLN5V56zAxKT6kTXg== X-Google-Smtp-Source: ACHHUZ4U7+pUjijouXJ4Ywlqnv9Ltli2YHvNZUAVwzrQ/OXE7+AK/HJWqUJA+nyLcxX9FHy4LgI8KA== X-Received: by 2002:a17:902:ced1:b0:1b0:6038:2982 with SMTP id d17-20020a170902ced100b001b060382982mr10438042plg.41.1685631481923; Thu, 01 Jun 2023 07:58:01 -0700 (PDT) Received: from localhost.localdomain ([117.217.186.123]) by smtp.gmail.com with ESMTPSA id o17-20020a170902d4d100b001b0603829a0sm3577826plg.199.2023.06.01.07.57.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Jun 2023 07:58:01 -0700 (PDT) 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 v5 8/9] PCI: qcom-ep: Add support for BME notification Date: Thu, 1 Jun 2023 20:27:17 +0530 Message-Id: <20230601145718.12204-9-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230601145718.12204-1-manivannan.sadhasivam@linaro.org> References: <20230601145718.12204-1-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. Reviewed-by: Kishon Vijay Abraham I 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);