From patchwork Sat Feb 24 06:54:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 776016 Received: from mail-pg1-f173.google.com (mail-pg1-f173.google.com [209.85.215.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8ACE21755E for ; Sat, 24 Feb 2024 06:55:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708757755; cv=none; b=eNZDx2kKNIKH2qGMtZ03lZaQcp5mhAvE8x5aSOOifvTDgjGuhLy+RZHrw7B17Lb2BxfzTUiWrrX0bBoaFybkt4tYrOoc5dGFm26mrRGJi8pHGJJHVknOvPdviO0muze9mSJChOAUCVTQ1YBDZLeTABM9UDtn2Puq4HW89UzmUyQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708757755; c=relaxed/simple; bh=lMx8jaitSygvuxgneq9A64SvIefKCHyxvtG/ZW2Dw20=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Reexmm1uCcBxwLhJb4iz3JD8I7DhRC8E88DlSIhllzs3YCjrgfbQYnpb5qq54knwIey93wdtsZR2bgeidkDMIK6R+fdxglhFQuX4wmCVwH/N0RH6oTRDZQCYUvnJocW5tE7j4f1UEcMXU673JwpGlfQNhHQAxPpxarY0HsMHZMM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=ZkeXl0Jb; arc=none smtp.client-ip=209.85.215.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="ZkeXl0Jb" Received: by mail-pg1-f173.google.com with SMTP id 41be03b00d2f7-5dbcfa0eb5dso1393433a12.3 for ; Fri, 23 Feb 2024 22:55:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1708757742; x=1709362542; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=EWp8V5CHI0uxSxSBbNBsR7PWeN0w7yn0quv2v4HN+ko=; b=ZkeXl0Jb+MJlnGoDqdBJhCYyv1tqdkC1+tRTOLbAbyd8qUcdNJ4lv6WYw3g0B/n8AD gynYStUEBAWy9Lohy22jcD9zi6GqVU0f/nzNsCnIm6Yus280HgPgpDxWTiJxLH0NGSYY 0nTsj4joRwPCBLOgEtwGjSfNazPfKxNhoCq2fg9IOnYfY8pWQMH6CNUtv0OueyiOw/v1 pYgB1aJ5QF5c/8wGzkgFSUQYcM9WQHNa/o2k3bvg70F39dQPka8IN+8vhdXudS7VzfOh 3kNJkQC164PPdLehzff51YzILCa3FmjJLMWXOBPfqPA0DNy39jFdXSkaOmtABqf8SRos Jc6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708757742; x=1709362542; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=EWp8V5CHI0uxSxSBbNBsR7PWeN0w7yn0quv2v4HN+ko=; b=hfyp7PJJ/Rxn6RbJIA2mKcZuZoPpzQZQuSV1F87xYRu9IrNlKfRRJSztK0q8OHGoED 6kUu+o4OLTmZTCM7WkfjdFcELTkkaQBX+AqrH3bijNmRnaIKMQI4f6/2z4d6l7POyH2R CQ+SJSDUzGNkLqQ3jpLLTYHBGP7v6N/WiMnj7OB4EKWWUiGe0Z6lJG3qi1qNiaglMIzB lcVtqQxvQuxXbAL4zqHru+/uIePI6X34ad70etuviWZf9Ew8NMqM0S5DlLspMrS1Y6nC 0/VoI6E943wDPzUeh2VT1VNvVyGMF472KR27h3lKHWkYTLW3Hv5yQRkkBDnRHl2DgJDZ 1JnA== X-Forwarded-Encrypted: i=1; AJvYcCV4O0bODs9XjCJduMFZUMZ821C/7jGc/hQV4QWJbA6d/RturtKtgROpDxJns/voG6y1L5arfr+nW+QAeUBmsoNxmwyHeuneyMih1xyMTQ== X-Gm-Message-State: AOJu0Yz6bF/UpZcpEF1H57ieG0X7g0d0cQNtD0CM2rkbZHU+/PytnzJW eIW7CWf/Or7t+hp/rliH4sm3YA0rgW0/TnkZHOV9lZjcmn4DGJX1qkZVOzXDLA== X-Google-Smtp-Source: AGHT+IFIskgaUGsMeIsmD3wiZleHjPkQUC5UtWw1p5Y1MMAUTOUlX+m9mazTIw4TXKmo+YHlNBnbOg== X-Received: by 2002:a05:6a00:929f:b0:6e2:84fd:f1fa with SMTP id jw31-20020a056a00929f00b006e284fdf1famr2371986pfb.27.1708757742305; Fri, 23 Feb 2024 22:55:42 -0800 (PST) Received: from [127.0.1.1] ([120.138.12.46]) by smtp.gmail.com with ESMTPSA id r5-20020aa78b85000000b006e4cb7f4393sm502932pfd.165.2024.02.23.22.55.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Feb 2024 22:55:41 -0800 (PST) From: Manivannan Sadhasivam Date: Sat, 24 Feb 2024 12:24:15 +0530 Subject: [PATCH v8 09/10] PCI: qcom-ep: Use the generic dw_pcie_ep_linkdown() API to handle LINK_DOWN event Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240224-pci-dbi-rework-v8-9-64c7fd0cfe64@linaro.org> References: <20240224-pci-dbi-rework-v8-0-64c7fd0cfe64@linaro.org> In-Reply-To: <20240224-pci-dbi-rework-v8-0-64c7fd0cfe64@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 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 , 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+kc71AcsmYgBl2ZKYYNXTQqfakMhAc2cB0T7CbXovjsrJ1sBzi 8zlVkSivSSJATMEAAEKAB0WIQRnpUMqgUjL2KRYJ5dVnxHm/pHO9QUCZdmSmAAKCRBVnxHm/pHO 9cmyB/4qQE8r3RLSi2d/HtaZZLx8MEt1MwfmzXRoVQvk0BpZk52ucQfYu9tPZHtvn0QhqaeguMG kHvpOq/OjK6ysW9Mz9sksSLuftRowU+M/XSD5auWFruzs+MttLNgKNQ+42pc+8/zaQWqqrWsIqm rTNN6OWSBX2S9AXzHQrGuye7rAP7yNqGKkz49WYveJ7BuIwOumJ1qYjSXZ6ivJotKM30t7m3IuC nFvuH4vEiySlwwuD7OyQLZI5Zc5WQC0TdoFhLKX/170qukRMqF5jK9ngyp750FYG7zK71N2lU5A cdKGTDKtlqjjQuKRQBcEFzzYW037RMl2AedyC9A5V0SNMvMe 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 --- 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;