From patchwork Tue Sep 15 13:45:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinath Mannam X-Patchwork-Id: 11776733 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 298DB6CA for ; Tue, 15 Sep 2020 14:12:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0670821D7D for ; Tue, 15 Sep 2020 14:12:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="FE/uY5xZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726783AbgIOOMW (ORCPT ); Tue, 15 Sep 2020 10:12:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59306 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726815AbgIOOI2 (ORCPT ); Tue, 15 Sep 2020 10:08:28 -0400 Received: from mail-pj1-x1042.google.com (mail-pj1-x1042.google.com [IPv6:2607:f8b0:4864:20::1042]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B398FC0611C2 for ; Tue, 15 Sep 2020 06:46:22 -0700 (PDT) Received: by mail-pj1-x1042.google.com with SMTP id a9so1803282pjg.1 for ; Tue, 15 Sep 2020 06:46:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=rgoatpPEep+AjT30Mye6VvozNsyBb0uBUKnSsty40P0=; b=FE/uY5xZIO2hyih0TY8Kk+GNLuKbNHwGhwfJlJlTn0x25KvEKzKwPIXhtT1FiH82ky RvvXicGvXhRegmv+6a3/aG9rthMjIg5O5vM+D2AsADTOl5CvyKHgcY7xwaMiUw5qckDt gBSrWdy4AdPAUh+T4wM1AjGZfJ21HHvWZCVio= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=rgoatpPEep+AjT30Mye6VvozNsyBb0uBUKnSsty40P0=; b=WUb+SD8AJCygLS9KFatt4b3h1K6yL9uc32d6UH8yw/H/HlZUJtEeM0TAGYJODix38c m5z9ZAmZ4SbP7p3nsjvwTRcs1lmLCqFV8wQtvgbzO3S2fpqKRPXyztP+/EZo1djVWKsa XeuOZVpfk6brRroZdYaNn6vyi1lcfmLXRLaRL4h1u+lvgYFgigYfh9VpwYRk2ncCxlWK pDjVP508mTYkuLF63ROnzuztxunJaQtmpY66fnqVvizPXr2h9OaTLAhh65Em/ziqngbX iwrAPBpT1AC8YOVNcKTZlt8s4eEN2tbhB5TxB0B2MtwONhD9fYJOtmI1FeF7qspJ2X2l 9o6Q== X-Gm-Message-State: AOAM531kA77k906QKjMaRmVCu/2C//9L9FcoTWp545+23PuFGHju6wn/ aMM+UOxKQbIFJ06lSi+rPyVTHg== X-Google-Smtp-Source: ABdhPJxYK1MAcd2/B7aGqsEyn9aiL4htZpxzgynwGVzaM1yHVH97Hv0zf4MumRJTswkc/O3h4l46Pw== X-Received: by 2002:a17:902:fe0b:b029:d1:9bd3:6e20 with SMTP id g11-20020a170902fe0bb02900d19bd36e20mr19833487plj.31.1600177582178; Tue, 15 Sep 2020 06:46:22 -0700 (PDT) Received: from mannams-OptiPlex-7010.dhcp.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id jz6sm12471478pjb.22.2020.09.15.06.46.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Sep 2020 06:46:21 -0700 (PDT) From: Srinath Mannam To: Lorenzo Pieralisi , Bjorn Helgaas , Ray Jui Cc: bcm-kernel-feedback-list@broadcom.com, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Srinath Mannam Subject: [PATCH v2 3/3] PCI: iproc: Display PCIe Link information Date: Tue, 15 Sep 2020 19:15:41 +0530 Message-Id: <20200915134541.14711-4-srinath.mannam@broadcom.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200915134541.14711-1-srinath.mannam@broadcom.com> References: <20200915134541.14711-1-srinath.mannam@broadcom.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org After successful linkup more comprehensive information about PCIe link speed and link width will be displayed to the console. Signed-off-by: Srinath Mannam --- drivers/pci/controller/pcie-iproc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/pci/controller/pcie-iproc.c b/drivers/pci/controller/pcie-iproc.c index cc5b7823edeb..8ef2d1fe392c 100644 --- a/drivers/pci/controller/pcie-iproc.c +++ b/drivers/pci/controller/pcie-iproc.c @@ -1479,6 +1479,7 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res) { struct device *dev; int ret; + struct pci_dev *pdev; struct pci_host_bridge *host = pci_host_bridge_from_priv(pcie); dev = pcie->dev; @@ -1542,6 +1543,11 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res) goto err_power_off_phy; } + for_each_pci_bridge(pdev, host->bus) { + if (pci_pcie_type(pdev) == PCI_EXP_TYPE_ROOT_PORT) + pcie_print_link_status(pdev); + } + return 0; err_power_off_phy: