From patchwork Wed Oct 16 20:06:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Herring X-Patchwork-Id: 11194395 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 6A50D1390 for ; Wed, 16 Oct 2019 20:19:56 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 48273207FF for ; Wed, 16 Oct 2019 20:19:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="UhRtbNM1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 48273207FF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Kr+qnl+f+Ccxx9lo4p6iIyuxUq0SlRLl2lvx5FCEu0Q=; b=UhRtbNM1mxQ0nW WzxNN2FQ6zmtNdPsM3OBwA2uhPP5jIZKAcpQU9x0mwW3oi5RDVzu2HJzRbFbftVLti7vTwTsfryKJ n+by9rA4lpi7xRiKhjKC0hhHc7GhtpUMEg+AbT6e7K48oM8b9iWWY5cigIUx6CBkTuuWjxaIEKAHt QKsY2+1KfC8eYD2+qf3myYLJYOG8fclZJ6in5hdtTjzECtA8ep9Cpshi4b2UrwtdVJafJp1cE0rE7 IGM076c4ZJhluZEjTnv4Bpnfxf/kJnUq0GaYlRQFak5P8uLboB5WF5thQ3oJClTYyofv5TRQJFunw EAuvdLiZwWbwFzCh6ang==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iKplx-0006cu-4i; Wed, 16 Oct 2019 20:19:53 +0000 Received: from mail-oi1-f196.google.com ([209.85.167.196]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iKpZp-0002HN-J4; Wed, 16 Oct 2019 20:07:23 +0000 Received: by mail-oi1-f196.google.com with SMTP id 83so147848oii.1; Wed, 16 Oct 2019 13:07:21 -0700 (PDT) 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:mime-version:content-transfer-encoding; bh=EUvNXVMR7ueFc2YPhgs8zP4YzcDIk6QWtKI1XB6VZ+Y=; b=Cup8ELW1YWLayVTNpYaW57TGUF1+eG2AclGW6naz/92/fmqBUh3Sc+bfVHsnJzu/SI j2kFRGYnXYZ+10AqHhHDNN9CdJObD8lf0mmtGOG3HmPE+scXvxLHTHFSNlvkK8Oeyg67 u6SM53iOymvFbvcKVi9nEhQ0J9kaDQAes2n9IGDVkvouF8FhGivgQChMlABLSB8Lpu7y +/Y08TRL/54IgWpiqNfz9/l+KVH2YlRqsLYZXzl4VR3fxv2S3UnlbMpqa8nQY/H5FHmV /mFYQVpg/+9qV7iVH8IhFGZZU9CO4/I9+0kjfaxHCNfrJt/WWUOL1mpbKdI3EvBH/gZZ 88KQ== X-Gm-Message-State: APjAAAXHY7+fvcj1/Ben4qqYuWXvHMLqNO69LqBQwL/jAQ+Kwp28tj9J ZsL8hen2vo/vu2iCpOiLVg== X-Google-Smtp-Source: APXvYqy/2Fy9rR5BzYiQ6RiCmXGzv9E3TVFk2RmyQBRWYVoIxeJcIYcMHXgrMkV0fEcNz2sBt7+DZg== X-Received: by 2002:aca:b9d7:: with SMTP id j206mr112019oif.112.1571256440272; Wed, 16 Oct 2019 13:07:20 -0700 (PDT) Received: from xps15.herring.priv (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.googlemail.com with ESMTPSA id a9sm7412463oie.7.2019.10.16.13.07.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Oct 2019 13:07:19 -0700 (PDT) From: Rob Herring To: Andrew Murray , Bjorn Helgaas , Lorenzo Pieralisi Subject: [PATCH v2 16/25] PCI: versatile: Use pci_parse_request_of_pci_ranges() Date: Wed, 16 Oct 2019 15:06:38 -0500 Message-Id: <20191016200647.32050-17-robh@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191016200647.32050-1-robh@kernel.org> References: <20191016200647.32050-1-robh@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191016_130721_649890_772F1874 X-CRM114-Status: GOOD ( 16.09 ) X-Spam-Score: 0.6 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [209.85.167.196 listed in wl.mailspike.net] -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [209.85.167.196 listed in list.dnswl.org] 0.2 FREEMAIL_ENVFROM_END_DIGIT Envelope-from freemail username ends in digit (robherring2[at]gmail.com) 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (robherring2[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.2 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.1 FREEMAIL_FORGED_FROMDOMAIN 2nd level domains in From and EnvelopeFrom freemail headers are different X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Heiko Stuebner , Karthikeyan Mitran , linux-pci@vger.kernel.org, Shawn Lin , Thomas Petazzoni , Toan Le , Will Deacon , Ryder Lee , Michal Simek , linux-rockchip@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, Linus Walleij , Ray Jui , Hou Zhiqiang , Simon Horman , linux-mediatek@lists.infradead.org, Matthias Brugger , linux-arm-kernel@lists.infradead.org, Scott Branden , Jingoo Han , rfi@lists.rocketboards.org, linux-renesas-soc@vger.kernel.org, Tom Joseph , Srinath Mannam , Gustavo Pimentel , Ley Foon Tan Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org Convert ARM Versatile host bridge to use the common pci_parse_request_of_pci_ranges(). There's no need to assign the resources to a temporary list first. Just use bridge->windows directly and remove all the temporary list handling. Cc: Lorenzo Pieralisi Cc: Bjorn Helgaas Signed-off-by: Rob Herring Acked-by: Linus Walleij --- v2: - Fix 'mem' initial value to 1 - Remove temporary resource list --- drivers/pci/controller/pci-versatile.c | 64 +++++--------------------- 1 file changed, 11 insertions(+), 53 deletions(-) diff --git a/drivers/pci/controller/pci-versatile.c b/drivers/pci/controller/pci-versatile.c index f59ad2728c0b..18697f2ea345 100644 --- a/drivers/pci/controller/pci-versatile.c +++ b/drivers/pci/controller/pci-versatile.c @@ -62,65 +62,16 @@ static struct pci_ops pci_versatile_ops = { .write = pci_generic_config_write, }; -static int versatile_pci_parse_request_of_pci_ranges(struct device *dev, - struct list_head *res) -{ - int err, mem = 1, res_valid = 0; - resource_size_t iobase; - struct resource_entry *win, *tmp; - - err = devm_of_pci_get_host_bridge_resources(dev, 0, 0xff, res, &iobase); - if (err) - return err; - - err = devm_request_pci_bus_resources(dev, res); - if (err) - goto out_release_res; - - resource_list_for_each_entry_safe(win, tmp, res) { - struct resource *res = win->res; - - switch (resource_type(res)) { - case IORESOURCE_IO: - err = devm_pci_remap_iospace(dev, res, iobase); - if (err) { - dev_warn(dev, "error %d: failed to map resource %pR\n", - err, res); - resource_list_destroy_entry(win); - } - break; - case IORESOURCE_MEM: - res_valid |= !(res->flags & IORESOURCE_PREFETCH); - - writel(res->start >> 28, PCI_IMAP(mem)); - writel(PHYS_OFFSET >> 28, PCI_SMAP(mem)); - mem++; - - break; - } - } - - if (res_valid) - return 0; - - dev_err(dev, "non-prefetchable memory resource required\n"); - err = -EINVAL; - -out_release_res: - pci_free_resource_list(res); - return err; -} - static int versatile_pci_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct resource *res; - int ret, i, myslot = -1; + struct resource_entry *entry; + int ret, i, myslot = -1, mem = 1; u32 val; void __iomem *local_pci_cfg_base; struct pci_bus *bus, *child; struct pci_host_bridge *bridge; - LIST_HEAD(pci_res); bridge = devm_pci_alloc_host_bridge(dev, 0); if (!bridge) @@ -141,10 +92,18 @@ static int versatile_pci_probe(struct platform_device *pdev) if (IS_ERR(versatile_cfg_base[1])) return PTR_ERR(versatile_cfg_base[1]); - ret = versatile_pci_parse_request_of_pci_ranges(dev, &pci_res); + ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows, NULL); if (ret) return ret; + resource_list_for_each_entry(entry, &bridge->windows) { + if (resource_type(entry->res) == IORESOURCE_MEM) { + writel(entry->res->start >> 28, PCI_IMAP(mem)); + writel(PHYS_OFFSET >> 28, PCI_SMAP(mem)); + mem++; + } + } + /* * We need to discover the PCI core first to configure itself * before the main PCI probing is performed @@ -197,7 +156,6 @@ static int versatile_pci_probe(struct platform_device *pdev) pci_add_flags(PCI_ENABLE_PROC_DOMAINS); pci_add_flags(PCI_REASSIGN_ALL_BUS); - list_splice_init(&pci_res, &bridge->windows); bridge->dev.parent = dev; bridge->sysdata = NULL; bridge->busnr = 0;