From patchwork Wed Oct 16 20:06:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rob Herring (Arm)" X-Patchwork-Id: 11194209 X-Patchwork-Delegate: geert@linux-m68k.org 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 C4D1314DB for ; Wed, 16 Oct 2019 20:07:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A59BC21925 for ; Wed, 16 Oct 2019 20:07:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571256432; bh=is9QVROXenfX0ntsy7W0UYKqb6miTo1XS7+7LgUFl6E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=MxFBXQoZsh6qu/GDUVG/h1vzB17ftJ/E8+SDIe4DpUnIIlSz3f/Stb3hcoCxMkyAc Hh8f07Jpii2YXVlg80Pb/Uw/p8/tTQIQqShlxO1xxGz/ImDY/pao+e/qCIRVQ+M5AQ HjVsfPcqIqZrCEoETSJHHZwIbJcizH1whjxNCGLg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727628AbfJPUHM (ORCPT ); Wed, 16 Oct 2019 16:07:12 -0400 Received: from mail-oi1-f193.google.com ([209.85.167.193]:34036 "EHLO mail-oi1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732214AbfJPUHM (ORCPT ); Wed, 16 Oct 2019 16:07:12 -0400 Received: by mail-oi1-f193.google.com with SMTP id 83so147408oii.1; Wed, 16 Oct 2019 13:07:11 -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=+ndH97i4QB26bJd8O3NX+DEMC7cX9sGSdjN3vLEaTx4=; b=n1oM61NXRw3v0uBYVhB3rc9TdJtqh/K8Y9D7Zn6kfTy+rpVgQZU1+py9xHBx32L1NM epjlh3//qpVaEiY/f7nVzMEaoIT2rHiQ1jVsQXwKJPcFs3P7eT0BEG+99HM7lbK2OezD ODeKjjC7iAfe30odKcZbpFuj8jGvo8rms7frtFdE8bM9Dne2I2Jt5IP0TxSZVX8d5Q7o zK+zou2uO7wq6FZqCm945JbN6XDgM0hYPlrCqWIdiWwOGKQb2uzXz8OvDp8o1DAd7YzG nBSSbyQaGnsBN+Oc+cxRKTKeI43jnws/T0i+6GXrRYZdl95BmdBQBHQRY69Rep+NvsP0 QtVw== X-Gm-Message-State: APjAAAUXFqarFeAh0RU3uuuJ+M/m2vbBuf31hrMyDOZ7vys3szS1HI37 g/3l/GJpb4LrQyMZsjC/vg== X-Google-Smtp-Source: APXvYqzI74fewWK3CPeWEpiaODJ/cxLz3tHo/pwM12Rt8UF81clwBc9XxGHthO04xQTGEqcj0xf7iA== X-Received: by 2002:a54:4e89:: with SMTP id c9mr107513oiy.148.1571256430843; Wed, 16 Oct 2019 13:07:10 -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.7.2019.10.16.13.07.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Oct 2019 13:07:10 -0700 (PDT) From: Rob Herring To: Andrew Murray , Bjorn Helgaas , Lorenzo Pieralisi Cc: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, Gustavo Pimentel , Heiko Stuebner , Hou Zhiqiang , Jingoo Han , Karthikeyan Mitran , Ley Foon Tan , Linus Walleij , linux-mediatek@lists.infradead.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, Matthias Brugger , Michal Simek , Ray Jui , rfi@lists.rocketboards.org, Ryder Lee , Scott Branden , Shawn Lin , Simon Horman , Srinath Mannam , Thomas Petazzoni , Toan Le , Tom Joseph , Will Deacon Subject: [PATCH v2 11/25] PCI: rockchip: Drop storing driver private outbound resource data Date: Wed, 16 Oct 2019 15:06:33 -0500 Message-Id: <20191016200647.32050-12-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 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org The Rockchip host bridge driver doesn't need to store outboard resources in its private struct as they are already stored in struct pci_host_bridge. Cc: Shawn Lin Cc: Lorenzo Pieralisi Cc: Andrew Murray Cc: Bjorn Helgaas Cc: Heiko Stuebner Cc: linux-rockchip@lists.infradead.org Signed-off-by: Rob Herring --- v2: - New patch drivers/pci/controller/pcie-rockchip-host.c | 54 +++++++++------------ drivers/pci/controller/pcie-rockchip.h | 5 -- 2 files changed, 23 insertions(+), 36 deletions(-) -- 2.20.1 diff --git a/drivers/pci/controller/pcie-rockchip-host.c b/drivers/pci/controller/pcie-rockchip-host.c index 8d2e6f2e141e..2255ff53e2fb 100644 --- a/drivers/pci/controller/pcie-rockchip-host.c +++ b/drivers/pci/controller/pcie-rockchip-host.c @@ -806,19 +806,28 @@ static int rockchip_pcie_prog_ib_atu(struct rockchip_pcie *rockchip, static int rockchip_pcie_cfg_atu(struct rockchip_pcie *rockchip) { struct device *dev = rockchip->dev; + struct pci_host_bridge *bridge = pci_host_bridge_from_priv(rockchip); + struct resource_entry *entry; + u64 pci_addr, size; int offset; int err; int reg_no; rockchip_pcie_cfg_configuration_accesses(rockchip, AXI_WRAPPER_TYPE0_CFG); + entry = resource_list_get_entry_of_type(&bridge->windows, IORESOURCE_MEM); + if (!entry) + return -ENODEV; + + size = resource_size(entry->res); + pci_addr = entry->res->start - entry->offset; + rockchip->msg_bus_addr = pci_addr; - for (reg_no = 0; reg_no < (rockchip->mem_size >> 20); reg_no++) { + for (reg_no = 0; reg_no < (size >> 20); reg_no++) { err = rockchip_pcie_prog_ob_atu(rockchip, reg_no + 1, AXI_WRAPPER_MEM_WRITE, 20 - 1, - rockchip->mem_bus_addr + - (reg_no << 20), + pci_addr + (reg_no << 20), 0); if (err) { dev_err(dev, "program RC mem outbound ATU failed\n"); @@ -832,14 +841,20 @@ static int rockchip_pcie_cfg_atu(struct rockchip_pcie *rockchip) return err; } - offset = rockchip->mem_size >> 20; - for (reg_no = 0; reg_no < (rockchip->io_size >> 20); reg_no++) { + entry = resource_list_get_entry_of_type(&bridge->windows, IORESOURCE_IO); + if (!entry) + return -ENODEV; + + size = resource_size(entry->res); + pci_addr = entry->res->start - entry->offset; + + offset = size >> 20; + for (reg_no = 0; reg_no < (size >> 20); reg_no++) { err = rockchip_pcie_prog_ob_atu(rockchip, reg_no + 1 + offset, AXI_WRAPPER_IO_WRITE, 20 - 1, - rockchip->io_bus_addr + - (reg_no << 20), + pci_addr + (reg_no << 20), 0); if (err) { dev_err(dev, "program RC io outbound ATU failed\n"); @@ -852,8 +867,7 @@ static int rockchip_pcie_cfg_atu(struct rockchip_pcie *rockchip) AXI_WRAPPER_NOR_MSG, 20 - 1, 0, 0); - rockchip->msg_bus_addr = rockchip->mem_bus_addr + - ((reg_no + offset) << 20); + rockchip->msg_bus_addr += ((reg_no + offset) << 20); return err; } @@ -951,7 +965,6 @@ static int rockchip_pcie_probe(struct platform_device *pdev) struct pci_bus *bus, *child; struct pci_host_bridge *bridge; struct resource *bus_res; - struct resource_entry *win; int err; if (!dev->of_node) @@ -997,27 +1010,6 @@ static int rockchip_pcie_probe(struct platform_device *pdev) rockchip->root_bus_nr = bus_res->start; - /* Get the I/O and memory ranges from DT */ - resource_list_for_each_entry(win, &bridge->windows) { - switch (resource_type(win->res)) { - case IORESOURCE_IO: - io = win->res; - io->name = "I/O"; - rockchip->io_size = resource_size(io); - rockchip->io_bus_addr = io->start - win->offset; - rockchip->io = io; - break; - case IORESOURCE_MEM: - mem = win->res; - mem->name = "MEM"; - rockchip->mem_size = resource_size(mem); - rockchip->mem_bus_addr = mem->start - win->offset; - break; - default: - continue; - } - } - err = rockchip_pcie_cfg_atu(rockchip); if (err) goto err_remove_irq_domain; diff --git a/drivers/pci/controller/pcie-rockchip.h b/drivers/pci/controller/pcie-rockchip.h index 8e87a059ce73..bef42a803b56 100644 --- a/drivers/pci/controller/pcie-rockchip.h +++ b/drivers/pci/controller/pcie-rockchip.h @@ -304,13 +304,8 @@ struct rockchip_pcie { struct irq_domain *irq_domain; int offset; struct pci_bus *root_bus; - struct resource *io; - phys_addr_t io_bus_addr; - u32 io_size; void __iomem *msg_region; - u32 mem_size; phys_addr_t msg_bus_addr; - phys_addr_t mem_bus_addr; bool is_rc; struct resource *mem_res; };