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[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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191016_130712_790270_4B832DA7 X-CRM114-Status: GOOD ( 13.88 ) 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_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [209.85.167.193 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [209.85.167.193 listed in wl.mailspike.net] 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 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; };