From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: [PATCH v2 20/25] PCI: ftpci100: Use inbound resources for setup Date: Wed, 16 Oct 2019 15:06:42 -0500 Message-ID: <20191016200647.32050-21-robh@kernel.org> References: <20191016200647.32050-1-robh@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20191016200647.32050-1-robh@kernel.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Andrew Murray , Bjorn Helgaas , Lorenzo Pieralisi 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 List-Id: linux-rockchip.vger.kernel.org Now that the helpers provide the inbound resources in the host bridge 'dma_ranges' resource list, convert Faraday ftpci100 host bridge to use the resource list to setup the inbound addresses. Cc: Lorenzo Pieralisi Cc: Bjorn Helgaas Reviewed-by: Andrew Murray Signed-off-by: Rob Herring --- drivers/pci/controller/pci-ftpci100.c | 26 +++++++++----------------- 1 file changed, 9 insertions(+), 17 deletions(-) diff --git a/drivers/pci/controller/pci-ftpci100.c b/drivers/pci/controller/pci-ftpci100.c index 5824913e311b..e6b498de35e1 100644 --- a/drivers/pci/controller/pci-ftpci100.c +++ b/drivers/pci/controller/pci-ftpci100.c @@ -375,12 +375,11 @@ static int faraday_pci_setup_cascaded_irq(struct faraday_pci *p) return 0; } -static int faraday_pci_parse_map_dma_ranges(struct faraday_pci *p, - struct device_node *np) +static int faraday_pci_parse_map_dma_ranges(struct faraday_pci *p) { - struct of_pci_range range; - struct of_pci_range_parser parser; struct device *dev = p->dev; + struct pci_host_bridge *bridge = pci_host_bridge_from_priv(p); + struct resource_entry *entry; u32 confreg[3] = { FARADAY_PCI_MEM1_BASE_SIZE, FARADAY_PCI_MEM2_BASE_SIZE, @@ -389,19 +388,12 @@ static int faraday_pci_parse_map_dma_ranges(struct faraday_pci *p, int i = 0; u32 val; - if (of_pci_dma_range_parser_init(&parser, np)) { - dev_err(dev, "missing dma-ranges property\n"); - return -EINVAL; - } - - /* - * Get the dma-ranges from the device tree - */ - for_each_of_pci_range(&parser, &range) { - u64 end = range.pci_addr + range.size - 1; + resource_list_for_each_entry(entry, &bridge->dma_ranges) { + u64 pci_addr = entry->res->start - entry->offset; + u64 end = entry->res->end - entry->offset; int ret; - ret = faraday_res_to_memcfg(range.pci_addr, range.size, &val); + ret = faraday_res_to_memcfg(pci_addr, resource_size(entry->res), &val); if (ret) { dev_err(dev, "DMA range %d: illegal MEM resource size\n", i); @@ -409,7 +401,7 @@ static int faraday_pci_parse_map_dma_ranges(struct faraday_pci *p, } dev_info(dev, "DMA MEM%d BASE: 0x%016llx -> 0x%016llx config %08x\n", - i + 1, range.pci_addr, end, val); + i + 1, pci_addr, end, val); if (i <= 2) { faraday_raw_pci_write_config(p, 0, 0, confreg[i], 4, val); @@ -539,7 +531,7 @@ static int faraday_pci_probe(struct platform_device *pdev) cur_bus_speed = PCI_SPEED_66MHz; } - ret = faraday_pci_parse_map_dma_ranges(p, dev->of_node); + ret = faraday_pci_parse_map_dma_ranges(p); if (ret) return ret; -- 2.20.1