diff options
Diffstat (limited to 'drivers/pci/controller/pcie-iproc-platform.c')
| -rw-r--r-- | drivers/pci/controller/pcie-iproc-platform.c | 47 |
1 files changed, 17 insertions, 30 deletions
diff --git a/drivers/pci/controller/pcie-iproc-platform.c b/drivers/pci/controller/pcie-iproc-platform.c index f30f5f3fb5c1..0cb78c583c7e 100644 --- a/drivers/pci/controller/pcie-iproc-platform.c +++ b/drivers/pci/controller/pcie-iproc-platform.c @@ -12,7 +12,6 @@ #include <linux/platform_device.h> #include <linux/of_address.h> #include <linux/of_pci.h> -#include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/phy/phy.h> @@ -37,14 +36,12 @@ static const struct of_device_id iproc_pcie_of_match_table[] = { }; MODULE_DEVICE_TABLE(of, iproc_pcie_of_match_table); -static int iproc_pcie_pltfm_probe(struct platform_device *pdev) +static int iproc_pltfm_pcie_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct iproc_pcie *pcie; struct device_node *np = dev->of_node; struct resource reg; - resource_size_t iobase = 0; - LIST_HEAD(resources); struct pci_host_bridge *bridge; int ret; @@ -55,7 +52,7 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev) pcie = pci_host_bridge_priv(bridge); pcie->dev = dev; - pcie->type = (enum iproc_pcie_type) of_device_get_match_data(dev); + pcie->type = (uintptr_t)of_device_get_match_data(dev); ret = of_address_to_resource(np, 0, ®); if (ret < 0) { @@ -87,39 +84,29 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev) /* * DT nodes are not used by all platforms that use the iProc PCIe - * core driver. For platforms that require explict inbound mapping + * core driver. For platforms that require explicit inbound mapping * configuration, "dma-ranges" would have been present in DT */ pcie->need_ib_cfg = of_property_read_bool(np, "dma-ranges"); /* PHY use is optional */ - pcie->phy = devm_phy_get(dev, "pcie-phy"); - if (IS_ERR(pcie->phy)) { - if (PTR_ERR(pcie->phy) == -EPROBE_DEFER) - return -EPROBE_DEFER; - pcie->phy = NULL; - } - - ret = devm_of_pci_get_host_bridge_resources(dev, 0, 0xff, &resources, - &iobase); - if (ret) { - dev_err(dev, "unable to get PCI host bridge resources\n"); - return ret; - } + pcie->phy = devm_phy_optional_get(dev, "pcie-phy"); + if (IS_ERR(pcie->phy)) + return PTR_ERR(pcie->phy); /* PAXC doesn't support legacy IRQs, skip mapping */ switch (pcie->type) { case IPROC_PCIE_PAXC: case IPROC_PCIE_PAXC_V2: + pcie->map_irq = NULL; break; default: - pcie->map_irq = of_irq_parse_and_map_pci; + break; } - ret = iproc_pcie_setup(pcie, &resources); + ret = iproc_pcie_setup(pcie, &bridge->windows); if (ret) { dev_err(dev, "PCIe controller setup failed\n"); - pci_free_resource_list(&resources); return ret; } @@ -127,30 +114,30 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev) return 0; } -static int iproc_pcie_pltfm_remove(struct platform_device *pdev) +static void iproc_pltfm_pcie_remove(struct platform_device *pdev) { struct iproc_pcie *pcie = platform_get_drvdata(pdev); - return iproc_pcie_remove(pcie); + iproc_pcie_remove(pcie); } -static void iproc_pcie_pltfm_shutdown(struct platform_device *pdev) +static void iproc_pltfm_pcie_shutdown(struct platform_device *pdev) { struct iproc_pcie *pcie = platform_get_drvdata(pdev); iproc_pcie_shutdown(pcie); } -static struct platform_driver iproc_pcie_pltfm_driver = { +static struct platform_driver iproc_pltfm_pcie_driver = { .driver = { .name = "iproc-pcie", .of_match_table = of_match_ptr(iproc_pcie_of_match_table), }, - .probe = iproc_pcie_pltfm_probe, - .remove = iproc_pcie_pltfm_remove, - .shutdown = iproc_pcie_pltfm_shutdown, + .probe = iproc_pltfm_pcie_probe, + .remove = iproc_pltfm_pcie_remove, + .shutdown = iproc_pltfm_pcie_shutdown, }; -module_platform_driver(iproc_pcie_pltfm_driver); +module_platform_driver(iproc_pltfm_pcie_driver); MODULE_AUTHOR("Ray Jui <rjui@broadcom.com>"); MODULE_DESCRIPTION("Broadcom iPROC PCIe platform driver"); |
