diff options
Diffstat (limited to 'drivers/pci/controller/pci-host-common.c')
| -rw-r--r-- | drivers/pci/controller/pci-host-common.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/pci/controller/pci-host-common.c b/drivers/pci/controller/pci-host-common.c index f441bfd6f96a..b0992325dd65 100644 --- a/drivers/pci/controller/pci-host-common.c +++ b/drivers/pci/controller/pci-host-common.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Generic PCI host driver common code + * Common library for PCI host controller drivers * * Copyright (C) 2014 ARM Limited * @@ -15,6 +15,8 @@ #include <linux/pci-ecam.h> #include <linux/platform_device.h> +#include "pci-host-common.h" + static void gen_pci_unmap_cfg(void *ptr) { pci_ecam_free((struct pci_config_window *)ptr); @@ -49,23 +51,17 @@ static struct pci_config_window *gen_pci_init(struct device *dev, return cfg; } -int pci_host_common_probe(struct platform_device *pdev) +int pci_host_common_init(struct platform_device *pdev, + const struct pci_ecam_ops *ops) { struct device *dev = &pdev->dev; struct pci_host_bridge *bridge; struct pci_config_window *cfg; - const struct pci_ecam_ops *ops; - - ops = of_device_get_match_data(&pdev->dev); - if (!ops) - return -ENODEV; bridge = devm_pci_alloc_host_bridge(dev, 0); if (!bridge) return -ENOMEM; - platform_set_drvdata(pdev, bridge); - of_pci_check_probe_only(); /* Parse and map our Configuration Space windows */ @@ -73,6 +69,8 @@ int pci_host_common_probe(struct platform_device *pdev) if (IS_ERR(cfg)) return PTR_ERR(cfg); + platform_set_drvdata(pdev, bridge); + bridge->sysdata = cfg; bridge->ops = (struct pci_ops *)&ops->pci_ops; bridge->enable_device = ops->enable_device; @@ -81,6 +79,18 @@ int pci_host_common_probe(struct platform_device *pdev) return pci_host_probe(bridge); } +EXPORT_SYMBOL_GPL(pci_host_common_init); + +int pci_host_common_probe(struct platform_device *pdev) +{ + const struct pci_ecam_ops *ops; + + ops = of_device_get_match_data(&pdev->dev); + if (!ops) + return -ENODEV; + + return pci_host_common_init(pdev, ops); +} EXPORT_SYMBOL_GPL(pci_host_common_probe); void pci_host_common_remove(struct platform_device *pdev) @@ -94,5 +104,5 @@ void pci_host_common_remove(struct platform_device *pdev) } EXPORT_SYMBOL_GPL(pci_host_common_remove); -MODULE_DESCRIPTION("Generic PCI host common driver"); +MODULE_DESCRIPTION("Common library for PCI host controller drivers"); MODULE_LICENSE("GPL v2"); |