From 0c59c06a7c90390c3985c9acd58a73320781c15e Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Thu, 9 Apr 2020 17:49:22 -0600 Subject: PCI: host-generic: Support building as modules Enable building host-generic and its host-common dependency as a module. Link: https://lore.kernel.org/r/20200409234923.21598-3-robh@kernel.org Signed-off-by: Rob Herring Signed-off-by: Lorenzo Pieralisi Acked-by: Will Deacon Acked-by: Bjorn Helgaas Cc: Lorenzo Pieralisi Cc: Andrew Murray Cc: Bjorn Helgaas Cc: Will Deacon Cc: linux-pci@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org --- drivers/pci/controller/Kconfig | 4 ++-- drivers/pci/controller/pci-host-common.c | 5 +++++ drivers/pci/controller/pci-host-generic.c | 7 +++++-- drivers/pci/ecam.c | 4 ++++ drivers/pci/setup-bus.c | 1 + include/linux/pci-ecam.h | 2 +- 6 files changed, 18 insertions(+), 5 deletions(-) diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig index 91bfdb784829..416a53414728 100644 --- a/drivers/pci/controller/Kconfig +++ b/drivers/pci/controller/Kconfig @@ -62,11 +62,11 @@ config PCIE_RCAR Say Y here if you want PCIe controller support on R-Car SoCs. config PCI_HOST_COMMON - bool + tristate select PCI_ECAM config PCI_HOST_GENERIC - bool "Generic PCI host controller" + tristate "Generic PCI host controller" depends on OF select PCI_HOST_COMMON select IRQ_DOMAIN diff --git a/drivers/pci/controller/pci-host-common.c b/drivers/pci/controller/pci-host-common.c index f6d5dc068488..6d15bc12e726 100644 --- a/drivers/pci/controller/pci-host-common.c +++ b/drivers/pci/controller/pci-host-common.c @@ -8,6 +8,7 @@ */ #include +#include #include #include #include @@ -95,6 +96,7 @@ int pci_host_common_probe(struct platform_device *pdev, platform_set_drvdata(pdev, bridge->bus); return 0; } +EXPORT_SYMBOL_GPL(pci_host_common_probe); int pci_host_common_remove(struct platform_device *pdev) { @@ -107,3 +109,6 @@ int pci_host_common_remove(struct platform_device *pdev) return 0; } +EXPORT_SYMBOL_GPL(pci_host_common_remove); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/pci/controller/pci-host-generic.c b/drivers/pci/controller/pci-host-generic.c index 7e9a7c0833b1..fd8cff61de14 100644 --- a/drivers/pci/controller/pci-host-generic.c +++ b/drivers/pci/controller/pci-host-generic.c @@ -10,6 +10,7 @@ #include #include +#include #include #include #include @@ -76,6 +77,7 @@ static const struct of_device_id gen_pci_of_match[] = { { }, }; +MODULE_DEVICE_TABLE(of, gen_pci_of_match); static int gen_pci_probe(struct platform_device *pdev) { @@ -92,9 +94,10 @@ static struct platform_driver gen_pci_driver = { .driver = { .name = "pci-host-generic", .of_match_table = gen_pci_of_match, - .suppress_bind_attrs = true, }, .probe = gen_pci_probe, .remove = pci_host_common_remove, }; -builtin_platform_driver(gen_pci_driver); +module_platform_driver(gen_pci_driver); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/pci/ecam.c b/drivers/pci/ecam.c index 1b05ff627859..8f065a42fc1a 100644 --- a/drivers/pci/ecam.c +++ b/drivers/pci/ecam.c @@ -101,6 +101,7 @@ err_exit: pci_ecam_free(cfg); return ERR_PTR(err); } +EXPORT_SYMBOL_GPL(pci_ecam_create); void pci_ecam_free(struct pci_config_window *cfg) { @@ -121,6 +122,7 @@ void pci_ecam_free(struct pci_config_window *cfg) release_resource(&cfg->res); kfree(cfg); } +EXPORT_SYMBOL_GPL(pci_ecam_free); /* * Function to implement the pci_ops ->map_bus method @@ -143,6 +145,7 @@ void __iomem *pci_ecam_map_bus(struct pci_bus *bus, unsigned int devfn, base = cfg->win + (busn << cfg->ops->bus_shift); return base + (devfn << devfn_shift) + where; } +EXPORT_SYMBOL_GPL(pci_ecam_map_bus); /* ECAM ops */ const struct pci_ecam_ops pci_generic_ecam_ops = { @@ -153,6 +156,7 @@ const struct pci_ecam_ops pci_generic_ecam_ops = { .write = pci_generic_config_write, } }; +EXPORT_SYMBOL_GPL(pci_generic_ecam_ops); #if defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS) /* ECAM ops for 32-bit access only (non-compliant) */ diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index bbcef1a053ab..5b35f7fc2ace 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -26,6 +26,7 @@ #include "pci.h" unsigned int pci_flags; +EXPORT_SYMBOL_GPL(pci_flags); struct pci_dev_resource { struct list_head list; diff --git a/include/linux/pci-ecam.h b/include/linux/pci-ecam.h index 6c21dd0901ab..fd0edb8b8a00 100644 --- a/include/linux/pci-ecam.h +++ b/include/linux/pci-ecam.h @@ -59,7 +59,7 @@ extern const struct pci_ecam_ops xgene_v2_pcie_ecam_ops; /* APM X-Gene PCIe v2.x extern const struct pci_ecam_ops al_pcie_ops; /* Amazon Annapurna Labs PCIe */ #endif -#ifdef CONFIG_PCI_HOST_COMMON +#if IS_ENABLED(CONFIG_PCI_HOST_COMMON) /* for DT-based PCI controllers that support ECAM */ int pci_host_common_probe(struct platform_device *pdev, const struct pci_ecam_ops *ops); -- cgit form>
AgeCommit message (Collapse)Author