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PCI: host-generic: Support building as modules

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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 <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Andrew Murray <amurray@thegoodpenguin.co.uk>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-pci@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
This commit is contained in:
Rob Herring
2020-04-09 17:49:22 -06:00
committed by Lorenzo Pieralisi
parent 0b104773b4
commit 0c59c06a7c
6 changed files with 18 additions and 5 deletions
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4
drivers/pci/ecam.c
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@@ -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) */