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PCI: Export host bridge registration interface 

Allow PCI host bridge drivers to use the new host bridge interfaces to
register their host bridge.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>
hifive-unleashed-5.1
Thierry Reding 2016-11-25 11:57:11 +01:00 committed by Bjorn Helgaas
parent 5909406598
commit a52d1443bb
2 changed files with 6 additions and 2 deletions
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6
drivers/pci/probe.c
View File

@ -521,7 +521,7 @@ static void pci_release_host_bridge_dev(struct device *dev)
kfree(bridge); kfree(bridge);
} }
static struct pci_host_bridge *pci_alloc_host_bridge(size_t priv) struct pci_host_bridge *pci_alloc_host_bridge(size_t priv)
{ {
struct pci_host_bridge *bridge; struct pci_host_bridge *bridge;
@ -533,6 +533,7 @@ static struct pci_host_bridge *pci_alloc_host_bridge(size_t priv)
return bridge; return bridge;
} }
EXPORT_SYMBOL(pci_alloc_host_bridge);
static const unsigned char pcix_bus_speed[] = { static const unsigned char pcix_bus_speed[] = {
PCI_SPEED_UNKNOWN, /* 0 */ PCI_SPEED_UNKNOWN, /* 0 */
@ -717,7 +718,7 @@ static void pci_set_bus_msi_domain(struct pci_bus *bus)
dev_set_msi_domain(&bus->dev, d); dev_set_msi_domain(&bus->dev, d);
} }
static int pci_register_host_bridge(struct pci_host_bridge *bridge) int pci_register_host_bridge(struct pci_host_bridge *bridge)
{ {
struct device *parent = bridge->dev.parent; struct device *parent = bridge->dev.parent;
struct resource_entry *window, *n; struct resource_entry *window, *n;
@ -832,6 +833,7 @@ free:
kfree(bus); kfree(bus);
return err; return err;
} }
EXPORT_SYMBOL(pci_register_host_bridge);
static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent, static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent,
struct pci_dev *bridge, int busnr) struct pci_dev *bridge, int busnr)

2
include/linux/pci.h
View File

@ -449,6 +449,8 @@ static inline struct pci_host_bridge *pci_host_bridge_from_priv(void *priv)
return container_of(priv, struct pci_host_bridge, private); return container_of(priv, struct pci_host_bridge, private);
} }
struct pci_host_bridge *pci_alloc_host_bridge(size_t priv);
int pci_register_host_bridge(struct pci_host_bridge *bridge);
struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus); struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus);
void pci_set_host_bridge_release(struct pci_host_bridge *bridge, void pci_set_host_bridge_release(struct pci_host_bridge *bridge,