[PATCH part3 v12 09/10] PCI: Remove pci_bus_assign_domain_nr()

Yijing Wang
2015-07-20T12:01:17Z

Now we save the domain number in pci_host_bridge,
we could remove pci_bus_assign_domain_nr() and
clean the domain member in pci_bus.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
---
drivers/pci/pci.c | 5 -----
drivers/pci/pci.h | 9 ---------
drivers/pci/probe.c | 11 +++--------
include/linux/pci.h | 3 ---
4 files changed, 3 insertions(+), 25 deletions(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 0074420..cac136a 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -4536,11 +4536,6 @@ static int pci_assign_domain_nr(struct device *dev)

return domain;
}
-
-void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent)
-{
- bus->domain_nr = pci_assign_domain_nr(parent);
-}
#endif
#endif

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 4a815c9..5c4b0dd 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -335,14 +335,5 @@ static inline int pci_dev_specific_reset(struct pci_dev *dev, int probe)

struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus);

-#ifdef CONFIG_PCI_DOMAINS_GENERIC
-void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent);
-#else
-static inline void pci_bus_assign_domain_nr(struct pci_bus *bus,
- struct device *parent)
-{
-}
-#endif
-
void pci_host_assign_domain_nr(struct pci_host_bridge *host, int domain);
#endif /* DRIVERS_PCI_H */
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index cb525aa..5f2388b 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -481,7 +481,7 @@ void pci_read_bridge_bases(struct pci_bus *child)
}
}

-static struct pci_bus *pci_alloc_bus(struct pci_bus *parent)
+static struct pci_bus *pci_alloc_bus(void)
{
struct pci_bus *b;

@@ -496,10 +496,6 @@ static struct pci_bus *pci_alloc_bus(struct pci_bus *parent)
INIT_LIST_HEAD(&b->resources);
b->max_bus_speed = PCI_SPEED_UNKNOWN;
b->cur_bus_speed = PCI_SPEED_UNKNOWN;
-#ifdef CONFIG_PCI_DOMAINS_GENERIC
- if (parent)
- b->domain_nr = parent->domain_nr;
-#endif
return b;
}

@@ -670,7 +666,7 @@ static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent,
/*
* Allocate a new bus, and inherit stuff from the parent..
*/
- child = pci_alloc_bus(parent);
+ child = pci_alloc_bus();
if (!child)
return NULL;

@@ -1974,7 +1970,7 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int domain,
return NULL;
}

- b = pci_alloc_bus(NULL);
+ b = pci_alloc_bus();
if (!b)
goto unregister_host;

@@ -1982,7 +1978,6 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int domain,
b->sysdata = sysdata;
b->ops = ops;
b->number = b->busn_res.start = bus;
- pci_bus_assign_domain_nr(b, parent);

b->bridge = get_device(&bridge->dev);
device_enable_async_suspend(b->bridge);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 6b4789c..8293f61 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -461,9 +461,6 @@ struct pci_bus {
unsigned char primary; /* number of primary bridge */
unsigned char max_bus_speed; /* enum pci_bus_speed */
unsigned char cur_bus_speed; /* enum pci_bus_speed */
-#ifdef CONFIG_PCI_DOMAINS_GENERIC
- int domain_nr;
-#endif

char name[48];

--
1.7.1