[PATCH v3 30/30] PCI: Remove pci_bus_assign_domain_nr()

Yijing Wang
2015-02-26T01:29:47Z

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/probe.c | 12 ++++--------
include/linux/pci.h | 3 ---
3 files changed, 4 insertions(+), 16 deletions(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 51ada13..287cf43 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -4579,11 +4579,6 @@ void pci_host_assign_domain_nr(struct pci_host_bridge *host)
{
host->domain = pci_assign_domain_nr(host->dev.parent);
}
-
-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/probe.c b/drivers/pci/probe.c
index 2e5997a..e6f03cf 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -480,7 +480,7 @@ 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;

@@ -495,10 +495,7 @@ 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;
}

@@ -645,7 +642,7 @@ 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;

@@ -1865,14 +1862,13 @@ static struct pci_bus *pci_create_root_bus(
char *fmt;

parent = bridge->dev.parent;
- b = pci_alloc_bus(NULL);
+ b = pci_alloc_bus();
if (!b)
return NULL;

b->sysdata = dev_get_drvdata(&bridge->dev);
b->ops = ops;
b->number = b->busn_res.start = bridge->busnum;
- pci_bus_assign_domain_nr(b, parent);

bridge->bus = b;
b->bridge = get_device(&bridge->dev);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 68c09da..8d82340 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -470,9 +470,6 @@ 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