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Subject[PATCH v10 11/29] PCI: Save sysdata in pci_host_bridge drvdata
Date
Save platform specific sysdata in pci_host_bridge
drvdata, host bridge specific operation need to
access it before the pci bus creation.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
---
drivers/pci/host-bridge.c | 3 ++-
drivers/pci/pci.h | 2 +-
drivers/pci/probe.c | 13 ++++++-------
3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c
index e05d8fc..b1cc6ef 100644
--- a/drivers/pci/host-bridge.c
+++ b/drivers/pci/host-bridge.c
@@ -81,7 +81,7 @@ static int pci_host_busn_res_check(
}

struct pci_host_bridge *pci_create_host_bridge(
- struct device *parent, int domain,
+ struct device *parent, int domain, void *sysdata,
struct list_head *resources)
{
int error, bus;
@@ -118,6 +118,7 @@ struct pci_host_bridge *pci_create_host_bridge(
mutex_unlock(&pci_host_mutex);

host->dev.release = pci_release_host_bridge_dev;
+ dev_set_drvdata(&host->dev, sysdata);
dev_set_name(&host->dev, "pci%04x:%02x",
host->domain, bus);

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 947c05a..3d6f455 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -334,6 +334,6 @@ static inline void pci_bus_assign_domain_nr(struct pci_bus *bus,
struct resource_entry *pci_busn_resource(struct list_head *resources);
void pci_host_assign_domain_nr(struct pci_host_bridge *host, int domain);
struct pci_host_bridge *pci_create_host_bridge(struct device *parent,
- int domain, struct list_head *resources);
+ int domain, void *sysdata, struct list_head *resources);
void pci_free_host_bridge(struct pci_host_bridge *host);
#endif /* DRIVERS_PCI_H */
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index d8c4da8..cba3474 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1871,8 +1871,7 @@ void __weak pcibios_remove_bus(struct pci_bus *bus)
}

static struct pci_bus *__pci_create_root_bus(
- struct pci_host_bridge *bridge, struct pci_ops *ops,
- void *sysdata)
+ struct pci_host_bridge *bridge, struct pci_ops *ops)
{
int error, bus;
struct pci_bus *b;
@@ -1892,7 +1891,7 @@ static struct pci_bus *__pci_create_root_bus(
if (!b)
return NULL;

- b->sysdata = sysdata;
+ b->sysdata = dev_get_drvdata(&bridge->dev);
b->ops = ops;
b->number = b->busn_res.start = bus;
pci_bus_assign_domain_nr(b, parent);
@@ -1973,11 +1972,11 @@ struct pci_bus *pci_create_root_bus(struct device *parent,
return NULL;
}

- host = pci_create_host_bridge(parent, domain, resources);
+ host = pci_create_host_bridge(parent, domain, sysdata, resources);
if (!host)
return NULL;

- host->bus = __pci_create_root_bus(host, ops, sysdata);
+ host->bus = __pci_create_root_bus(host, ops);
if (!host->bus) {
pci_free_host_bridge(host);
return NULL;
@@ -2083,7 +2082,7 @@ struct pci_bus *pci_scan_root_bus(struct device *parent, int domain,
bus);
}

- host = pci_create_host_bridge(parent, domain, resources);
+ host = pci_create_host_bridge(parent, domain, sysdata, resources);
if (!host) {
kfree(busn_resource);
return NULL;
@@ -2092,7 +2091,7 @@ struct pci_bus *pci_scan_root_bus(struct device *parent, int domain,
if (busn_resource)
host->dynamic_busn = true;

- host->bus = __pci_create_root_bus(host, ops, sysdata);
+ host->bus = __pci_create_root_bus(host, ops);
if (!host->bus) {
pci_free_host_bridge(host);
return NULL;
--
1.7.1


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