@@ -4506,10 +4506,10 @@ static int pci_get_new_domain_nr(void)
return atomic_inc_return(&__domain_nr);
}
-void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent)
+static int pci_assign_domain_nr(struct device *dev)
{
static int use_dt_domains = -1;
- int domain = of_get_pci_domain_nr(parent->of_node);
+ int domain = of_get_pci_domain_nr(dev->of_node);
/*
* Check DT domain and use_dt_domains values.
@@ -4543,16 +4543,30 @@ void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent)
use_dt_domains = 0;
domain = pci_get_new_domain_nr();
} else {
- dev_err(parent, "Node %s has inconsistent \"linux,pci-domain\" property in DT\n",
- parent->of_node->full_name);
+ dev_err(dev, "Node %s has inconsistent \"linux,pci-domain\" property in DT\n",
+ dev->of_node->full_name);
domain = -1;
}
- bus->domain_nr = domain;
+ 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
+void pci_host_assign_domain_nr(struct pci_host_bridge *host, int domain)
+{
+#ifdef CONFIG_PCI_DOMAINS_GENERIC
+ host->domain = pci_assign_domain_nr(host->dev.parent);
+#else
+ host->domain = domain;
+#endif
+}
+
/**
* pci_ext_cfg_avail - can we access extended PCI config space?
*
@@ -334,4 +334,5 @@ static inline void pci_bus_assign_domain_nr(struct pci_bus *bus,
}
#endif
+void pci_host_assign_domain_nr(struct pci_host_bridge *host, int domain);
#endif /* DRIVERS_PCI_H */
Introduce pci_host_assign_domain_nr() to save domain number in pci_host_bridge. Signed-off-by: Yijing Wang <wangyijing@huawei.com> --- drivers/pci/pci.c | 24 +++++++++++++++++++----- drivers/pci/pci.h | 1 + 2 files changed, 20 insertions(+), 5 deletions(-)