[PATCH 04/18] PCI: Add busn_res tracking in core
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STALE5342d
SUPERSEDED
From: Yinghai Lu <yinghai@kernel.org>
Date: 2012-02-28 02:16:00
Also in:
linux-pci, lkml
Subsystem:
pci subsystem, the rest · Maintainers:
Bjorn Helgaas, Linus Torvalds
Revision v8 of 8 in this series.
Revisions (8)
update pci_scan_root_bus, and pci_scan_bus to insert root bus busn into iobusn_resource tree. -v2: not add pci_scan_root_bus_max... Signed-off-by: Yinghai Lu <yinghai@kernel.org> --- drivers/pci/probe.c | 11 +++++++++-- drivers/pci/remove.c | 1 + 2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 3c0eecb..e09f9b2 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c@@ -1734,7 +1734,9 @@ struct pci_bus * __devinit pci_scan_root_bus(struct device *parent, int bus, if (!b) return NULL; + pci_bus_insert_busn_res(b, bus, 255); b->subordinate = pci_scan_child_bus(b); + pci_bus_update_busn_res_end(b, b->subordinate); pci_bus_add_devices(b); return b; }
@@ -1750,9 +1752,11 @@ struct pci_bus * __devinit pci_scan_bus_parented(struct device *parent, pci_add_resource(&resources, &ioport_resource); pci_add_resource(&resources, &iomem_resource); b = pci_create_root_bus(parent, bus, ops, sysdata, &resources); - if (b) + if (b) { + pci_bus_insert_busn_res(b, bus, 255); b->subordinate = pci_scan_child_bus(b); - else + pci_bus_update_busn_res_end(b, b->subordinate); + } else pci_free_resource_list(&resources); return b; }
@@ -1768,7 +1772,10 @@ struct pci_bus * __devinit pci_scan_bus(int bus, struct pci_ops *ops, pci_add_resource(&resources, &iomem_resource); b = pci_create_root_bus(NULL, bus, ops, sysdata, &resources); if (b) { + pci_bus_insert_busn_res(b, bus, 255); b->subordinate = pci_scan_child_bus(b); + pci_bus_update_busn_res_end(b, b->subordinate); + pci_bus_add_devices(b); } else { pci_free_resource_list(&resources);
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index fd77e2b..04a4861 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c@@ -68,6 +68,7 @@ void pci_remove_bus(struct pci_bus *pci_bus) down_write(&pci_bus_sem); list_del(&pci_bus->node); + pci_bus_release_busn_res(pci_bus); up_write(&pci_bus_sem); if (!pci_bus->is_added) return;
--
1.7.7