diff options
| author | Yinghai Lu <yinghai@kernel.org> | 2012-05-17 18:51:12 -0700 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2012-06-13 15:42:24 -0600 |
| commit | 30aa80da43a5f23728eae1516e3a1aad40e808dd (patch) | |
| tree | f60ac025d7648e5b4b0960480e08d11d698b22cc /drivers/parisc/lba_pci.c | |
| parent | be8e60d8bed118b19bd7038ac2f6ac6688d072d9 (diff) | |
parisc/PCI: register busn_res for root buses
Add the host bridge bus number aperture to the resource list.
Like the MMIO and I/O port apertures, this is used when assigning
resources to hot-added devices or in the case of conflicts.
[bhelgaas: changelog, set flags directly, at LBA bus_num init]
CC: Kyle McMartin <kyle@mcmartin.ca>
CC: Helge Deller <deller@gmx.de>
CC: linux-parisc@vger.kernel.org
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/parisc/lba_pci.c')
| -rw-r--r-- | drivers/parisc/lba_pci.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c index cd8f9ce8720f..4f9cf2456f4e 100644 --- a/drivers/parisc/lba_pci.c +++ b/drivers/parisc/lba_pci.c @@ -989,6 +989,7 @@ lba_pat_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev) case PAT_PBNUM: lba_dev->hba.bus_num.start = p->start; lba_dev->hba.bus_num.end = p->end; + lba_dev->hba.bus_num.flags = IORESOURCE_BUS; break; case PAT_LMMIO: @@ -1366,6 +1367,7 @@ lba_driver_probe(struct parisc_device *dev) void *tmp_obj; char *version; void __iomem *addr = ioremap_nocache(dev->hpa.start, 4096); + int max; /* Read HW Rev First */ func_class = READ_REG32(addr + LBA_FCLASS); @@ -1502,6 +1504,8 @@ lba_driver_probe(struct parisc_device *dev) if (lba_dev->hba.gmmio_space.flags) pci_add_resource(&resources, &lba_dev->hba.gmmio_space); + pci_add_resource(&resources, &lba_dev->hba.bus_num); + dev->dev.platform_data = lba_dev; lba_bus = lba_dev->hba.hba_bus = pci_create_root_bus(&dev->dev, lba_dev->hba.bus_num.start, @@ -1511,7 +1515,7 @@ lba_driver_probe(struct parisc_device *dev) return 0; } - lba_bus->busn_res.end = pci_scan_child_bus(lba_bus); + max = pci_scan_child_bus(lba_bus); /* This is in lieu of calling pci_assign_unassigned_resources() */ if (is_pdc_pat()) { @@ -1541,7 +1545,7 @@ lba_driver_probe(struct parisc_device *dev) lba_dev->flags |= LBA_FLAG_SKIP_PROBE; } - lba_next_bus = lba_res->busn_res.end + 1; + lba_next_bus = max + 1; pci_bus_add_devices(lba_bus); /* Whew! Finally done! Tell services we got this one covered. */ |