diff options
author | David Woodhouse <David.Woodhouse@intel.com> | 2010-05-10 14:32:46 +0100 |
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committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-05-10 14:32:46 +0100 |
commit | 0ae28a35bcb7984838acbf28bfba9c030f8b74f0 (patch) | |
tree | 4f449d929b5df9e126e839f388ff0fd2b52028a0 /drivers/pci/probe.c | |
parent | 6f1f3d0ab5c3eeea9f04486481c25e9afdfa26c5 (diff) | |
parent | b57f95a38233a2e73b679bea4a5453a1cc2a1cc9 (diff) | |
download | linux-rt-0ae28a35bcb7984838acbf28bfba9c030f8b74f0.tar.gz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/mtd/mtdcore.c
Pull in the bdi fixes and ARM platform changes that other outstanding
patches depend on.
Diffstat (limited to 'drivers/pci/probe.c')
-rw-r--r-- | drivers/pci/probe.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 2a943090a3b7..c82548afcd5c 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -312,7 +312,7 @@ static void __devinit pci_read_bridge_io(struct pci_bus *child) dev_printk(KERN_DEBUG, &dev->dev, " bridge window %pR\n", res); } else { dev_printk(KERN_DEBUG, &dev->dev, - " bridge window [io %04lx - %04lx] reg reading\n", + " bridge window [io %#06lx-%#06lx] (disabled)\n", base, limit); } } @@ -336,7 +336,7 @@ static void __devinit pci_read_bridge_mmio(struct pci_bus *child) dev_printk(KERN_DEBUG, &dev->dev, " bridge window %pR\n", res); } else { dev_printk(KERN_DEBUG, &dev->dev, - " bridge window [mem 0x%08lx - 0x%08lx] reg reading\n", + " bridge window [mem %#010lx-%#010lx] (disabled)\n", base, limit + 0xfffff); } } @@ -387,7 +387,7 @@ static void __devinit pci_read_bridge_mmio_pref(struct pci_bus *child) dev_printk(KERN_DEBUG, &dev->dev, " bridge window %pR\n", res); } else { dev_printk(KERN_DEBUG, &dev->dev, - " bridge window [mem 0x%08lx - %08lx pref] reg reading\n", + " bridge window [mem %#010lx-%#010lx pref] (disabled)\n", base, limit + 0xfffff); } } @@ -673,16 +673,20 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int is_cardbus = (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS); u32 buses, i, j = 0; u16 bctl; + u8 primary, secondary, subordinate; int broken = 0; pci_read_config_dword(dev, PCI_PRIMARY_BUS, &buses); + primary = buses & 0xFF; + secondary = (buses >> 8) & 0xFF; + subordinate = (buses >> 16) & 0xFF; - dev_dbg(&dev->dev, "scanning behind bridge, config %06x, pass %d\n", - buses & 0xffffff, pass); + dev_dbg(&dev->dev, "scanning [bus %02x-%02x] behind bridge, pass %d\n", + secondary, subordinate, pass); /* Check if setup is sensible at all */ if (!pass && - ((buses & 0xff) != bus->number || ((buses >> 8) & 0xff) <= bus->number)) { + (primary != bus->number || secondary <= bus->number)) { dev_dbg(&dev->dev, "bus configuration invalid, reconfiguring\n"); broken = 1; } @@ -693,15 +697,15 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, pci_write_config_word(dev, PCI_BRIDGE_CONTROL, bctl & ~PCI_BRIDGE_CTL_MASTER_ABORT); - if ((buses & 0xffff00) && !pcibios_assign_all_busses() && !is_cardbus && !broken) { - unsigned int cmax, busnr; + if ((secondary || subordinate) && !pcibios_assign_all_busses() && + !is_cardbus && !broken) { + unsigned int cmax; /* * Bus already configured by firmware, process it in the first * pass and just note the configuration. */ if (pass) goto out; - busnr = (buses >> 8) & 0xFF; /* * If we already got to this bus through a different bridge, @@ -710,13 +714,13 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, * However, we continue to descend down the hierarchy and * scan remaining child buses. */ - child = pci_find_bus(pci_domain_nr(bus), busnr); + child = pci_find_bus(pci_domain_nr(bus), secondary); if (!child) { - child = pci_add_new_bus(bus, dev, busnr); + child = pci_add_new_bus(bus, dev, secondary); if (!child) goto out; - child->primary = buses & 0xFF; - child->subordinate = (buses >> 16) & 0xFF; + child->primary = primary; + child->subordinate = subordinate; child->bridge_ctl = bctl; } |