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| author | David S. Miller <davem@sunset.davemloft.net> | 2006-02-15 01:19:56 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 01:13:03 -0800 |
| commit | 63c2a0e598c2fa769a08a6e9ad124bf270b4436e (patch) | |
| tree | 3e3a0c8a68221b4a76489ad595d0b886e2683dd9 /arch/sparc64/kernel/pci_common.c | |
| parent | ab66a50e31deb48b0444c248e67e5aa3217efda5 (diff) | |
| download | lwn-63c2a0e598c2fa769a08a6e9ad124bf270b4436e.tar.gz lwn-63c2a0e598c2fa769a08a6e9ad124bf270b4436e.zip | |
[SPARC64]: Fix pci_intmap_match().
When crawling up the PCI bus chain, stop at the first node
that has an interrupt-map property before we hit the root.
Also, if we use a bus interrupt-{map,mask} do not forget to
update the 'intmask' pointer as we do for the 'intmap' pointer.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/pci_common.c')
| -rw-r--r-- | arch/sparc64/kernel/pci_common.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c index b2d21b11a232..ab6a2e1b76fb 100644 --- a/arch/sparc64/kernel/pci_common.c +++ b/arch/sparc64/kernel/pci_common.c @@ -581,18 +581,23 @@ static int __init pci_intmap_match(struct pci_dev *pdev, unsigned int *interrupt int plen; bus_dev = pdev->bus->self; + bus_pcp = bus_dev->sysdata; regs_dev = pdev; + regs_pcp = regs_dev->sysdata; while (bus_dev->bus && - bus_dev->bus->number != pbm->pci_first_busno) { + bus_dev->bus->number != pbm->pci_first_busno && + prom_getproplen(bus_pcp->prom_node, + "interrupt-map") <= 0) { regs_dev = bus_dev; + regs_pcp = regs_dev->sysdata; + bus_dev = bus_dev->bus->self; + bus_pcp = bus_dev->sysdata; } - regs_pcp = regs_dev->sysdata; pregs = regs_pcp->prom_regs; - bus_pcp = bus_dev->sysdata; /* But if the PCI bridge has it's own interrupt map * and mask properties, use that and the regs of the @@ -616,6 +621,8 @@ static int __init pci_intmap_match(struct pci_dev *pdev, unsigned int *interrupt return 0; } + intmask = &bridge_local_intmask; + if (pdev->bus->self != bus_dev) map_slot = 1; } else { |