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| author | David S. Miller <davem@davemloft.net> | 2008-09-03 02:04:41 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-09-03 02:05:19 -0700 |
| commit | 5280267c1dddb8d413595b87dc406624bb497946 (patch) | |
| tree | 541701a1c15d17b7b5535beebd8e4f258d31395c /arch/sparc64 | |
| parent | 9723f38eb53eac9a851210b629555a37afa3f15c (diff) | |
| download | op-kernel-dev-5280267c1dddb8d413595b87dc406624bb497946.zip op-kernel-dev-5280267c1dddb8d413595b87dc406624bb497946.tar.gz | |
sparc: Fix handling of LANCE and ESP parent nodes in of_device.c
The device nodes that sit above 'esp' and 'le' on SBUS lack a 'ranges'
property, but we should pass the translation up to the parent node so
that the SBUS level ranges get applied.
Based upon a bug report from Robert Reif.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64')
| -rw-r--r-- | arch/sparc64/kernel/of_device.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c index e427086..c15bcdf 100644 --- a/arch/sparc64/kernel/of_device.c +++ b/arch/sparc64/kernel/of_device.c @@ -438,8 +438,17 @@ static int __init use_1to1_mapping(struct device_node *pp) /* If the parent is the dma node of an ISA bus, pass * the translation up to the root. + * + * Some SBUS devices use intermediate nodes to express + * hierarchy within the device itself. These aren't + * real bus nodes, and don't have a 'ranges' property. + * But, we should still pass the translation work up + * to the SBUS itself. */ - if (!strcmp(pp->name, "dma")) + if (!strcmp(pp->name, "dma") || + !strcmp(pp->name, "espdma") || + !strcmp(pp->name, "ledma") || + !strcmp(pp->name, "lebuffer")) return 0; /* Similarly for all PCI bridges, if we get this far |
