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| author |   Ingo Molnar <mingo@elte.hu> | 2009-05-11 14:44:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-11 14:44:31 +0200 |
| commit | 41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51 (patch) | |
| tree | 51c50bcb67a5039448ddfa1869d7948cab1217e9 /arch/sparc/kernel/of_device_32.c | |
| parent | x86 gart: reimplement IOMMU_LEAK feature by using DMA_API_DEBUG (diff) | |
| parent | Linux 2.6.30-rc5 (diff) | |
| download | linux-dev-41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51.tar.xz linux-dev-41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51.zip | |
Merge commit 'v2.6.30-rc5' into core/iommu
Merge reason: core/iommu was on an .30-rc1 base,
update it to .30-rc5 to refresh.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/sparc/kernel/of_device_32.c')
| -rw-r--r-- | arch/sparc/kernel/of_device_32.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c index 0a83bd737654..c8f14c1dc521 100644 --- a/arch/sparc/kernel/of_device_32.c +++ b/arch/sparc/kernel/of_device_32.c @@ -246,8 +246,25 @@ static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags) static int of_bus_sbus_match(struct device_node *np) { - return !strcmp(np->name, "sbus") || - !strcmp(np->name, "sbi"); + struct device_node *dp = np; + + while (dp) { + if (!strcmp(dp->name, "sbus") || + !strcmp(dp->name, "sbi")) + return 1; + + /* Have a look at use_1to1_mapping(). We're trying + * to match SBUS if that's the top-level bus and we + * don't have some intervening real bus that provides + * ranges based translations. + */ + if (of_find_property(dp, "ranges", NULL) != NULL) + break; + + dp = dp->parent; + } + + return 0; } static void of_bus_sbus_count_cells(struct device_node *child, |