diff options
Diffstat (limited to 'arch/sparc/kernel')
| -rw-r--r-- | arch/sparc/kernel/of_device.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/sparc/kernel/of_device.c b/arch/sparc/kernel/of_device.c index aace71f7d6e..8fdc1b3113b 100644 --- a/arch/sparc/kernel/of_device.c +++ b/arch/sparc/kernel/of_device.c @@ -40,6 +40,28 @@ unsigned int irq_of_parse_and_map(struct device_node *node, int index) } EXPORT_SYMBOL(irq_of_parse_and_map); +/* Take the archdata values for IOMMU, STC, and HOSTDATA found in + * BUS and propagate to all child of_device objects. + */ +void of_propagate_archdata(struct of_device *bus) +{ + struct dev_archdata *bus_sd = &bus->dev.archdata; + struct device_node *bus_dp = bus->node; + struct device_node *dp; + + for (dp = bus_dp->child; dp; dp = dp->sibling) { + struct of_device *op = of_find_device_by_node(dp); + + op->dev.archdata.iommu = bus_sd->iommu; + op->dev.archdata.stc = bus_sd->stc; + op->dev.archdata.host_controller = bus_sd->host_controller; + op->dev.archdata.numa_node = bus_sd->numa_node; + + if (dp->child) + of_propagate_archdata(op); + } +} + #ifdef CONFIG_PCI struct bus_type ebus_bus_type; EXPORT_SYMBOL(ebus_bus_type); |