sparc: Add OF archdata propagation helper.
Add a helper function that, given a bus of_device node, propagates all iommu, stc, and host_controller values down to the child nodes. Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -30,6 +30,8 @@ struct of_device
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extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
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extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
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extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size);
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extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size);
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extern void of_propagate_archdata(struct of_device *bus);
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/* This is just here during the transition */
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/* This is just here during the transition */
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#include <linux/of_platform.h>
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#include <linux/of_platform.h>
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@ -40,6 +40,28 @@ unsigned int irq_of_parse_and_map(struct device_node *node, int index)
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}
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}
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EXPORT_SYMBOL(irq_of_parse_and_map);
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EXPORT_SYMBOL(irq_of_parse_and_map);
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/* Take the archdata values for IOMMU, STC, and HOSTDATA found in
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* BUS and propagate to all child of_device objects.
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*/
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void of_propagate_archdata(struct of_device *bus)
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{
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struct dev_archdata *bus_sd = &bus->dev.archdata;
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struct device_node *bus_dp = bus->node;
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struct device_node *dp;
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for (dp = bus_dp->child; dp; dp = dp->sibling) {
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struct of_device *op = of_find_device_by_node(dp);
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op->dev.archdata.iommu = bus_sd->iommu;
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op->dev.archdata.stc = bus_sd->stc;
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op->dev.archdata.host_controller = bus_sd->host_controller;
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op->dev.archdata.numa_node = bus_sd->numa_node;
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if (dp->child)
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of_propagate_archdata(op);
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}
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}
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#ifdef CONFIG_PCI
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#ifdef CONFIG_PCI
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struct bus_type ebus_bus_type;
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struct bus_type ebus_bus_type;
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EXPORT_SYMBOL(ebus_bus_type);
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EXPORT_SYMBOL(ebus_bus_type);
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@ -66,6 +66,28 @@ unsigned int irq_of_parse_and_map(struct device_node *node, int index)
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}
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}
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EXPORT_SYMBOL(irq_of_parse_and_map);
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EXPORT_SYMBOL(irq_of_parse_and_map);
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/* Take the archdata values for IOMMU, STC, and HOSTDATA found in
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* BUS and propagate to all child of_device objects.
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*/
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void of_propagate_archdata(struct of_device *bus)
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{
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struct dev_archdata *bus_sd = &bus->dev.archdata;
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struct device_node *bus_dp = bus->node;
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struct device_node *dp;
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for (dp = bus_dp->child; dp; dp = dp->sibling) {
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struct of_device *op = of_find_device_by_node(dp);
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op->dev.archdata.iommu = bus_sd->iommu;
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op->dev.archdata.stc = bus_sd->stc;
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op->dev.archdata.host_controller = bus_sd->host_controller;
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op->dev.archdata.numa_node = bus_sd->numa_node;
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if (dp->child)
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of_propagate_archdata(op);
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}
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}
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#ifdef CONFIG_PCI
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#ifdef CONFIG_PCI
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struct bus_type ebus_bus_type;
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struct bus_type ebus_bus_type;
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EXPORT_SYMBOL(ebus_bus_type);
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EXPORT_SYMBOL(ebus_bus_type);
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