Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[pandora-kernel.git] / arch / sparc64 / kernel / of_device.c
index 16cc46a..fc5c0cc 100644 (file)
 #include <linux/string.h>
 #include <linux/kernel.h>
+#include <linux/of.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>
 #include <linux/slab.h>
-
-#include <asm/errno.h>
-#include <asm/of_device.h>
-
-/**
- * of_match_device - Tell if an of_device structure has a matching
- * of_match structure
- * @ids: array of of device match structures to search in
- * @dev: the of device structure to match against
- *
- * Used by a driver to check whether an of_device present in the
- * system is in its list of supported devices.
- */
-const struct of_device_id *of_match_device(const struct of_device_id *matches,
-                                       const struct of_device *dev)
-{
-       if (!dev->node)
-               return NULL;
-       while (matches->name[0] || matches->type[0] || matches->compatible[0]) {
-               int match = 1;
-               if (matches->name[0])
-                       match &= dev->node->name
-                               && !strcmp(matches->name, dev->node->name);
-               if (matches->type[0])
-                       match &= dev->node->type
-                               && !strcmp(matches->type, dev->node->type);
-               if (matches->compatible[0])
-                       match &= of_device_is_compatible(dev->node,
-                                                        matches->compatible);
-               if (match)
-                       return matches;
-               matches++;
-       }
-       return NULL;
-}
-
-static int of_platform_bus_match(struct device *dev, struct device_driver *drv)
-{
-       struct of_device * of_dev = to_of_device(dev);
-       struct of_platform_driver * of_drv = to_of_platform_driver(drv);
-       const struct of_device_id * matches = of_drv->match_table;
-
-       if (!matches)
-               return 0;
-
-       return of_match_device(matches, of_dev) != NULL;
-}
-
-struct of_device *of_dev_get(struct of_device *dev)
-{
-       struct device *tmp;
-
-       if (!dev)
-               return NULL;
-       tmp = get_device(&dev->dev);
-       if (tmp)
-               return to_of_device(tmp);
-       else
-               return NULL;
-}
-
-void of_dev_put(struct of_device *dev)
-{
-       if (dev)
-               put_device(&dev->dev);
-}
-
-
-static int of_device_probe(struct device *dev)
-{
-       int error = -ENODEV;
-       struct of_platform_driver *drv;
-       struct of_device *of_dev;
-       const struct of_device_id *match;
-
-       drv = to_of_platform_driver(dev->driver);
-       of_dev = to_of_device(dev);
-
-       if (!drv->probe)
-               return error;
-
-       of_dev_get(of_dev);
-
-       match = of_match_device(drv->match_table, of_dev);
-       if (match)
-               error = drv->probe(of_dev, match);
-       if (error)
-               of_dev_put(of_dev);
-
-       return error;
-}
-
-static int of_device_remove(struct device *dev)
-{
-       struct of_device * of_dev = to_of_device(dev);
-       struct of_platform_driver * drv = to_of_platform_driver(dev->driver);
-
-       if (dev->driver && drv->remove)
-               drv->remove(of_dev);
-       return 0;
-}
-
-static int of_device_suspend(struct device *dev, pm_message_t state)
-{
-       struct of_device * of_dev = to_of_device(dev);
-       struct of_platform_driver * drv = to_of_platform_driver(dev->driver);
-       int error = 0;
-
-       if (dev->driver && drv->suspend)
-               error = drv->suspend(of_dev, state);
-       return error;
-}
-
-static int of_device_resume(struct device * dev)
-{
-       struct of_device * of_dev = to_of_device(dev);
-       struct of_platform_driver * drv = to_of_platform_driver(dev->driver);
-       int error = 0;
-
-       if (dev->driver && drv->resume)
-               error = drv->resume(of_dev);
-       return error;
-}
+#include <linux/errno.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
 
 void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name)
 {
@@ -163,7 +44,7 @@ static int node_match(struct device *dev, void *data)
 
 struct of_device *of_find_device_by_node(struct device_node *dp)
 {
-       struct device *dev = bus_find_device(&of_bus_type, NULL,
+       struct device *dev = bus_find_device(&of_platform_bus_type, NULL,
                                             dp, node_match);
 
        if (dev)
@@ -174,48 +55,20 @@ struct of_device *of_find_device_by_node(struct device_node *dp)
 EXPORT_SYMBOL(of_find_device_by_node);
 
 #ifdef CONFIG_PCI
-struct bus_type isa_bus_type = {
-       .name   = "isa",
-       .match  = of_platform_bus_match,
-       .probe  = of_device_probe,
-       .remove = of_device_remove,
-       .suspend        = of_device_suspend,
-       .resume = of_device_resume,
-};
+struct bus_type isa_bus_type;
 EXPORT_SYMBOL(isa_bus_type);
 
-struct bus_type ebus_bus_type = {
-       .name   = "ebus",
-       .match  = of_platform_bus_match,
-       .probe  = of_device_probe,
-       .remove = of_device_remove,
-       .suspend        = of_device_suspend,
-       .resume = of_device_resume,
-};
+struct bus_type ebus_bus_type;
 EXPORT_SYMBOL(ebus_bus_type);
 #endif
 
 #ifdef CONFIG_SBUS
-struct bus_type sbus_bus_type = {
-       .name   = "sbus",
-       .match  = of_platform_bus_match,
-       .probe  = of_device_probe,
-       .remove = of_device_remove,
-       .suspend        = of_device_suspend,
-       .resume = of_device_resume,
-};
+struct bus_type sbus_bus_type;
 EXPORT_SYMBOL(sbus_bus_type);
 #endif
 
-struct bus_type of_bus_type = {
-       .name   = "of",
-       .match  = of_platform_bus_match,
-       .probe  = of_device_probe,
-       .remove = of_device_remove,
-       .suspend        = of_device_suspend,
-       .resume = of_device_resume,
-};
-EXPORT_SYMBOL(of_bus_type);
+struct bus_type of_platform_bus_type;
+EXPORT_SYMBOL(of_platform_bus_type);
 
 static inline u64 of_read_addr(const u32 *cell, int size)
 {
@@ -343,6 +196,15 @@ static int of_bus_simba_match(struct device_node *np)
 
        if (model && !strcmp(model, "SUNW,simba"))
                return 1;
+
+       /* Treat PCI busses lacking ranges property just like
+        * simba.
+        */
+       if (!strcmp(np->type, "pci") || !strcmp(np->type, "pciex")) {
+               if (!of_find_property(np, "ranges", NULL))
+                       return 1;
+       }
+
        return 0;
 }
 
@@ -549,8 +411,6 @@ static int __init build_one_resource(struct device_node *parent,
 
 static int __init use_1to1_mapping(struct device_node *pp)
 {
-       const char *model;
-
        /* If this is on the PMU bus, don't try to translate it even
         * if a ranges property exists.
         */
@@ -567,9 +427,11 @@ static int __init use_1to1_mapping(struct device_node *pp)
        if (!strcmp(pp->name, "dma"))
                return 0;
 
-       /* Similarly for Simba PCI bridges.  */
-       model = of_get_property(pp, "model", NULL);
-       if (model && !strcmp(model, "SUNW,simba"))
+       /* Similarly for all PCI bridges, if we get this far
+        * it lacks a ranges property, and this will include
+        * cases like Simba.
+        */
+       if (!strcmp(pp->type, "pci") || !strcmp(pp->type, "pciex"))
                return 0;
 
        return 1;
@@ -890,11 +752,16 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
 {
        struct of_device *op = kzalloc(sizeof(*op), GFP_KERNEL);
        const unsigned int *irq;
+       struct dev_archdata *sd;
        int len, i;
 
        if (!op)
                return NULL;
 
+       sd = &op->dev.archdata;
+       sd->prom_node = dp;
+       sd->op = op;
+
        op->node = dp;
 
        op->clock_freq = of_getintprop_default(dp, "clock-frequency",
@@ -924,7 +791,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
                op->irqs[i] = build_one_device_irq(op, parent, op->irqs[i]);
 
        op->dev.parent = parent;
-       op->dev.bus = &of_bus_type;
+       op->dev.bus = &of_platform_bus_type;
        if (!parent)
                strcpy(op->dev.bus_id, "root");
        else
@@ -968,16 +835,16 @@ static int __init of_bus_driver_init(void)
 {
        int err;
 
-       err = bus_register(&of_bus_type);
+       err = of_bus_type_init(&of_platform_bus_type, "of");
 #ifdef CONFIG_PCI
        if (!err)
-               err = bus_register(&isa_bus_type);
+               err = of_bus_type_init(&isa_bus_type, "isa");
        if (!err)
-               err = bus_register(&ebus_bus_type);
+               err = of_bus_type_init(&ebus_bus_type, "ebus");
 #endif
 #ifdef CONFIG_SBUS
        if (!err)
-               err = bus_register(&sbus_bus_type);
+               err = of_bus_type_init(&sbus_bus_type, "sbus");
 #endif
 
        if (!err)
@@ -1002,71 +869,6 @@ static int __init of_debug(char *str)
 
 __setup("of_debug=", of_debug);
 
-int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus)
-{
-       /* initialize common driver fields */
-       drv->driver.name = drv->name;
-       drv->driver.bus = bus;
-
-       /* register with core */
-       return driver_register(&drv->driver);
-}
-
-void of_unregister_driver(struct of_platform_driver *drv)
-{
-       driver_unregister(&drv->driver);
-}
-
-
-static ssize_t dev_show_devspec(struct device *dev, struct device_attribute *attr, char *buf)
-{
-       struct of_device *ofdev;
-
-       ofdev = to_of_device(dev);
-       return sprintf(buf, "%s", ofdev->node->full_name);
-}
-
-static DEVICE_ATTR(devspec, S_IRUGO, dev_show_devspec, NULL);
-
-/**
- * of_release_dev - free an of device structure when all users of it are finished.
- * @dev: device that's been disconnected
- *
- * Will be called only by the device core when all users of this of device are
- * done.
- */
-void of_release_dev(struct device *dev)
-{
-       struct of_device *ofdev;
-
-        ofdev = to_of_device(dev);
-
-       kfree(ofdev);
-}
-
-int of_device_register(struct of_device *ofdev)
-{
-       int rc;
-
-       BUG_ON(ofdev->node == NULL);
-
-       rc = device_register(&ofdev->dev);
-       if (rc)
-               return rc;
-
-       rc = device_create_file(&ofdev->dev, &dev_attr_devspec);
-       if (rc)
-               device_unregister(&ofdev->dev);
-
-       return rc;
-}
-
-void of_device_unregister(struct of_device *ofdev)
-{
-       device_remove_file(&ofdev->dev, &dev_attr_devspec);
-       device_unregister(&ofdev->dev);
-}
-
 struct of_device* of_platform_device_create(struct device_node *np,
                                            const char *bus_id,
                                            struct device *parent,
@@ -1091,13 +893,4 @@ struct of_device* of_platform_device_create(struct device_node *np,
 
        return dev;
 }
-
-EXPORT_SYMBOL(of_match_device);
-EXPORT_SYMBOL(of_register_driver);
-EXPORT_SYMBOL(of_unregister_driver);
-EXPORT_SYMBOL(of_device_register);
-EXPORT_SYMBOL(of_device_unregister);
-EXPORT_SYMBOL(of_dev_get);
-EXPORT_SYMBOL(of_dev_put);
 EXPORT_SYMBOL(of_platform_device_create);
-EXPORT_SYMBOL(of_release_dev);