#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>
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)
EXPORT_SYMBOL(of_find_device_by_node);
#ifdef CONFIG_PCI
-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)
{
int *addrc, int *sizec);
int (*map)(u32 *addr, const u32 *range,
int na, int ns, int pna);
- unsigned int (*get_flags)(u32 *addr);
+ unsigned int (*get_flags)(const u32 *addr);
};
/*
return 0;
}
-static unsigned int of_bus_default_get_flags(u32 *addr)
+static unsigned int of_bus_default_get_flags(const u32 *addr)
{
return IORESOURCE_MEM;
}
return 0;
}
-static unsigned int of_bus_pci_get_flags(u32 *addr)
+static unsigned int of_bus_pci_get_flags(const u32 *addr)
{
unsigned int flags = 0;
u32 w = addr[0];
return of_bus_default_map(addr, range, na, ns, pna);
}
-static unsigned int of_bus_sbus_get_flags(u32 *addr)
+static unsigned int of_bus_sbus_get_flags(const u32 *addr)
{
return IORESOURCE_MEM;
}
u32 *addr,
int na, int ns, int pna)
{
- u32 *ranges;
+ const u32 *ranges;
unsigned int rlen;
int rone;
struct of_bus *bus;
int na, ns;
int index, num_reg;
- void *preg;
+ const void *preg;
if (!parent)
return;
for (index = 0; index < num_reg; index++) {
struct resource *r = &op->resource[index];
u32 addr[OF_MAX_ADDR_CELLS];
- u32 *reg = (preg + (index * ((na + ns) * 4)));
+ const u32 *reg = (preg + (index * ((na + ns) * 4)));
struct device_node *dp = op->node;
struct device_node *pp = p_op->node;
- struct of_bus *pbus;
+ struct of_bus *pbus, *dbus;
u64 size, result = OF_BAD_ADDR;
unsigned long flags;
int dna, dns;
dna = na;
dns = ns;
+ dbus = bus;
while (1) {
dp = pp;
pbus = of_match_bus(pp);
pbus->count_cells(dp, &pna, &pns);
- if (build_one_resource(dp, bus, pbus, addr,
+ if (build_one_resource(dp, dbus, pbus, addr,
dna, dns, pna))
break;
dna = pna;
dns = pns;
- bus = pbus;
+ dbus = pbus;
}
build_res:
r->start = result & 0xffffffff;
r->end = result + size - 1;
r->flags = flags | ((result >> 32ULL) & 0xffUL);
- } else {
- r->start = ~0UL;
- r->end = ~0UL;
}
r->name = op->node->name;
}
struct device *parent)
{
struct of_device *op = kzalloc(sizeof(*op), GFP_KERNEL);
- struct linux_prom_irqs *intr;
+ const struct linux_prom_irqs *intr;
+ 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",
for (i = 0; i < op->num_irqs; i++)
op->irqs[i] = intr[i].pri;
} else {
- unsigned int *irq = of_get_property(dp, "interrupts", &len);
+ const unsigned int *irq =
+ of_get_property(dp, "interrupts", &len);
if (irq) {
op->num_irqs = len / sizeof(unsigned int);
0, 0, 1, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 0,
};
struct device_node *io_unit, *sbi = dp->parent;
- struct linux_prom_registers *regs;
+ const struct linux_prom_registers *regs;
int board, slot;
while (sbi) {
build_device_resources(op, parent);
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
{
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(&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)
int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus)
{
/* initialize common driver fields */
- drv->driver.name = drv->name;
+ if (!drv->driver.name)
+ drv->driver.name = drv->name;
+ if (!drv->driver.owner)
+ drv->driver.owner = drv->owner;
drv->driver.bus = bus;
/* register with core */
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,
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);