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authorTony Luck <tony.luck@intel.com>2005-10-31 10:51:57 -0800
committerTony Luck <tony.luck@intel.com>2005-10-31 10:51:57 -0800
commitc7fb577e2a6cb04732541f2dc402bd46747f7558 (patch)
treedf3b1a1922ed13bfbcc45d08650c38beeb1a7bd1 /include/asm-powerpc/of_device.h
parent9cec58dc138d6fcad9f447a19c8ff69f6540e667 (diff)
parent581c1b14394aee60aff46ea67d05483261ed6527 (diff)
manual update from upstream:
Applied Al's change 06a544971fad0992fe8b92c5647538d573089dd4 to new location of swiotlb.c Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-powerpc/of_device.h')
-rw-r--r--include/asm-powerpc/of_device.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/include/asm-powerpc/of_device.h b/include/asm-powerpc/of_device.h
new file mode 100644
index 00000000000..ddb16aae0bd
--- /dev/null
+++ b/include/asm-powerpc/of_device.h
@@ -0,0 +1,64 @@
+#ifndef _ASM_POWERPC_OF_DEVICE_H
+#define _ASM_POWERPC_OF_DEVICE_H
+
+#include <linux/device.h>
+#include <linux/mod_devicetable.h>
+#include <asm/prom.h>
+
+/*
+ * The of_platform_bus_type is a bus type used by drivers that do not
+ * attach to a macio or similar bus but still use OF probing
+ * mecanism
+ */
+extern struct bus_type of_platform_bus_type;
+
+/*
+ * The of_device is a kind of "base class" that is a superset of
+ * struct device for use by devices attached to an OF node and
+ * probed using OF properties
+ */
+struct of_device
+{
+ struct device_node *node; /* OF device node */
+ u64 dma_mask; /* DMA mask */
+ struct device dev; /* Generic device interface */
+};
+#define to_of_device(d) container_of(d, struct of_device, dev)
+
+extern const struct of_device_id *of_match_device(
+ const struct of_device_id *matches, const struct of_device *dev);
+
+extern struct of_device *of_dev_get(struct of_device *dev);
+extern void of_dev_put(struct of_device *dev);
+
+/*
+ * An of_platform_driver driver is attached to a basic of_device on
+ * the "platform bus" (of_platform_bus_type)
+ */
+struct of_platform_driver
+{
+ char *name;
+ struct of_device_id *match_table;
+ struct module *owner;
+
+ int (*probe)(struct of_device* dev, const struct of_device_id *match);
+ int (*remove)(struct of_device* dev);
+
+ int (*suspend)(struct of_device* dev, pm_message_t state);
+ int (*resume)(struct of_device* dev);
+ int (*shutdown)(struct of_device* dev);
+
+ struct device_driver driver;
+};
+#define to_of_platform_driver(drv) container_of(drv,struct of_platform_driver, driver)
+
+extern int of_register_driver(struct of_platform_driver *drv);
+extern void of_unregister_driver(struct of_platform_driver *drv);
+extern int of_device_register(struct of_device *ofdev);
+extern void of_device_unregister(struct of_device *ofdev);
+extern struct of_device *of_platform_device_create(struct device_node *np,
+ const char *bus_id,
+ struct device *parent);
+extern void of_release_dev(struct device *dev);
+
+#endif /* _ASM_POWERPC_OF_DEVICE_H */