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Diffstat (limited to 'include/linux/platform_device.h')
-rw-r--r--include/linux/platform_device.h17
1 files changed, 8 insertions, 9 deletions
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 7a41c72c1959..7132623e4658 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -52,7 +52,7 @@ struct platform_device {
extern int platform_device_register(struct platform_device *);
extern void platform_device_unregister(struct platform_device *);
-extern struct bus_type platform_bus_type;
+extern const struct bus_type platform_bus_type;
extern struct device platform_bus;
extern struct resource *platform_get_resource(struct platform_device *,
@@ -237,15 +237,14 @@ struct platform_driver {
int (*probe)(struct platform_device *);
/*
- * Traditionally the remove callback returned an int which however is
- * ignored by the driver core. This led to wrong expectations by driver
- * authors who thought returning an error code was a valid error
- * handling strategy. To convert to a callback returning void, new
- * drivers should implement .remove_new() until the conversion it done
- * that eventually makes .remove() return void.
+ * .remove_new() is a relic from a prototype conversion of .remove().
+ * New drivers are supposed to implement .remove(). Once all drivers are
+ * converted to not use .remove_new any more, it will be dropped.
*/
- int (*remove)(struct platform_device *);
- void (*remove_new)(struct platform_device *);
+ union {
+ void (*remove)(struct platform_device *);
+ void (*remove_new)(struct platform_device *);
+ };
void (*shutdown)(struct platform_device *);
int (*suspend)(struct platform_device *, pm_message_t state);