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-rw-r--r--include/linux/dio.h32
1 files changed, 0 insertions, 32 deletions
diff --git a/include/linux/dio.h b/include/linux/dio.h
index fae9395fcf4f..1e65ebc2a3db 100644
--- a/include/linux/dio.h
+++ b/include/linux/dio.h
@@ -276,37 +276,5 @@ static inline void dio_set_drvdata (struct dio_dev *d, void *data)
276 dev_set_drvdata(&d->dev, data); 276 dev_set_drvdata(&d->dev, data);
277} 277}
278 278
279/*
280 * A helper function which helps ensure correct dio_driver
281 * setup and cleanup for commonly-encountered hotplug/modular cases
282 *
283 * This MUST stay in a header, as it checks for -DMODULE
284 */
285static inline int dio_module_init(struct dio_driver *drv)
286{
287 int rc = dio_register_driver(drv);
288
289 if (rc > 0)
290 return 0;
291
292 /* iff CONFIG_HOTPLUG and built into kernel, we should
293 * leave the driver around for future hotplug events.
294 * For the module case, a hotplug daemon of some sort
295 * should load a module in response to an insert event. */
296#if defined(CONFIG_HOTPLUG) && !defined(MODULE)
297 if (rc == 0)
298 return 0;
299#else
300 if (rc == 0)
301 rc = -ENODEV;
302#endif
303
304 /* if we get here, we need to clean up DIO driver instance
305 * and return some sort of error */
306 dio_unregister_driver(drv);
307
308 return rc;
309}
310
311#endif /* __KERNEL__ */ 279#endif /* __KERNEL__ */
312#endif /* ndef _LINUX_DIO_H */ 280#endif /* ndef _LINUX_DIO_H */