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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* MTD devices registration
*
* Copyright (C) 2011 Robert Jarzmik
*/
/**
* mtddev_hook - hook to register additional mtd devices
* @add_mtd_device: called when a MTD driver calls add_mtd_device()
* @del_mtd_device: called when a MTD driver calls del_mtd_device()
*
* Provide a hook to be called whenether a add_mtd_device() is called.
* Additionnal devices like mtdoob and mtdraw subscribe to the service.
*/
struct mtddev_hook {
struct list_head hook;
int (*add_mtd_device)(struct mtd_info *mtd, const char *devname, void **priv);
int (*del_mtd_device)(struct mtd_info *mtd, void **priv);
void *priv;
};
struct cdev;
/**
* mtdcore_add_hook - add a hook to MTD registration/unregistration
* @hook: the hook
*
* Normally called in a coredevice_initcall() to add another MTD layout (such as
* mtdraw, ...)
*/
void mtdcore_add_hook(struct mtddev_hook *hook);
int mtd_ioctl(struct cdev *cdev, int request, void *buf);
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