add nk_io at24_eeprom driver

hc

2023-02-14 796a7ef0befd21e25c2b9e42f53a6d7a4421941d

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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _RCUPDATE_H
#define _RCUPDATE_H
 
#include <urcu.h>
 
#define rcu_dereference_raw(p) rcu_dereference(p)
#define rcu_dereference_protected(p, cond) rcu_dereference(p)
 
#endif