1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _LINUX_NVRAM_H 3 #define _LINUX_NVRAM_H 4 5 #include <uapi/linux/nvram.h> 6 7 /* __foo is foo without grabbing the rtc_lock - get it yourself */ 8 extern unsigned char __nvram_read_byte(int i); 9 extern unsigned char nvram_read_byte(int i); 10 extern void __nvram_write_byte(unsigned char c, int i); 11 extern void nvram_write_byte(unsigned char c, int i); 12 extern int __nvram_check_checksum(void); 13 extern int nvram_check_checksum(void); 14 #endif /* _LINUX_NVRAM_H */ 15