add 4 io

hc

2023-08-21 ef9e1ccebba20d2e3859126411166909a383f483

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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __API_CPU__
#define __API_CPU__
 
int cpu__get_max_freq(unsigned long long *freq);
 
#endif /* __API_CPU__ */