/* * (C) Copyright 2010 * Texas Instruments, * Aneesh V * * SPDX-License-Identifier: GPL-2.0+ */ #ifndef _UTILS_H_ #define _UTILS_H_ static inline s32 log_2_n_round_up(u32 n) { s32 log2n = -1; u32 temp = n; while (temp) { log2n++; temp >>= 1; } if (n & (n - 1)) return log2n + 1; /* not power of 2 - round up */ else return log2n; /* power of 2 */ } static inline s32 log_2_n_round_down(u32 n) { s32 log2n = -1; u32 temp = n; while (temp) { log2n++; temp >>= 1; } return log2n; } #endif