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- /*
- * (C) Copyright 2010
- * Texas Instruments, <www.ti.com>
- * Aneesh V <aneesh@ti.com>
- *
- * 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
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