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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
|
|
