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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * (C) COPYRIGHT 2018 ARM Limited. All rights reserved.4 * Author: James.Qian.Wang <james.qian.wang@arm.com>5 *6 */7#ifndef _MALIDP_UTILS_8#define _MALIDP_UTILS_9 10#include <linux/delay.h>11#include <linux/errno.h>12 13#define has_bit(nr, mask) (BIT(nr) & (mask))14#define has_bits(bits, mask) (((bits) & (mask)) == (bits))15 16#define dp_wait_cond(__cond, __tries, __min_range, __max_range) \17({ \18 int num_tries = __tries; \19 while (!__cond && (num_tries > 0)) { \20 usleep_range(__min_range, __max_range); \21 num_tries--; \22 } \23 (__cond) ? 0 : -ETIMEDOUT; \24})25 26/* the restriction of range is [start, end] */27struct malidp_range {28 u32 start;29 u32 end;30};31 32static inline void set_range(struct malidp_range *rg, u32 start, u32 end)33{34 rg->start = start;35 rg->end = end;36}37 38static inline bool malidp_in_range(struct malidp_range *rg, u32 v)39{40 return (v >= rg->start) && (v <= rg->end);41}42 43#endif /* _MALIDP_UTILS_ */44