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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
- */
- #ifndef _ASM_DELAY_H
- #define _ASM_DELAY_H
- #include <linux/param.h>
- extern void __delay(unsigned long cycles);
- extern void __ndelay(unsigned long ns);
- extern void __udelay(unsigned long us);
- #define ndelay(ns) __ndelay(ns)
- #define udelay(us) __udelay(us)
- /* make sure "usecs *= ..." in udelay do not overflow. */
- #if HZ >= 1000
- #define MAX_UDELAY_MS 1
- #elif HZ <= 200
- #define MAX_UDELAY_MS 5
- #else
- #define MAX_UDELAY_MS (1000 / HZ)
- #endif
- #endif /* _ASM_DELAY_H */
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