From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/loongarch/include/asm/delay.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 arch/loongarch/include/asm/delay.h (limited to 'arch/loongarch/include/asm/delay.h') diff --git a/arch/loongarch/include/asm/delay.h b/arch/loongarch/include/asm/delay.h new file mode 100644 index 000000000..36d775191 --- /dev/null +++ b/arch/loongarch/include/asm/delay.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020-2022 Loongson Technology Corporation Limited + */ +#ifndef _ASM_DELAY_H +#define _ASM_DELAY_H + +#include + +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 */ -- cgit v1.2.3