// SPDX-License-Identifier: GPL-2.0// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.#include <linux/kernel.h>#include <linux/module.h>#include <linux/init.h>#include <linux/delay.h> void __aligned(8) __delay(unsigned long loops){	asm volatile (		"mov r0, r0\n"		"1:declt %0\n"		"bf	1b"		: "=r"(loops)		: "0"(loops));}EXPORT_SYMBOL(__delay); void __const_udelay(unsigned long xloops){	unsigned long long loops; 	loops = (unsigned long long)xloops * loops_per_jiffy * HZ; 	__delay(loops >> 32);}EXPORT_SYMBOL(__const_udelay); void __udelay(unsigned long usecs){	__const_udelay(usecs * 0x10C7UL); /* 2**32 / 1000000 (rounded up) */}EXPORT_SYMBOL(__udelay); void __ndelay(unsigned long nsecs){	__const_udelay(nsecs * 0x5UL); /* 2**32 / 1000000000 (rounded up) */}EXPORT_SYMBOL(__ndelay);