Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __VDSO_MATH64_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __VDSO_MATH64_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) static __always_inline u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) __iter_div_u64_rem(u64 dividend, u32 divisor, u64 *remainder)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 	u32 ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	while (dividend >= divisor) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 		/* The following asm() prevents the compiler from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 		   optimising this loop into a modulo operation.  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 		asm("" : "+rm"(dividend));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 		dividend -= divisor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 		ret++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	*remainder = dividend;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #endif /* __VDSO_MATH64_H */