162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Generic __div64_32 wrapper for __xdiv64_32. 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#include <linux/types.h> 762306a36Sopenharmony_ci#include <asm/div64.h> 862306a36Sopenharmony_ci 962306a36Sopenharmony_ciextern uint64_t __xdiv64_32(u64 n, u32 d); 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ciuint32_t __div64_32(u64 *xp, u32 y) 1262306a36Sopenharmony_ci{ 1362306a36Sopenharmony_ci uint32_t rem; 1462306a36Sopenharmony_ci uint64_t q = __xdiv64_32(*xp, y); 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci rem = *xp - q * y; 1762306a36Sopenharmony_ci *xp = q; 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci return rem; 2062306a36Sopenharmony_ci} 21