18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Generic __div64_32 wrapper for __xdiv64_32. 48c2ecf20Sopenharmony_ci */ 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci#include <linux/types.h> 78c2ecf20Sopenharmony_ci#include <asm/div64.h> 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ciextern uint64_t __xdiv64_32(u64 n, u32 d); 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ciuint32_t __div64_32(u64 *xp, u32 y) 128c2ecf20Sopenharmony_ci{ 138c2ecf20Sopenharmony_ci uint32_t rem; 148c2ecf20Sopenharmony_ci uint64_t q = __xdiv64_32(*xp, y); 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ci rem = *xp - q * y; 178c2ecf20Sopenharmony_ci *xp = q; 188c2ecf20Sopenharmony_ci 198c2ecf20Sopenharmony_ci return rem; 208c2ecf20Sopenharmony_ci} 21