1*c5af58b7SGuo Ren // SPDX-License-Identifier: GPL-2.0 2*c5af58b7SGuo Ren // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. 3*c5af58b7SGuo Ren 4*c5af58b7SGuo Ren #include <linux/export.h> 5*c5af58b7SGuo Ren #include <linux/compiler.h> 6*c5af58b7SGuo Ren #include <uapi/linux/swab.h> 7*c5af58b7SGuo Ren 8*c5af58b7SGuo Ren unsigned long long notrace __bswapdi2(unsigned long long u) 9*c5af58b7SGuo Ren { 10*c5af58b7SGuo Ren return ___constant_swab64(u); 11*c5af58b7SGuo Ren } 12*c5af58b7SGuo Ren EXPORT_SYMBOL(__bswapdi2); 13