| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* | ||||
| 3 | * Generic __div64_32 wrapper for __xdiv64_32. | ||||
| 4 | */ | ||||
| 5 | |||||
| 6 | #include <linux/types.h> | ||||
| 7 | #include <asm/div64.h> | ||||
| 8 | |||||
| 9 | extern uint64_t __xdiv64_32(u64 n, u32 d); | ||||
| 10 | |||||
| 11 | uint32_t __div64_32(u64 *xp, u32 y) | ||||
| 12 | { | ||||
| 13 | uint32_t rem; | ||||
| 14 | uint64_t q = __xdiv64_32(*xp, y); | ||||
| 15 | |||||
| 16 | rem = *xp - q * y; | ||||
| 17 | *xp = q; | ||||
| 18 | |||||
| 19 | return rem; | ||||
| 20 | } | ||||