| 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(n: *xp, d: y); |
| 15 | |
| 16 | rem = *xp - q * y; |
| 17 | *xp = q; |
| 18 | |
| 19 | return rem; |
| 20 | } |
| 21 |