| * Copyright 2010 Tilera Corporation. All Rights Reserved. |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation, version 2. |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
| * NON INFRINGEMENT. See the GNU General Public License for |
| #include <linux/module.h> |
| #include <linux/thread_info.h> |
| void __udelay(unsigned long usecs) |
| if (usecs > ULONG_MAX / 1000) { |
| WARN_ON_ONCE(usecs > ULONG_MAX / 1000); |
| usecs = ULONG_MAX / 1000; |
| void __ndelay(unsigned long nsecs) |
| cycles_t target = get_cycles(); |
| target += ns2cycles(nsecs); |
| while (get_cycles() < target) |
| void __delay(unsigned long cycles) |
| cycles_t target = get_cycles() + cycles; |
| while (get_cycles() < target) |