| Helge Deller | f6d12ee | 2013-10-23 23:29:16 +0200 | [diff] [blame] | 1 | #ifndef _ASM_PARISC_DELAY_H |
| 2 | #define _ASM_PARISC_DELAY_H |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | |
| 4 | static __inline__ void __delay(unsigned long loops) { |
| 5 | asm volatile( |
| 6 | " .balignl 64,0x34000034\n" |
| 7 | " addib,UV -1,%0,.\n" |
| 8 | " nop\n" |
| 9 | : "=r" (loops) : "0" (loops)); |
| 10 | } |
| 11 | |
| Helge Deller | f6d12ee | 2013-10-23 23:29:16 +0200 | [diff] [blame] | 12 | extern void __udelay(unsigned long usecs); |
| 13 | extern void __udelay_bad(unsigned long usecs); |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | |
| Helge Deller | f6d12ee | 2013-10-23 23:29:16 +0200 | [diff] [blame] | 15 | static inline void udelay(unsigned long usecs) |
| 16 | { |
| 17 | if (__builtin_constant_p(usecs) && (usecs) > 20000) |
| 18 | __udelay_bad(usecs); |
| 19 | __udelay(usecs); |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | } |
| 21 | |
| Helge Deller | f6d12ee | 2013-10-23 23:29:16 +0200 | [diff] [blame] | 22 | #endif /* _ASM_PARISC_DELAY_H */ |