Merge branch 'for-next' of git://www.jni.nu/cris into cris_merge
[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / cris / include / arch-v32 / arch / delay.h
1 #ifndef _ASM_CRIS_ARCH_DELAY_H
2 #define _ASM_CRIS_ARCH_DELAY_H
3
4 extern void cris_delay10ns(u32 n10ns);
5 #define udelay(u) cris_delay10ns((u)*100)
6 #define ndelay(n) cris_delay10ns(((n)+9)/10)
7
8 /*
9  * Not used anymore for udelay or ndelay.  Referenced by
10  * e.g. init/calibrate.c.  All other references are likely bugs;
11  * should be replaced by mdelay, udelay or ndelay.
12  */
13
14 static inline void
15 __delay(int loops)
16 {
17         __asm__ __volatile__ (
18                 "move.d %0, $r9\n\t"
19                 "beq 2f\n\t"
20                 "subq 1, $r9\n\t"
21                 "1:\n\t"
22                 "bne 1b\n\t"
23                 "subq 1, $r9\n"
24                 "2:"
25                 : : "g" (loops) : "r9");
26 }
27
28 #endif /* _ASM_CRIS_ARCH_DELAY_H */