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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-07 09:02:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-07 09:02:26 -0700 |
| commit | 7f0d32e0c1a7a23216a0f2694ec841f60e9dddfd (patch) | |
| tree | 4315f3b01fdb31c165911bf44271ee48110c1006 /arch/microblaze/include/asm | |
| parent | 8b076738593244000c003111e67dba49bbbafab0 (diff) | |
| parent | ef264cf0c490cc9d46edb3b6aa082d23a9506e2d (diff) | |
Merge tag 'microblaze-3.17-rc1' of git://git.monstr.eu/linux-2.6-microblaze
Pull microblaze updates from Michal Simek:
- add new syscall and fix comment
- fix udelay implementation
- fix libgcc for modules
* tag 'microblaze-3.17-rc1' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Change libgcc-style functions from lib-y to obj-y
microblaze: Wire-up renameat2 syscall
microblaze: Add syscall number comment
microblaze: delay.h fix udelay and ndelay for 8 bit args
Diffstat (limited to 'arch/microblaze/include/asm')
| -rw-r--r-- | arch/microblaze/include/asm/delay.h | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/arch/microblaze/include/asm/delay.h b/arch/microblaze/include/asm/delay.h index 66fc24c24238..60cb39deb533 100644 --- a/arch/microblaze/include/asm/delay.h +++ b/arch/microblaze/include/asm/delay.h @@ -61,13 +61,29 @@ extern inline void __udelay(unsigned int x) extern void __bad_udelay(void); /* deliberately undefined */ extern void __bad_ndelay(void); /* deliberately undefined */ -#define udelay(n) (__builtin_constant_p(n) ? \ - ((n) > __MAX_UDELAY ? __bad_udelay() : __udelay((n) * (19 * HZ))) : \ - __udelay((n) * (19 * HZ))) +#define udelay(n) \ + ({ \ + if (__builtin_constant_p(n)) { \ + if ((n) / __MAX_UDELAY >= 1) \ + __bad_udelay(); \ + else \ + __udelay((n) * (19 * HZ)); \ + } else { \ + __udelay((n) * (19 * HZ)); \ + } \ + }) -#define ndelay(n) (__builtin_constant_p(n) ? \ - ((n) > __MAX_NDELAY ? __bad_ndelay() : __udelay((n) * HZ)) : \ - __udelay((n) * HZ)) +#define ndelay(n) \ + ({ \ + if (__builtin_constant_p(n)) { \ + if ((n) / __MAX_NDELAY >= 1) \ + __bad_ndelay(); \ + else \ + __udelay((n) * HZ); \ + } else { \ + __udelay((n) * HZ); \ + } \ + }) #define muldiv(a, b, c) (((a)*(b))/(c)) |