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| author | James Morris <james.l.morris@oracle.com> | 2014-11-19 21:32:12 +1100 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2014-11-19 21:32:12 +1100 |
| commit | b10778a00d40b3d9fdaaf5891e802794781ff71c (patch) | |
| tree | 6ba4cbac86eecedc3f30650e7f764ecf00c83898 /arch/microblaze/include/asm/delay.h | |
| parent | 594081ee7145cc30a3977cb4e218f81213b63dc5 (diff) | |
| parent | bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9 (diff) | |
Merge commit 'v3.17' into next
Diffstat (limited to 'arch/microblaze/include/asm/delay.h')
| -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)) |