summaryrefslogtreecommitdiff
path: root/include/asm-mips/delay.h
diff options
context:
space:
mode:
authorSteve French <sfrench@us.ibm.com>2005-11-09 14:33:22 -0800
committerSteve French <sfrench@us.ibm.com>2005-11-09 14:33:22 -0800
commite82b3aec8d508d2a925a4c766e97f16b7c4dfb1b (patch)
tree69d5685ef0c194f651a03e30bff14628b4d45400 /include/asm-mips/delay.h
parentec58ef03284f0bfa50a04982b74c8c2325a0758e (diff)
parentad8f76be48d817b48222411ae16a7dfe257bdb24 (diff)
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'include/asm-mips/delay.h')
-rw-r--r--include/asm-mips/delay.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-mips/delay.h b/include/asm-mips/delay.h
index 85435a8d4e52..48d00cccdafa 100644
--- a/include/asm-mips/delay.h
+++ b/include/asm-mips/delay.h
@@ -84,4 +84,13 @@ static inline void __udelay(unsigned long usecs, unsigned long lpj)
#define udelay(usecs) __udelay((usecs),__udelay_val)
+/* make sure "usecs *= ..." in udelay do not overflow. */
+#if HZ >= 1000
+#define MAX_UDELAY_MS 1
+#elif HZ <= 200
+#define MAX_UDELAY_MS 5
+#else
+#define MAX_UDELAY_MS (1000 / HZ)
+#endif
+
#endif /* _ASM_DELAY_H */