Add ndelay() compatibility macro. If the architecture

doesn't define ndelay(), fall back on udelay().

Add ndelay() compatibility macro. If the architecture
doesn't define ndelay(), fall back on udelay().
c6145e49 · Linus Torvalds · Linus Torvalds · db8b50ba · c6145e49
Commit c6145e49 authored Feb 17, 2003 by Linus Torvalds Committed by Linus Torvalds Feb 17, 2003
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include/linux/delay.h include/linux/delay.h +4 -0

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--- a/include/linux/delay.h
+++ b/include/linux/delay.h
@@ -34,4 +34,8 @@ extern unsigned long loops_per_jiffy;
 	({unsigned long msec=(n); while (msec--) udelay(1000);}))
 #endif
+#ifndef ndelay
+#define ndelay(x)	udelay(((x)+999)/1000)
+#endif
 #endif /* defined(_LINUX_DELAY_H) */