include/asm-frv/delay.h: bogus ndelay() definition?

[Denis Vlasenko <vda@ilport.com.ua>]

include/asm-frv/delay.h:

static inline void udelay(unsigned long usecs)
 {
        __delay(usecs * __delay_loops_MHz);
 }

#define ndelay(n)      udelay((n) * 5)

This is anything but correct nanosecond delay.
Does anybody know what's going on here?!
--
vda

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