20 	ulong ticks;  in usec2ticks()  local
23 		ticks = ((usec * (get_tbclk()/1000)) + 500) / 1000;  in usec2ticks()
25 		ticks = ((usec / 10) * (get_tbclk() / 100000));  in usec2ticks()
28 	return (ticks);  in usec2ticks()
35  * microseconds to wait) into a number of time base ticks; then we
40 	ulong ticks = usec2ticks (usec);  in __udelay()  local
41 	wait_ticks (ticks);  in __udelay()
46 unsigned long ticks2usec(unsigned long ticks)  in ticks2usec()  argument
50 	/* usec = ticks * 1000000 / tbclk  in ticks2usec()
51 	 * Multiplication would overflow at ~4.2e3 ticks,  in ticks2usec()
53 	 * usec = ( ( ticks * 1000) / tbclk ) * 1000;  in ticks2usec()
55 	ticks *= 1000L;  in ticks2usec()
56 	ticks /= tbclk;  in ticks2usec()
57 	ticks *= 1000L;  in ticks2usec()
59 	return ((ulong)ticks);  in ticks2usec()