static unsigned long long __init irtl_2_usec()

in intel_idle.c [1391:1404]

• 11 lines of code
• 2 McCabe index (conditional complexity)

static unsigned long long __init irtl_2_usec(unsigned long long irtl)
{
	static const unsigned int irtl_ns_units[] __initconst = {
		1, 32, 1024, 32768, 1048576, 33554432, 0, 0
	};
	unsigned long long ns;

	if (!irtl)
		return 0;

	ns = irtl_ns_units[(irtl >> 10) & 0x7];

	return div_u64((irtl & 0x3FF) * ns, NSEC_PER_USEC);
}