52 #define __wait_for(OP, COND, US, Wmin, Wmax) ({ \  argument
53 	const ktime_t end__ = ktime_add_ns(ktime_get_raw(), 1000ll * (US)); \
77 #define _wait_for(COND, US, Wmin, Wmax)	__wait_for(, (COND), (US), (Wmin), \  argument
88 #define _wait_for_atomic(COND, US, ATOMIC) \  argument
90 	int cpu, ret, timeout = (US) * 1000; \
125 #define wait_for_us(COND, US) \  argument
128 	BUILD_BUG_ON(!__builtin_constant_p(US)); \
129 	if ((US) > 10) \
130 		ret__ = _wait_for((COND), (US), 10, 10); \
132 		ret__ = _wait_for_atomic((COND), (US), 0); \
136 #define wait_for_atomic_us(COND, US) \  argument
138 	BUILD_BUG_ON(!__builtin_constant_p(US)); \
139 	BUILD_BUG_ON((US) > 50000); \
140 	_wait_for_atomic((COND), (US), 1); \