116 static void us2e_transition(unsigned long estar, unsigned long new_bits,  in us2e_transition()  argument
120 	estar &= ~ESTAR_MODE_DIV_MASK;  in us2e_transition()
125 		write_hbreg(HBIRD_ESTAR_MODE_ADDR, estar | new_bits);  in us2e_transition()
129 		write_hbreg(HBIRD_ESTAR_MODE_ADDR, estar | new_bits);  in us2e_transition()
132 		us2e_transition(estar, ESTAR_MODE_DIV_2, clock_tick,  in us2e_transition()
134 		us2e_transition(estar, new_bits, clock_tick,  in us2e_transition()
137 		us2e_transition(estar, ESTAR_MODE_DIV_2, clock_tick,  in us2e_transition()
139 		us2e_transition(estar, new_bits, clock_tick,  in us2e_transition()
143 		write_hbreg(HBIRD_ESTAR_MODE_ADDR, estar | new_bits);  in us2e_transition()
145 		write_hbreg(HBIRD_ESTAR_MODE_ADDR, estar | new_bits);  in us2e_transition()
198 static unsigned long estar_to_divisor(unsigned long estar)  in estar_to_divisor()  argument
202 	switch (estar & ESTAR_MODE_DIV_MASK) {  in estar_to_divisor()
227 	unsigned long *estar = arg;  in __us2e_freq_get()  local
229 	*estar = read_hbreg(HBIRD_ESTAR_MODE_ADDR);  in __us2e_freq_get()
234 	unsigned long clock_tick, estar;  in us2e_freq_get()  local
237 	if (smp_call_function_single(cpu, __us2e_freq_get, &estar, 1))  in us2e_freq_get()
240 	return clock_tick / estar_to_divisor(estar);  in us2e_freq_get()
248 	unsigned long clock_tick, divisor, old_divisor, estar;  in __us2e_freq_target()  local
255 	estar = read_hbreg(HBIRD_ESTAR_MODE_ADDR);  in __us2e_freq_target()
257 	old_divisor = estar_to_divisor(estar);  in __us2e_freq_target()
260 		us2e_transition(estar, new_bits, clock_tick * 1000,  in __us2e_freq_target()