1 // SPDX-License-Identifier: GPL-2.0-only
58 		delta_us = timespec_to_us(&ts2) - timespec_to_us(&ts1);  in measure_clock()
59 	} while (delta_us > MEASURE_CLOCK_DELTA_THRESHOLD_US && --tries);  in measure_clock()
63 		return -ETIMEDOUT;  in measure_clock()
74 			return -EIO;  in measure_clock()
77 		delta_us = timespec_to_us(&ts4) - timespec_to_us(&ts3);  in measure_clock()
78 	} while (delta_us > MEASURE_CLOCK_DELTA_THRESHOLD_US && --tries);  in measure_clock()
82 		return -ETIMEDOUT;  in measure_clock()
85 	delta_us = timespec_to_us(&ts3) - timespec_to_us(&ts1);  in measure_clock()
87 		return -EINVAL;  in measure_clock()
89 	temp = (timestamp2 - timestamp1) * ME_CLK_DIVIDER * 10;  in measure_clock()
93 	 * and avoid promoting r-value to 64-bit before division.  in measure_clock()
101  * adf_dev_measure_clock() - measures device clock frequency
105  * @max: Maximal allowed frequency value
107  * If the measurement result will go beyond the min/max thresholds the value
114  * * 0 - measurement succeed
115  * * -ETIMEDOUT - measurement failed
118 			  u32 *frequency, u32 min, u32 max)  in adf_dev_measure_clock()  argument
121 	u32 freq;  in adf_dev_measure_clock()  local
123 	ret = measure_clock(accel_dev, &freq);  in adf_dev_measure_clock()
127 	*frequency = clamp(freq, min, max);  in adf_dev_measure_clock()
129 	if (*frequency != freq)  in adf_dev_measure_clock()
132 			 freq, *frequency);  in adf_dev_measure_clock()