247 /* Adjust the HW clock by a rate given in parts-per-billion (ppb) units.
252  * The routine translates ppb into the adjustment triplet in an optimal manner.
254 static int qed_ptp_hw_adjfreq(struct qed_dev *cdev, s32 ppb)  in qed_ptp_hw_adjfreq()  argument
262 	if (ppb < 0) {  in qed_ptp_hw_adjfreq()
263 		ppb = -ppb;  in qed_ptp_hw_adjfreq()
267 	if (ppb > 1) {  in qed_ptp_hw_adjfreq()
268 		s64 best_dif = ppb, best_approx_dev = 1;  in qed_ptp_hw_adjfreq()
274 			period = div_s64(val * 1000000000, ppb);  in qed_ptp_hw_adjfreq()
284 			dif = ppb * approx_dev - val * 1000000000;  in qed_ptp_hw_adjfreq()
285 			dif2 = dif + 16 * ppb;  in qed_ptp_hw_adjfreq()
307 	} else if (ppb == 1) {  in qed_ptp_hw_adjfreq()