| /linux/drivers/net/ethernet/qlogic/qed/ |
| H A D | qed_ptp.c | 16 /* 16 nano second time quantas to wait before making a Drift adjustment */
18 /* Nano seconds to add/subtract when making a Drift adjustment */
20 /* Add/subtract the Adjustment_Value when making a Drift adjustment */
249 * Drift period - adjustment happens once in certain number of nano seconds.
250 * Drift value - time is adjusted by a certain value, for example by 5 ns.
251 * Drift direction - add or subtract the adjustment value.
330 DP_INFO(p_hwfn, "Drift counter is not reset\n"); in qed_ptp_hw_adjfreq()
389 /* Disable drift register */ in qed_ptp_hw_enable()
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| /linux/arch/mips/kvm/ |
| H A D | emulate.c | 524 * @before: Time before Count was saved, lower bound of drift calculation.
526 * @min_drift: Minimum amount of drift permitted before correction.
529 * Restores the timer from a particular @count, accounting for drift. This can
541 * Returns: Amount of correction to count_bias due to drift.
549 int drift, ret = 0; in kvm_mips_restore_hrtimer() local
556 * Detect significantly negative drift, where count is lower than in kvm_mips_restore_hrtimer()
557 * expected. Some negative drift is expected when hardware counter is in kvm_mips_restore_hrtimer()
559 * time to jump forwards a little, within reason. If the drift is too in kvm_mips_restore_hrtimer()
562 drift = count - before_count; in kvm_mips_restore_hrtimer()
563 if (drift < min_drift) { in kvm_mips_restore_hrtimer()
[all …]
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| /linux/include/linux/sched/ |
| H A D | clock.h | 10 * sched_clock() has no promise of monotonicity or bounded drift between
83 * time source that is monotonic per cpu argument and has bounded drift
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-devices-platform-trackpoint | 109 drift (noise) calibration occurs.
111 IBM Trackpoints have a feature to compensate for drift by
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| H A D | sysfs-bus-iio-adc-mcp3564 | 34 so the residual offset error temperature drift is extremely low.
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| H A D | sysfs-class-thermal | 132 for long term drift. For more information see
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| /linux/drivers/input/mouse/ |
| H A D | trackpoint.h | 80 /* must last (x*107ms) for drift */
92 #define TP_TOGGLE_DRIFT 0x23 /* Drift Correction */
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| /linux/arch/arm64/include/asm/ |
| H A D | linkage.h | 16 * likely to notice any drift from the overridden definitions.
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| /linux/arch/arm/kernel/ |
| H A D | time.c | 40 /* change this if you have some constant time drift */
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| /linux/Documentation/devicetree/bindings/clock/ti/ |
| H A D | dra7-atl.txt | 7 signals - can compensate the drift between the two ws signal.
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| /linux/drivers/net/wireless/intel/iwlwifi/mvm/ |
| H A D | mac-ctxt.c | 71 * clock drift causing overlapping TBTTs/DTIMs for a GO and in iwl_mvm_mac_tsf_id_iter()
88 * should be used to avoid drift between the new client and in iwl_mvm_mac_tsf_id_iter()
89 * existing AP. The existing AP will get drift updates from the in iwl_mvm_mac_tsf_id_iter()
114 * interface, it should get drift updates from an existing in iwl_mvm_mac_tsf_id_iter()
116 * drift between TSFs internally but if they used different in iwl_mvm_mac_tsf_id_iter()
118 * cause drift that way. in iwl_mvm_mac_tsf_id_iter()
141 * take drift into account. Either they're exclusive in iwl_mvm_mac_tsf_id_iter()
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| /linux/drivers/net/dsa/hirschmann/ |
| H A D | hellcreek_ptp.c | 167 /* Set drift register */ in hellcreek_ptp_adjfine()
446 /* Enable the drift correction process */ in hellcreek_ptp_setup()
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| /linux/drivers/usb/gadget/function/ |
| H A D | u_audio.h | 57 int fb_max; /* upper frequency drift feedback limit per-mil */
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| /linux/sound/core/ |
| H A D | hrtimer.c | 46 /* calculate the drift */ in snd_hrtimer_callback()
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| /linux/drivers/net/wireless/ti/wl12xx/ |
| H A D | acx.h | 179 * of drift
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| /linux/kernel/time/ |
| H A D | Kconfig | 208 interval and NTP's maximum frequency drift of 500 parts
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| /linux/drivers/rtc/ |
| H A D | class.c | 124 * To avoid drift caused by repeated suspend/resumes, in rtc_suspend()
125 * which each can add ~1 second drift error, in rtc_suspend()
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| /linux/Documentation/trace/rv/ |
| H A D | monitor_rtapp.rst | 56 (to avoid time drift) and `CLOCK_MONOTONIC` (to avoid the clock being
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| /linux/arch/x86/xen/ |
| H A D | time.c | 143 * Move the next drift compensation time 11 minutes in xen_pvclock_gtod_notify()
200 hypervisor and kernel times can drift even if the kernel is using
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| /linux/Documentation/core-api/ |
| H A D | timekeeping.rst | 56 clocksource without (NTP) adjustments for clock drift. This is
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| /linux/include/media/ |
| H A D | dvb_frontend.h | 65 * @max_drift: maximum drift
216 * drift due to AFC.
291 * drift due to AFC.
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| /linux/include/xen/interface/ |
| H A D | vcpu.h | 73 * guaranteed not to drift from system time.
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| /linux/drivers/media/usb/ttusb-dec/ |
| H A D | ttusbdecfe.c | 97 /* Drift compensation makes no sense for DVB-T */ in ttusbdecfe_dvbt_get_tune_settings()
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| /linux/Documentation/input/devices/ |
| H A D | ntrig.rst | 119 The calibration of these devices does drift over time. If ghosts or contact
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| /linux/drivers/gpu/drm/vc4/ |
| H A D | vc4_hdmi.c | 1360 u32 drift; in vc4_hdmi_recenter_fifo() local
1369 drift = HDMI_READ(HDMI_FIFO_CTL); in vc4_hdmi_recenter_fifo()
1370 drift &= VC4_HDMI_FIFO_VALID_WRITE_MASK; in vc4_hdmi_recenter_fifo()
1373 drift & ~VC4_HDMI_FIFO_CTL_RECENTER); in vc4_hdmi_recenter_fifo()
1375 drift | VC4_HDMI_FIFO_CTL_RECENTER); in vc4_hdmi_recenter_fifo()
1384 drift & ~VC4_HDMI_FIFO_CTL_RECENTER); in vc4_hdmi_recenter_fifo()
1386 drift | VC4_HDMI_FIFO_CTL_RECENTER); in vc4_hdmi_recenter_fifo()
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