Comment 6 for bug 1929890

v5.15 kernel updates are as following

https://github.com/intel/linux-intel-quilt/tree/lts-v5.15.21-linux-220222T001242Z-1

0001-drivers-ptp-Add-Enhanced-handling-of-reserve-fields.patch
0002-drivers-ptp-Add-PEROUT2-ioctl-frequency-adjustment-i.patch
0003-drivers-ptp-Add-user-space-input-polling-interface.patch
0004-x86-tsc-Add-TSC-support-functions-to-support-ART-dri.patch
0005-drivers-ptp-Add-support-for-PMC-Time-Aware-GPIO-Driv.patch
0006-x86-core-TSC-reliable-kernel-arg-prevents-DQ-of-TSC-.patch
0007-mfd-intel-ehl-gpio-Introduce-MFD-framework-to-PSE-GP.patch
0008-TGPIO-Calling-power-management-calls-without-enterin.patch
0009-TGPIO-Fix-PSE-TGPIO-PTP-driver-ioctls-fail.patch
0010-Kernel-Argument-Bypassing-ART-Detection.patch
0011-GPIO-Fix-for-PSE-GPIO-generating-only-one-event-as-i.patch
0012-Configure-pin-function-before-perout-request.patch --> 87eee9c5589e1e546537a38a72e7ea3f0a7cac60
0013-Added-TGPIO-pin-check-before-input-event-read.patch
0014-Added-an-Example-to-adjust-frequency-for-output.patch
0015-ptp-tgpio-PSE-TGPIO-crosststamp-counttstamp.patch
0016-ptp-Fixed-read-issue-on-PHC-with-zero-n_pins.patch
0017-ptp-S-W-workaround-for-PMC-TGPIO-h-w-bug.patch
0018-ptp-Fix-for-PSE-TGPIO-Oneshot-output-and-counttstamp.patch
0019-ptp-Fix-for-PSE-TGPIO-frequency-Adjustment-issue.patch
0020-tgpio-Fix-compilation-errors-for-PSE-TGPIO.patch
0021-Added-single-shot-output-mode-support-for-TGPIO.patch
0022-Added-an-example-to-poll-for-edges.patch
0023-Added-support-to-get-TGPIO-System-Clock-Offset.patch
0024-Added-single-shot-output-mode-option-for-TGPIO-pin.patch
0025-selftests-ptp-Added-COMPV-GPIO-Input-Mode-for-TGPIO.patch
0026-ptp-Introduce-PTP_PINDESC_INPUTPOLL-for-Intel-PMC-TG.patch
0027-drivers-ptp-Add-COMPV-GPIO-Mode-for-PSE-TGPIO.patch
0001-ptp-Add-PTP_EVENT_COUNTER_MODE-in-v1-valid-flags.patch
0001-tools-testptp-Update-period-for-periodic-output-mode.patch