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    SubjectRe: [PATCH AUTOSEL 5.19 24/33] fec: Restart PPS after link state change
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    On 2022. 08. 30. 19:18, Sasha Levin wrote:
    > From: Csókás Bence <csokas.bence@prolan.hu>
    >
    > [ Upstream commit f79959220fa5fbda939592bf91c7a9ea90419040 ]
    >
    > On link state change, the controller gets reset,
    > causing PPS to drop out and the PHC to lose its
    > time and calibration. So we restart it if needed,
    > restoring calibration and time registers.

    There is an ongoing investigation on netdev@ about a potential kernel
    panic on kernels newer than 5.12 with this patch applied. Please hold
    off on backporting to 5.19 until the bugfix is applied to upstream.

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