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SubjectRe: [PATCH AUTOSEL 5.15 17/23] fec: Restart PPS after link state change
On Wed, Aug 31, 2022 at 03:03:40PM +0200, Csókás Bence wrote:
>
>On 2022. 08. 30. 19:21, 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 5.15 until the bugfix is applied to upstream.

Will do, thanks!

--
Thanks,
Sasha

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