Hello Greg,
On 13.09.2022 16:03:49, Greg Kroah-Hartman wrote:
> From: Csókás Bence <csokas.bence@xxxxxxxxx>
>
> [ Upstream commit b353b241f1eb9b6265358ffbe2632fdcb563354f ]
>
> Mutexes cannot be taken in a non-preemptible context,
> causing a panic in `fec_ptp_save_state()`. Replacing
> `ptp_clk_mutex` by `tmreg_lock` fixes this.
>
> Fixes: 6a4d7234ae9a ("net: fec: ptp: avoid register access when ipg clock is disabled")
> Fixes: f79959220fa5 ("fec: Restart PPS after link state change")
> Reported-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
> Link: https://lore.kernel.org/all/20220827160922.642zlcd5foopozru@xxxxxxxxxxxxxx/
> Signed-off-by: Csókás Bence <csokas.bence@xxxxxxxxx>
> Tested-by: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx> # Toradex Apalis iMX6
> Link: https://lore.kernel.org/r/20220901140402.64804-1-csokas.bence@xxxxxxxxx
> Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
there's a revert pending for this patch:
| https://lore.kernel.org/all/20220912070143.98153-1-francesco.dolcini@xxxxxxxxxxx
...as it causes troubles in 6.0-rc4:
| https://lore.kernel.org/all/20220907143915.5w65kainpykfobte@xxxxxxxxxxxxxx/
| https://lore.kernel.org/all/CAHk-=wj1obPoTu1AHj9Bd_BGYjdjDyPP+vT5WMj8eheb3A9WHw@xxxxxxxxxxxxxx/
please drop this patch.
regards,
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Embedded Linux | https://www.pengutronix.de |
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