Re: [PATCH net] net: fec: don't save PTP state if PTP is unsupported

[Guenter Roeck]

On 10/7/24 23:11, Wei Fang wrote:
> Some platforms (such as i.MX25 and i.MX27) do not support PTP, so on
> these platforms fec_ptp_init() is not called and the related members
> in fep are not initialized. However, fec_ptp_save_state() is called
> unconditionally, which causes the kernel to panic. Therefore, add a
> condition so that fec_ptp_save_state() is not called if PTP is not
> supported.
>
> Fixes: a1477dc87dc4 ("net: fec: Restart PPS after link state change")
> Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> Closes: https://lore.kernel.org/lkml/353e41fe-6bb4-4ee9-9980-2da2a9c1c508@xxxxxxxxxxxx/
> Signed-off-by: Wei Fang <wei.fang@xxxxxxx>

Tested-by: Guenter Roeck <linux@xxxxxxxxxxxx>