Re: [PATCH 6/6] ptp_ocelot: support 4 programmable pins

From: Richard Cochran
Date: Thu Mar 26 2020 - 09:59:48 EST


On Thu, Mar 26, 2020 at 09:34:52AM +0000, Y.b. Lu wrote:
> > Of course, that is horrible, and I am going to find a way to fix it.
>
> Thanks a lot.
> Do you think it is ok to move protection into ptp_set_pinfunc() to protect just pin_config accessing?
> ptp_disable_pinfunc() not touching pin_config could be out of protection.
> But it seems indeed total ptp_set_pinfunc() should be under protection...

Yes, and I have way to fix that. I will post a patch soon...

> I could modify commit messages to indicate the pin supports both PTP_PF_PEROUT and PTP_PF_EXTTS, and PTP_PF_EXTTS support will be added in the future.

Thanks for explaining. Since you do have programmable pin, please
wait for my patch to fix the deadlock.

Thanks,
Richard