Re: [PATCH 7/7] net: dsa: b53: Expose PTP timestamping ioctls to userspace

[Richard Cochran]

On Fri, Nov 05, 2021 at 04:28:33PM +0200, Vladimir Oltean wrote:
> What is the expected convention exactly? There are other drivers that
> downgrade the user application's request to what they support, and at
> least ptp4l does not error out, it just prints a warning.

Drivers may upgrade, but they may not downgrade.

Which drivers downgrade?  We need to fix those buggy drivers.

Thanks,
Richard