From: Richard Cochran <richardcochran@gmail.com>
To: Vladimir Oltean <olteanv@gmail.com>
Cc: Martin Kaistra <martin.kaistra@linutronix.de>,
Florian Fainelli <f.fainelli@gmail.com>,
Andrew Lunn <andrew@lunn.ch>,
Vivien Didelot <vivien.didelot@gmail.com>,
Kurt Kanzenbach <kurt@linutronix.de>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
John Stultz <john.stultz@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>,
Stephen Boyd <sboyd@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Marc Kleine-Budde <mkl@pengutronix.de>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH 7/7] net: dsa: b53: Expose PTP timestamping ioctls to userspace
Date: Fri, 5 Nov 2021 17:18:04 -0700 [thread overview]
Message-ID: <20211106001804.GA24062@hoboy.vegasvil.org> (raw)
In-Reply-To: <20211105142833.nv56zd5bqrkyjepd@skbuf>
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
next prev parent reply other threads:[~2021-11-06 0:18 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-04 13:31 [PATCH 0/7] Add PTP support for BCM53128 switch Martin Kaistra
2021-11-04 13:31 ` [PATCH 1/7] net: dsa: b53: Add BroadSync HD register definitions Martin Kaistra
2021-11-06 2:29 ` Florian Fainelli
2021-11-04 13:31 ` [PATCH 2/7] net: dsa: b53: Move struct b53_device to include/linux/dsa/b53.h Martin Kaistra
2021-11-04 13:31 ` [PATCH 3/7] timecounter: allow for non-power of two overflow Martin Kaistra
2021-11-04 13:31 ` [PATCH 4/7] net: dsa: b53: Add PHC clock support Martin Kaistra
2021-11-04 17:28 ` Richard Cochran
2021-11-04 17:49 ` Richard Cochran
2021-11-06 2:32 ` Florian Fainelli
2021-11-08 15:00 ` Martin Kaistra
2021-11-04 13:31 ` [PATCH 5/7] net: dsa: b53: Add logic for RX timestamping Martin Kaistra
2021-11-06 2:36 ` Florian Fainelli
2021-11-04 13:32 ` [PATCH 6/7] net: dsa: b53: Add logic for TX timestamping Martin Kaistra
2021-11-06 2:50 ` Florian Fainelli
2021-11-08 9:57 ` Martin Kaistra
2021-11-04 13:32 ` [PATCH 7/7] net: dsa: b53: Expose PTP timestamping ioctls to userspace Martin Kaistra
2021-11-04 17:42 ` Richard Cochran
2021-11-05 13:38 ` Martin Kaistra
2021-11-05 14:13 ` Richard Cochran
2021-11-05 14:14 ` Richard Cochran
2021-11-05 14:28 ` Vladimir Oltean
2021-11-05 15:09 ` Jakub Kicinski
2021-11-05 17:25 ` Vladimir Oltean
2021-11-06 0:18 ` Richard Cochran [this message]
2021-11-06 0:36 ` Vladimir Oltean
2021-11-07 14:05 ` Richard Cochran
2021-11-07 14:27 ` Vladimir Oltean
2021-11-08 14:48 ` Richard Cochran
2021-11-25 17:05 ` Vladimir Oltean
2021-11-26 8:42 ` Kurt Kanzenbach
2021-11-26 16:31 ` Richard Cochran
2021-11-26 16:42 ` Vladimir Oltean
2021-11-26 17:03 ` Richard Cochran
2021-11-26 17:18 ` Vladimir Oltean
2021-11-04 17:29 ` [PATCH 0/7] Add PTP support for BCM53128 switch Jakub Kicinski
2021-11-05 13:08 ` Martin Kaistra
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