From: Vadim Fedorenko <vadim.fedorenko@linux.dev>
To: Tristram.Ha@microchip.com,
Woojung Huh <woojung.huh@microchip.com>,
Andrew Lunn <andrew@lunn.ch>, Vladimir Oltean <olteanv@gmail.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: Maxime Chevallier <maxime.chevallier@bootlin.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Marek Vasut <marex@denx.de>,
UNGLinuxDriver@microchip.com, devicetree@vger.kernel.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v3 7/7] net: dsa: microchip: Disable PTP function of KSZ8463
Date: Wed, 9 Jul 2025 14:33:21 +0100 [thread overview]
Message-ID: <96cdeb5c-dd55-4800-9046-09ebbb818e8b@linux.dev> (raw)
In-Reply-To: <20250709003234.50088-8-Tristram.Ha@microchip.com>
On 09/07/2025 01:32, Tristram.Ha@microchip.com wrote:
> From: Tristram Ha <tristram.ha@microchip.com>
>
> The PTP function of KSZ8463 is on by default. However, its proprietary
> way of storing timestamp directly in a reserved field inside the PTP
> message header is not suitable for use with the current Linux PTP stack
> implementation. It is necessary to disable the PTP function to not
> interfere the normal operation of the MAC.
Could you please explain the "proprietary way of storing timestamps"?
Maybe you can provide some examples of headers with timestamps?
next prev parent reply other threads:[~2025-07-09 13:33 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-09 0:32 [PATCH net-next 0/7 v3] net: dsa: microchip: Add KSZ8463 switch support Tristram.Ha
2025-07-09 0:32 ` [PATCH net-next v3 1/7] dt-bindings: " Tristram.Ha
2025-07-09 0:32 ` [PATCH net-next v3 2/7] net: dsa: microchip: Add KSZ8463 switch support to KSZ DSA driver Tristram.Ha
2025-07-09 0:32 ` [PATCH net-next v3 3/7] net: dsa: microchip: Transform register for use with KSZ8463 Tristram.Ha
2025-07-09 0:32 ` [PATCH net-next v3 4/7] net: dsa: microchip: Use different registers for KSZ8463 Tristram.Ha
2025-07-09 0:32 ` [PATCH net-next v3 5/7] net: dsa: microchip: Write switch MAC address differently " Tristram.Ha
2025-07-09 0:32 ` [PATCH net-next v3 6/7] net: dsa: microchip: Setup fiber ports " Tristram.Ha
2025-07-09 0:32 ` [PATCH net-next v3 7/7] net: dsa: microchip: Disable PTP function of KSZ8463 Tristram.Ha
2025-07-09 7:35 ` Vladimir Oltean
2025-07-09 22:59 ` Tristram.Ha
2025-07-10 1:08 ` Vadim Fedorenko
2025-07-09 13:33 ` Vadim Fedorenko [this message]
2025-07-09 22:54 ` Tristram.Ha
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