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Message-ID: <YdOMlfbMH9b553V/@shell.armlinux.org.uk> Date: Mon, 3 Jan 2022 23:53:57 +0000 From: "Russell King (Oracle)" <linux@...linux.org.uk> To: Richard Cochran <richardcochran@...il.com> Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Andrew Lunn <andrew@...n.ch>, David Miller <davem@...emloft.net>, Grygorii Strashko <grygorii.strashko@...com>, Jakub Kicinski <kuba@...nel.org>, Joakim Zhang <qiangqing.zhang@....com>, Kurt Kanzenbach <kurt@...utronix.de>, Miroslav Lichvar <mlichvar@...hat.com>, Vladimir Oltean <vladimir.oltean@....com> Subject: Re: [PATCH RFC V1 net-next 3/4] net: Let the active time stamping layer be selectable. On Mon, Jan 03, 2022 at 03:25:54PM -0800, Richard Cochran wrote: > Make the sysfs knob writable, and add checks in the ioctl and time > stamping paths to respect the currently selected time stamping layer. > > Signed-off-by: Richard Cochran <richardcochran@...il.com> As I stated for patch 2, this patch will break mvpp2 PTP support, since as soon as we bind a PHY, whether or not it supports PTP, you will switch "selected_timestamping_layer" to be PHY mode PTP, and direct all PTP calls to the PHY layer whether or not the PHY has PTP support, away from the MAC layer. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
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