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From: Andrew Lunn <andrew@lunn.ch>
To: "Marek Behún" <marek.behun@nic.cz>
Cc: "Pavel Machek" <pavel@ucw.cz>,
	netdev@vger.kernel.org, linux-leds@vger.kernel.org,
	"Dan Murphy" <dmurphy@ti.com>,
	"Ondřej Jirman" <megous@megous.com>,
	"Russell King" <linux@armlinux.org.uk>,
	linux-kernel@vger.kernel.org,
	"Matthias Schiffer" <matthias.schiffer@ew.tq-group.com>,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH net-next + leds v2 6/7] net: phy: marvell: add support for LEDs controlled by Marvell PHYs
Date: Thu, 10 Sep 2020 16:46:53 +0200	[thread overview]
Message-ID: <20200910144653.GA3354160@lunn.ch> (raw)
In-Reply-To: <20200910161522.3cf3ad63@dellmb.labs.office.nic.cz>

> Moreover I propose (and am willing to do) this:
>   Rewrite phy_led_trigger so that it registers one trigger, `phydev`.
>   The identifier of the PHY which should be source of the trigger can be
>   set via a separate sysfs file, `device_name`, like in netdev trigger.
>   The linked speed on which the trigger should light the LED will be
>   selected via sysfs file `mode` (or do you propose another name?
>   `trigger_on` or something?)
> 
>   Example:
>     # cd /sys/class/leds/<LED>
>     # echo phydev >trigger
>     # echo XYZ >device_name
>     # cat mode
>     1Gbps 100Mbps 10Mbps
>     # echo 1Gbps >mode
>     # cat mode
>     [1Gbps] 100Mbps 10Mbps
> 
>   Also the code should be moved from driver/net/phy to
>   drivers/leds/trigger.
> 
>   The old API can be declared deprecated or removed, but outright
>   removal may cause some people to complain.

This is ABI, so you cannot remove it, or change it. You can however
add to it, in a backwards compatible way.

    Andrew

  reply	other threads:[~2020-09-10 21:00 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-09 16:25 [PATCH net-next + leds v2 0/7] PLEASE REVIEW: Add support for LEDs on Marvell PHYs Marek Behún
2020-09-09 16:25 ` [PATCH net-next + leds v2 1/7] dt-bindings: leds: document binding for HW controlled LEDs Marek Behún
2020-09-09 18:27   ` Andrew Lunn
2020-09-09 18:33     ` Marek Behún
2020-09-09 20:59       ` Rob Herring
2020-09-09 21:07         ` Marek Behun
2020-09-09 21:31           ` Rob Herring
2020-09-09 21:43             ` Marek Behun
2020-09-09 20:56   ` Rob Herring
2020-09-09 21:15   ` Rob Herring
2020-09-09 21:58     ` Marek Behun
2020-09-09 16:25 ` [PATCH net-next + leds v2 2/7] leds: add generic API for LEDs that can be controlled by hardware Marek Behún
2020-09-09 18:20   ` Randy Dunlap
2020-09-09 18:31     ` Marek Behún
2020-09-09 18:43       ` Randy Dunlap
2020-09-09 20:48   ` Pavel Machek
2020-09-09 21:20     ` Marek Behun
2020-09-09 21:40       ` Pavel Machek
2020-09-09 22:15         ` Marek Behun
2020-09-09 22:20           ` Pavel Machek
2020-09-09 16:25 ` [PATCH net-next + leds v2 3/7] net: phy: add simple incrementing phyindex member to phy_device struct Marek Behún
2020-09-10 12:20   ` Pavel Machek
2020-09-09 16:25 ` [PATCH net-next + leds v2 4/7] dt-bindings: net: ethernet-phy: add description for PHY LEDs Marek Behún
2020-09-09 16:25 ` [PATCH net-next + leds v2 5/7] net: phy: add support for LEDs controlled by ethernet PHY chips Marek Behún
2020-09-10 12:22   ` Pavel Machek
2020-09-09 16:25 ` [PATCH net-next + leds v2 6/7] net: phy: marvell: add support for LEDs controlled by Marvell PHYs Marek Behún
2020-09-10 12:23   ` Pavel Machek
2020-09-10 13:15     ` Andrew Lunn
2020-09-10 14:15       ` Marek Behún
2020-09-10 14:46         ` Andrew Lunn [this message]
2020-09-10 15:00         ` Andrew Lunn
2020-09-11  7:12           ` Matthias Schiffer
2020-09-11 12:42             ` Andrew Lunn
2020-09-11 12:52             ` Marek Behún
2020-09-10 20:23         ` Pavel Machek
2020-09-10 20:31           ` Andrew Lunn
2020-09-10 20:39             ` Pavel Machek
2020-09-10 20:41           ` Marek Behun
2020-09-10 18:24       ` Pavel Machek
2020-09-10 18:31         ` Andrew Lunn
2020-09-10 18:34           ` Russell King - ARM Linux admin
2020-09-10 20:31             ` Marek Behun
2020-09-10 21:44               ` Russell King - ARM Linux admin
2020-09-11 12:53                 ` Marek Behún
2020-09-09 16:25 ` [PATCH net-next + mvebu v2 7/7] arm64: dts: armada-3720-turris-mox: add nodes for ethernet PHY LEDs Marek Behún
2020-09-10 12:25   ` Pavel Machek
2020-09-09 21:42 ` [PATCH net-next + leds v2 0/7] PLEASE REVIEW: Add support for LEDs on Marvell PHYs Andrew Lunn
2020-09-09 22:11   ` Marek Behun
2020-09-09 22:39     ` Andrew Lunn

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