mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Andrew Lunn <andrew@lunn.ch>
To: Christian Marangi <ansuelsmth@gmail.com>
Cc: Heiner Kallweit <hkallweit1@gmail.com>,
	Russell King <linux@armlinux.org.uk>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	Daniel Golle <daniel@makrotopia.org>,
	stable@vger.kernel.org
Subject: Re: [net PATCH 2/2] net: phy: Skip PHY LEDs OF registration for Generic PHY driver
Date: Fri, 4 Oct 2024 00:50:39 +0200	[thread overview]
Message-ID: <2dcd127d-ab41-4bf7-aea4-91f175443e62@lunn.ch> (raw)
In-Reply-To: <20241003221006.4568-2-ansuelsmth@gmail.com>

On Fri, Oct 04, 2024 at 12:10:05AM +0200, Christian Marangi wrote:
> It might happen that a PHY driver fails to probe or is not present in
> the system as it's a kmod. In such case the Device Tree might have LED
> entry but the Generic PHY is probed instead.
> 
> In this scenario, PHY LEDs OF registration should be skipped as
> controlling the PHY LEDs is not possible.
> 
> Tested-by: Daniel Golle <daniel@makrotopia.org>
> Cc: stable@vger.kernel.org
> Fixes: 01e5b728e9e4 ("net: phy: Add a binding for PHY LEDs")
> Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
> ---
>  drivers/net/phy/phy_device.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
> index 499797646580..af088bf00bae 100644
> --- a/drivers/net/phy/phy_device.c
> +++ b/drivers/net/phy/phy_device.c
> @@ -3411,6 +3411,11 @@ static int of_phy_leds(struct phy_device *phydev)
>  	struct device_node *leds;
>  	int err;
>  
> +	/* Skip LED registration if we are Generic PHY */
> +	if (phy_driver_is_genphy(phydev) ||
> +	    phy_driver_is_genphy_10g(phydev))
> +		return 0;

Why fix it link this, when what you propose for net-next, that the drv
ops must also exist, would fix it.

I don't see any need to special case genphy.

	Andrew

  reply	other threads:[~2024-10-03 22:50 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-03 22:10 [net PATCH 1/2] net: phy: Remove LED entry from LEDs list on unregister Christian Marangi
2024-10-03 22:10 ` [net PATCH 2/2] net: phy: Skip PHY LEDs OF registration for Generic PHY driver Christian Marangi
2024-10-03 22:50   ` Andrew Lunn [this message]
2024-10-04  9:13     ` Christian Marangi
2024-10-04 13:44       ` Andrew Lunn
2024-10-04 13:46         ` Christian Marangi
2024-10-04 14:11           ` Andrew Lunn
2024-10-04 14:12             ` Christian Marangi
2024-10-03 22:45 ` [net PATCH 1/2] net: phy: Remove LED entry from LEDs list on unregister Andrew Lunn

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=2dcd127d-ab41-4bf7-aea4-91f175443e62@lunn.ch \
    --to=andrew@lunn.ch \
    --cc=ansuelsmth@gmail.com \
    --cc=daniel@makrotopia.org \
    --cc=davem@davemloft.net \
    --cc=edumazet@google.com \
    --cc=f.fainelli@gmail.com \
    --cc=hkallweit1@gmail.com \
    --cc=kuba@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@armlinux.org.uk \
    --cc=netdev@vger.kernel.org \
    --cc=pabeni@redhat.com \
    --cc=stable@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®