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Message-ID: <8de1d4e3-6d80-45a5-a638-48451d9b5c15@lunn.ch>
Date: Thu, 7 Mar 2024 00:04:50 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Catalin Popescu <catalin.popescu@...ca-geosystems.com>
Cc: hkallweit1@...il.com, linux@...linux.org.uk, davem@...emloft.net,
edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
bsp-development.geo@...ca-geosystems.com, m.felsch@...gutronix.de
Subject: Re: [PATCH net-next] net: phy: dp8382x: keep WOL setting across
suspends
On Wed, Mar 06, 2024 at 06:14:46PM +0100, Catalin Popescu wrote:
> Unlike other ethernet PHYs from TI, PHY dp83822x has WOL enabled
> at reset.
This is rather odd behaviour. Is this stated in the datasheet?
> @@ -572,11 +584,17 @@ static int dp83826_config_init(struct phy_device *phydev)
> return ret;
> }
>
> + if (dp83822->wol_enabled)
> + return 0;
> return dp8382x_disable_wol(phydev);
> }
>
> static int dp8382x_config_init(struct phy_device *phydev)
> {
> + struct dp83822_private *dp83822 = phydev->priv;
> +
> + if (dp83822->wol_enabled)
> + return 0;
> return dp8382x_disable_wol(phydev);
Since it is rather odd behaviour, there might be some BIOSes which
disable WoL. So i would not rely on it being enabled by
default. Explicitly enable it.
Andrew
---
pw-bot: cr
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