netdev - Re: [PATCH] net: sfp: add quirk for Potron SFP+ XGSPON ONU Stick

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Message-ID: <aEIceGDOnLsEeoo_@shell.armlinux.org.uk>
Date: Thu, 5 Jun 2025 23:38:48 +0100
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Chris Morgan <macroalpha82@...il.com>
Cc: netdev@...r.kernel.org, andrew@...n.ch, hkallweit1@...il.com,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, Chris Morgan <macromorgan@...mail.com>
Subject: Re: [PATCH] net: sfp: add quirk for Potron SFP+ XGSPON ONU Stick

On Thu, Jun 05, 2025 at 05:17:30PM -0500, Chris Morgan wrote:
> +static void sfp_fixup_potron(struct sfp *sfp)
> +{
> +	/*
> +	 * The TX_FAULT and LOS pins on this device are used for serial
> +	 * communication, so ignore them. Additionally, provide extra
> +	 * time for this device to fully start up.
> +	 */
> +
> +	sfp_fixup_long_startup(sfp);
> +	sfp->state_hw_mask &= ~(SFP_F_TX_FAULT | SFP_F_LOS);

This should be calling sfp_fixup_ignore_tx_fault(), and possibly
sfp_fixup_ignore_los() as well if the module also reports incorrect
soft LOS state or doesn't support soft LOS state reporting.

-- 
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