linux-kernel - Re: [PATCH net-next] net: phy: intel-xway: add support for PHY LEDs

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Message-ID: <bc9e4e95-8896-4087-8649-0d8ec6e2cb69@lunn.ch>
Date: Wed, 9 Oct 2024 14:16:29 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Daniel Golle <daniel@...rotopia.org>
Cc: Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: phy: intel-xway: add support for PHY LEDs

> +static int xway_gphy_led_polarity_set(struct phy_device *phydev, int index,
> +				      unsigned long modes)
> +{
> +	bool active_low = false;
> +	u32 mode;
> +
> +	if (index >= XWAY_GPHY_MAX_LEDS)
> +		return -EINVAL;
> +
> +	for_each_set_bit(mode, &modes, __PHY_LED_MODES_NUM) {
> +		switch (mode) {
> +		case PHY_LED_ACTIVE_LOW:
> +			active_low = true;
> +			break;
> +		case PHY_LED_ACTIVE_HIGH:
> +			break;
> +		default:
> +			return -EINVAL;
> +		}
> +	}
> +
> +	return phy_modify(phydev, XWAY_MDIO_LED, XWAY_GPHY_LED_INV(index),
> +			  active_low ? XWAY_GPHY_LED_INV(index) : 0);

This does not appear to implement the 'leave it alone' option.

	Andrew