netdev - Re: [PATCH net] net: phy: fix phy_start to consider PHY_IGNORE

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Message-ID: <d854cffd-b5ee-6e0f-3562-b4f1998388ee@gmail.com>
Date:   Wed, 7 Feb 2018 11:06:34 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Heiner Kallweit <hkallweit1@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        David Miller <davem@...emloft.net>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net] net: phy: fix phy_start to consider
 PHY_IGNORE_INTERRUPT



On 02/07/2018 10:44 AM, Heiner Kallweit wrote:
> This condition wasn't adjusted when PHY_IGNORE_INTERRUPT (-2) was added
> long ago. In case of PHY_IGNORE_INTERRUPT the MAC interrupt indicates
> also PHY state changes and we should do what the symbol says.

Do you use phy_enable_interrupts() to configure how the PHY interrupts
will be flowing through the Ethernet MAC?

> 
> Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
> ---
>  drivers/net/phy/phy.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
> index f3313a129..50ed35a45 100644
> --- a/drivers/net/phy/phy.c
> +++ b/drivers/net/phy/phy.c
> @@ -822,7 +822,7 @@ void phy_start(struct phy_device *phydev)
>  		phy_resume(phydev);
>  
>  		/* make sure interrupts are re-enabled for the PHY */
> -		if (phydev->irq != PHY_POLL) {
> +		if (phydev->irq > 0) {
>  			err = phy_enable_interrupts(phydev);
>  			if (err < 0)
>  				break;
> 

-- 
Florian