Re: [PATCH net-next] net: phy: phy_support_sym_pause: Clear Asym Pause

[LABBE Corentin]

On Sat, Oct 20, 2018 at 10:41:28PM +0200, Andrew Lunn wrote:
> When indicating the MAC supports Symmetric Pause, clear the Asymmetric
> Pause bit, which could of been already set is the PHY supports it.
> 
> Reported-by: Labbe Corentin <cla...@baylibre.com>
> Fixes: c306ad36184f ("net: ethernet: Add helper for MACs which support pause")
> Signed-off-by: Andrew Lunn <and...@lunn.ch>
> ---
>  drivers/net/phy/phy_device.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
> index 43cb08dcce81..ab33d1777132 100644
> --- a/drivers/net/phy/phy_device.c
> +++ b/drivers/net/phy/phy_device.c
> @@ -1940,6 +1940,7 @@ EXPORT_SYMBOL(phy_remove_link_mode);
>   */
>  void phy_support_sym_pause(struct phy_device *phydev)
>  {
> +     phydev->supported &= ~SUPPORTED_Asym_Pause;
>       phydev->supported |= SUPPORTED_Pause;
>       phydev->advertising = phydev->supported;
>  }
> -- 
> 2.19.0
> 

Thanks, it made my imx6q-sabrelite works again with next-20181019.
Tested-by: Corentin Labbe <cla...@baylibre.com>

For completeness, this is the ethtool output which confirm it.
ethtool version 4.16
Settings for eth0:
        Supported ports: [ TP MII ]
        Supported link modes:   10baseT/Half 10baseT/Full 
                                100baseT/Half 100baseT/Full 
                                1000baseT/Full 
        Supported pause frame use: Symmetric
        Supports auto-negotiation: Yes
        Supported FEC modes: Not reported
        Advertised link modes:  10baseT/Half 10baseT/Full 
                                100baseT/Half 100baseT/Full 
                                1000baseT/Full 
        Advertised pause frame use: Symmetric
        Advertised auto-negotiation: Yes
        Advertised FEC modes: Not reported
        Link partner advertised link modes:  10baseT/Half 10baseT/Full 
                                             100baseT/Half 100baseT/Full 
                                             1000baseT/Half 1000baseT/Full 
        Link partner advertised pause frame use: Symmetric Receive-only
        Link partner advertised auto-negotiation: Yes
        Link partner advertised FEC modes: Not reported
        Speed: 1000Mb/s
        Duplex: Full
        Port: MII
        PHYAD: 6
        Transceiver: internal
        Auto-negotiation: on
        Supports Wake-on: d
        Wake-on: d
        Link detected: yes