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From: David Miller <davem@davemloft.net>
To: madalin.bucur@oss.nxp.com
Cc: andrew@lunn.ch, f.fainelli@gmail.com, hkallweit1@gmail.com,
	netdev@vger.kernel.org, ykaukab@suse.de
Subject: Re: [PATCH net v3] dpaa_eth: support all modes with rate adapting PHYs
Date: Fri, 07 Feb 2020 14:29:04 +0100 (CET)	[thread overview]
Message-ID: <20200207.142904.27768216550942872.davem@davemloft.net> (raw)
In-Reply-To: <1580810938-21047-1-git-send-email-madalin.bucur@oss.nxp.com>

From: Madalin Bucur <madalin.bucur@oss.nxp.com>
Date: Tue,  4 Feb 2020 12:08:58 +0200

> Stop removing modes that are not supported on the system interface
> when the connected PHY is capable of rate adaptation. This addresses
> an issue with the LS1046ARDB board 10G interface no longer working
> with an 1G link partner after autonegotiation support was added
> for the Aquantia PHY on board in
> 
> commit 09c4c57f7bc4 ("net: phy: aquantia: add support for auto-negotiation configuration")
> 
> Before this commit the values advertised by the PHY were not
> influenced by the dpaa_eth driver removal of system-side unsupported
> modes as the aqr_config_aneg() was basically a no-op. After this
> commit, the modes removed by the dpaa_eth driver were no longer
> advertised thus autonegotiation with 1G link partners failed.
> 
> Reported-by: Mian Yousaf Kaukab <ykaukab@suse.de>
> Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
> ---
> 
> change in v3: no longer add an API for checking the capability,
>   rely on PHY vendor to determine if more modes may be available
>   through rate adaptation so stop removing them

Applied and queued up for -stable, thank you.

      parent reply	other threads:[~2020-02-07 13:29 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-04 10:08 [PATCH net v3] dpaa_eth: support all modes with rate adapting PHYs Madalin Bucur
2020-02-05 12:53 ` David Miller
2020-02-07 13:19 ` Andrew Lunn
2020-02-07 13:29 ` David Miller [this message]

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