From: Andrew Lunn <andrew@lunn.ch>
To: Bjarni Jonasson <bjarni.jonasson@microchip.com>
Cc: Heiner Kallweit <hkallweit1@gmail.com>,
Russell King <linux@armlinux.org.uk>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Antoine Tenart <atenart@kernel.org>,
Florian Fainelli <f.fainelli@gmail.com>,
Vladimir Oltean <vladimir.oltean@nxp.com>,
Ioana Ciornei <ioana.ciornei@nxp.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Steen Hegelund <steen.hegelund@microchip.com>
Subject: Re: [PATCH net v1 1/3] net: phy: mscc: adding LCPLL reset to VSC8514
Date: Fri, 12 Feb 2021 16:54:44 +0100 [thread overview]
Message-ID: <YCakxN3iYvsW8afy@lunn.ch> (raw)
In-Reply-To: <20210212140643.23436-1-bjarni.jonasson@microchip.com>
On Fri, Feb 12, 2021 at 03:06:41PM +0100, Bjarni Jonasson wrote:
> At Power-On Reset, transients may cause the LCPLL to lock onto a
> clock that is momentarily unstable. This is normally seen in QSGMII
> setups where the higher speed 6G SerDes is being used.
> This patch adds an initial LCPLL Reset to the PHY (first instance)
> to avoid this issue.
Hi Bjarni
https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
These patches are rather large for stable, and not obviously correct.
There these problems hitting real users running stable kernels? Or is
it so broken it never really worked?
Andrew
next prev parent reply other threads:[~2021-02-12 15:55 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-12 14:06 [PATCH net v1 1/3] net: phy: mscc: adding LCPLL reset to VSC8514 Bjarni Jonasson
2021-02-12 14:06 ` [PATCH net v1 2/3] net: phy: mscc: improved serdes calibration applied " Bjarni Jonasson
2021-02-12 16:24 ` Vladimir Oltean
2021-02-12 14:06 ` [PATCH net v1 3/3] net: phy: mscc: coma mode disabled for VSC8514 Bjarni Jonasson
2021-02-12 16:32 ` Vladimir Oltean
2021-02-15 9:36 ` Bjarni.Jonasson
2021-02-12 15:20 ` [PATCH net v1 1/3] net: phy: mscc: adding LCPLL reset to VSC8514 Andrew Lunn
2021-02-15 9:15 ` Bjarni.Jonasson
2021-02-12 15:54 ` Andrew Lunn [this message]
2021-02-15 9:27 ` Bjarni.Jonasson
2021-02-12 16:23 ` Vladimir Oltean
2021-02-12 18:53 ` Jakub Kicinski
2021-02-15 9:38 ` Bjarni.Jonasson
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