linux-kernel - backport commit ("e96bd2d3b1f8 phy: avoid unnecessary link-up delay in polling mode") to linux-5.4-stable

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Date:   Fri, 24 Sep 2021 17:10:20 +0800
From:   Macpaul Lin <macpaul.lin@...iatek.com>
To:     Petr Oros <poros@...hat.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        "Jose Abreu" <joabreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        <netdev@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <stable@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     Miles Chen <miles.chen@...iatek.com>,
        Bear Wang <bear.wang@...iatek.com>,
        Pablo Sun <pablo.sun@...iatek.com>,
        Fabien Parent <fparent@...libre.com>,
        Macpaul Lin <macpaul.lin@...iatek.com>,
        Macpaul Lin <macpaul@...il.com>,
        <linux-mediatek@...ts.infradead.org>
Subject: backport commit ("e96bd2d3b1f8 phy: avoid unnecessary link-up delay in polling mode") to linux-5.4-stable

Hi reviewers,

I suggest to backport 
commit "e96bd2d3b1f8 phy: avoid unnecessary link-up delay in polling mode"
to linux-5.4 stable tree.

This patch reports a solution to an incorrect phy link detection issue.
"With this solution we don't miss a link-down event in polling mode and
link-up is faster."

commit: e96bd2d3b1f83170d1d5c1a99e439b39a22a5b58
subject: phy: avoid unnecessary link-up delay in polling mode
kernel version to apply to: Linux-5.4

Thanks.
Macpaul Lin