linux-kernel - Re: [PATCH net] net: phy: Call bus->reset() after releasing PHYs from reset

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Message-Id: <20170511.230701.1656036521860703475.davem@davemloft.net>
Date:   Thu, 11 May 2017 23:07:01 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     f.fainelli@...il.com
Cc:     netdev@...r.kernel.org, rogerq@...com, andrew@...n.ch,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: phy: Call bus->reset() after releasing PHYs
 from reset

From: Florian Fainelli <f.fainelli@...il.com>
Date: Thu, 11 May 2017 11:24:16 -0700

> The API convention makes it that a given MDIO bus reset should be able
> to access PHY devices in its reset() callback and perform additional
> MDIO accesses in order to bring the bus and PHYs in a working state.
> 
> Commit 69226896ad63 ("mdio_bus: Issue GPIO RESET to PHYs.") broke that
> contract by first calling bus->reset() and then release all PHYs from
> reset using their shared GPIO line, so restore the expected
> functionality here.
> 
> Fixes: 69226896ad63 ("mdio_bus: Issue GPIO RESET to PHYs.")
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Applied, thanks Florian.