From: Timur Tabi <timur@codeaurora.org>
To: Andrew Lunn <andrew@lunn.ch>, zefir.kurtisi@neratec.com
Cc: Florian Fainelli <f.fainelli@gmail.com>, netdev@vger.kernel.org
Subject: Re: Need help with mdiobus_register and phy
Date: Sat, 15 Oct 2016 13:28:16 -0500 [thread overview]
Message-ID: <58027540.6080604@codeaurora.org> (raw)
In-Reply-To: <20161015180219.GB6918@lunn.ch>
Andrew Lunn wrote:
> 1) Take the SerDes power down out of the suspend code for the at803x.
>
> 2) Assume MII_PHYID1/2 registers are not guaranteed to be available
> when the PHY is powered down. So get_phy_id should first read
> MII_BMCR. If it gets 0xffff, assume there is no PHY there. If the
> PDOWN bit is set, power up the PHY. Then reading the ID registers.
Before we take approach #1, I'd like to hear from the developer of that
patch, Zefir. According to him, that patch is necessary to fix a bug.
I don't know if that bug exists only on his system, though.
--
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the
Code Aurora Forum, hosted by The Linux Foundation.
next prev parent reply other threads:[~2016-10-15 18:28 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-13 23:15 Need help with mdiobus_register and phy Timur Tabi
2016-10-14 4:06 ` Andrew Lunn
2016-10-14 11:38 ` Timur Tabi
2016-10-14 12:06 ` Andrew Lunn
2016-10-14 12:39 ` Timur Tabi
2016-10-14 12:49 ` Andrew Lunn
2016-10-14 12:49 ` Timur Tabi
2016-10-14 12:57 ` Andrew Lunn
2016-10-14 13:03 ` Timur Tabi
2016-10-14 13:18 ` Andrew Lunn
2016-10-14 13:28 ` Timur Tabi
2016-10-14 16:57 ` Timur Tabi
2016-10-14 17:25 ` Andrew Lunn
2016-10-14 18:30 ` Timur Tabi
2016-10-15 10:19 ` Florian Fainelli
2016-10-15 14:39 ` Timur Tabi
2016-10-15 18:02 ` Andrew Lunn
2016-10-15 18:28 ` Timur Tabi [this message]
2016-10-17 9:05 ` Zefir Kurtisi
2016-10-17 20:53 ` Timur Tabi
2016-10-18 10:31 ` Zefir Kurtisi
2016-10-18 12:40 ` Timur Tabi
2016-10-19 8:55 ` Zefir Kurtisi
2016-10-19 12:16 ` Timur Tabi
2016-10-20 12:55 ` Zefir Kurtisi
2016-10-21 7:44 ` Zefir Kurtisi
2016-10-21 11:19 ` Timur Tabi
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