netdev - RE: [PATCH] Revert "net/phy: Add Vitesse 8641 phy ID"

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Message-ID: <BLUPR03MB14759657A388F648ED6928FDE2590@BLUPR03MB1475.namprd03.prod.outlook.com>
Date:	Fri, 18 Sep 2015 09:36:42 +0000
From:	Shaohui Xie <Shaohui.Xie@...escale.com>
To:	Kevin Hao <haokexin@...il.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:	Florian Fainelli <f.fainelli@...il.com>
Subject: RE: [PATCH] Revert "net/phy: Add Vitesse 8641 phy ID"

> -----Original Message-----
> From: Kevin Hao [mailto:haokexin@...il.com]
> Sent: Friday, September 18, 2015 3:43 PM
> To: netdev@...r.kernel.org
> Cc: Florian Fainelli; Xie Shaohui-B21989
> Subject: [PATCH] Revert "net/phy: Add Vitesse 8641 phy ID"
> 
> This reverts commit 1298267b548a78840bd4b3e030993ff8747ca5e6.
> 
> That commit claim that the Vitesse VSC8641 is compatible with Vitesse
> 82xx. But this is not true. It seems that all the registers used in
> Vitesse phy driver are not compatible between 8641 and 82xx.
[S.H] There are differences between some register's bit define. 
But some are not used by driver. 

> It does cause malfunction of the Ethernet on p1010rdb-pa board.
[S.H] Which exact register's setting caused problem? If it needs different setting,
It can be handled by distinguishing phy_id, or replacing relative API for VSC8641.

Thanks!
Shaohui
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