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Date:   Thu, 29 Dec 2016 00:28:59 +0000
From:   "Kweh, Hock Leong" <hock.leong.kweh@...el.com>
To:     Florian Fainelli <f.fainelli@...il.com>,
        David Miller <davem@...emloft.net>
CC:     "Joao.Pinto@...opsys.com" <Joao.Pinto@...opsys.com>,
        "peppe.cavallaro@...com" <peppe.cavallaro@...com>,
        "seraphin.bonnaffe@...com" <seraphin.bonnaffe@...com>,
        "alexandre.torgue@...il.com" <alexandre.torgue@...il.com>,
        "manabian@...il.com" <manabian@...il.com>,
        "niklas.cassel@...s.com" <niklas.cassel@...s.com>,
        "johan@...nel.org" <johan@...nel.org>,
        "pavel@....cz" <pavel@....cz>,
        "Ong, Boon Leong" <boon.leong.ong@...el.com>,
        "Voon, Weifeng" <weifeng.voon@...el.com>,
        "lars.persson@...s.com" <lars.persson@...s.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2] net: stmmac: bug fix to synchronize stmmac_open and
 stmmac_dvr_probe

> -----Original Message-----
> From: Florian Fainelli [mailto:f.fainelli@...il.com]
> Sent: Thursday, December 29, 2016 2:43 AM
> To: Kweh, Hock Leong <hock.leong.kweh@...el.com>; David Miller
> <davem@...emloft.net>
> Cc: Joao.Pinto@...opsys.com; peppe.cavallaro@...com;
> seraphin.bonnaffe@...com; alexandre.torgue@...il.com;
> manabian@...il.com; niklas.cassel@...s.com; johan@...nel.org;
> pavel@....cz; Ong, Boon Leong <boon.leong.ong@...el.com>; Voon, Weifeng
> <weifeng.voon@...el.com>; lars.persson@...s.com; netdev@...r.kernel.org;
> linux-kernel@...r.kernel.org
> Subject: Re: [PATCH v2] net: stmmac: bug fix to synchronize stmmac_open and
> stmmac_dvr_probe
> 
> On 12/27/2016 09:49 PM, Kweh, Hock Leong wrote:
> >> -----Original Message-----
> >> From: David Miller [mailto:davem@...emloft.net]
> >> Sent: Wednesday, December 28, 2016 12:34 AM
> >> To: Kweh, Hock Leong <hock.leong.kweh@...el.com>
> >> Cc: Joao.Pinto@...opsys.com; peppe.cavallaro@...com;
> >> seraphin.bonnaffe@...com; f.fainelli@...il.com;
> >> alexandre.torgue@...il.com; manabian@...il.com;
> >> niklas.cassel@...s.com; johan@...nel.org; pavel@....cz; Ong, Boon
> >> Leong <boon.leong.ong@...el.com>; Voon, Weifeng
> >> <weifeng.voon@...el.com>; lars.persson@...s.com;
> >> netdev@...r.kernel.org; linux-kernel@...r.kernel.org
> >> Subject: Re: [PATCH v2] net: stmmac: bug fix to synchronize
> >> stmmac_open and stmmac_dvr_probe
> >>
> >> From: "Kweh, Hock Leong"	<hock.leong.kweh@...el.com>
> >> Date: Tue, 27 Dec 2016 22:42:36 +0800
> >>
> >>> From: "Kweh, Hock Leong" <hock.leong.kweh@...el.com>
> >>
> >> You are not the author of this change, do not take credit for it.
> >>
> >> You have copied Florian's patch character by character, therefore he
> >> is the author.
> >>
> >> You also didn't CC: the netdev mailing list properly.
> >
> > Hi David & Florian,
> >
> > Just to clarify that I do not copy exactly from Florian.
> > I have changed it to have proper handling on mdio unregister while
> > netdev_register() failed as showed below:
> >
> > 	return 0;
> >
> > -error_mdio_register:
> > -	unregister_netdev(ndev);
> >  error_netdev_register:
> > +	stmmac_mdio_unregister(ndev);
> 
> Although this is required, we can't be doing it in all circumstances, we need to
> mimic what stmmac_drv_remove() does.
> 
> Let me submit an incremental fix which takes care of mdio bus unregistration.
> --
> Florian

Noted & Thanks. Will test it out once you submitted.

Thanks & Regards,
Wilson

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