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From: Andrew Lunn <andrew@lunn•ch>
To: Florian Fainelli <f.fainelli@gmail•com>
Cc: netdev@vger•kernel.org, davem@davemloft•net, opendmb@gmail•com,
	Marc Gonzalez <marc_gonzalez@sigmadesigns•com>,
	slash.tmp@free•fr, david.daney@cavium•com,
	geert+renesas@glider•be
Subject: Re: [RFC net-next 0/4] net: phy: PHY_HALTED, the return of the state
Date: Fri, 27 Oct 2017 13:35:18 +0200	[thread overview]
Message-ID: <20171027113518.GD17415@lunn.ch> (raw)
In-Reply-To: <20171025232124.14120-1-f.fainelli@gmail.com>

On Wed, Oct 25, 2017 at 04:21:20PM -0700, Florian Fainelli wrote:
> Hi all,
> 
> This patch series tries to address the shortcomings of the previously and then
> quickly reverted commit 7ad813f208533cebfcc32d3d7474dc1677d1b09a ("net: phy:
> Correctly process PHY_HALTED in phy_stop_machine()")
> 
> This time, the empire returns and strikes back with a few additional changes:
> 
> - catch phy_disconnect() calls without prior phy_stop() and warn when that
>   happens since that means a driver is not behaving properly. This is AFAIR
>   the case in which David Daney ran into
> 
> - what David also was running into is that when the PHY state machine was
>   already in PHY_HALTED, its synchronous call in phy_disconnect() would make
>   us re-schedule ourselves at the end. This is unnecessary, and we now take
>   care of that
> 
> - finally, Geert experienced bus errors on smsc911x for a number of reasons,
>   but the primary one is that the driver does not do any management of the
>   PHY state machine during suspend/resume. The last patch corrects that, and
>   also suggests that the driver should be fixed to properly support Wake-on-LAN
>   configuration to possibly suspend the PHY.
> 
> David, Marc and Geert, I would appreciate if you could give this patch series
> a spin on your respective HW and confirm that the desired functionality is
> achieved.

Hi Florian

I quickly look through these patches and they all seem
sensible. Feedback from the listed people would however be good.

	  Andrew

  parent reply	other threads:[~2017-10-27 11:35 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-25 23:21 [RFC net-next 0/4] net: phy: PHY_HALTED, the return of the state Florian Fainelli
2017-10-25 23:21 ` [RFC net-next 1/4] net: phy: Export phy_stop_machine() Florian Fainelli
2017-10-30 13:44   ` Geert Uytterhoeven
2017-10-25 23:21 ` [RFC net-next 2/4] net: smsc911x: Properly manage PHY during suspend/resume Florian Fainelli
2017-10-30 13:45   ` Geert Uytterhoeven
2017-10-25 23:21 ` [RFC net-next 3/4] net: phy: Force PHY_HALTED during phy_disconnect() Florian Fainelli
2017-10-25 23:21 ` [RFC net-next 4/4] net: phy: Correctly process PHY_HALTED in phy_stop_machine() Florian Fainelli
2017-10-30 13:56   ` Geert Uytterhoeven
2017-10-30 16:09     ` Florian Fainelli
2017-10-31 15:26       ` Geert Uytterhoeven
2017-10-31 16:33         ` Florian Fainelli
2017-11-06 15:50           ` Geert Uytterhoeven
2017-11-27  4:05             ` Florian Fainelli
2017-11-27  7:48               ` Geert Uytterhoeven
2017-12-04 15:08                 ` Marc Gonzalez
2017-10-27 11:35 ` Andrew Lunn [this message]
2017-10-30 15:44 ` [RFC net-next 0/4] net: phy: PHY_HALTED, the return of the state Marc Gonzalez
2017-10-30 16:27 ` David Daney

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