netdev - Re: [PATCH net v2] net: phy: Correctly process PHY_HALTED in phy_stop

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Date:   Mon, 31 Jul 2017 17:28:18 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     f.fainelli@...il.com
Cc:     netdev@...r.kernel.org, andrew@...n.ch, slash.tmp@...e.fr,
        marc_gonzalez@...madesigns.com, rmk+kernel@...linux.org.uk
Subject: Re: [PATCH net v2] net: phy: Correctly process PHY_HALTED in
 phy_stop_machine()

From: Florian Fainelli <f.fainelli@...il.com>
Date: Fri, 28 Jul 2017 11:58:36 -0700

> Marc reported that he was not getting the PHY library adjust_link()
> callback function to run when calling phy_stop() + phy_disconnect()
> which does not indeed happen because we set the state machine to
> PHY_HALTED but we don't get to run it to process this state past that
> point.
> 
> Fix this with a synchronous call to phy_state_machine() in order to have
> the state machine actually act on PHY_HALTED, set the PHY device's link
> down, turn the network device's carrier off and finally call the
> adjust_link() function.
> 
> Reported-by: Marc Gonzalez <marc_gonzalez@...madesigns.com>
> Fixes: a390d1f379cf ("phylib: convert state_queue work to delayed_work")
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> ---
> Changes in v2:
> 
> - reword subject and commit message based on changes
> - dropped flush_scheduled_work() since it is redundant

Applied and queued up for -stable, thanks.