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Date:   Fri, 22 May 2020 15:50:54 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH] net/ethernet/freescale: rework quiesce/activate for

From: Valentin Longchamp <>
Date: Wed, 20 May 2020 17:53:50 +0200

> ugeth_quiesce/activate are used to halt the controller when there is a
> link change that requires to reconfigure the mac.
> The previous implementation called netif_device_detach(). This however
> causes the initial activation of the netdevice to fail precisely because
> it's detached. For details, see [1].
> A possible workaround was the revert of commit
> net: linkwatch: add check for netdevice being present to linkwatch_do_dev
> However, the check introduced in the above commit is correct and shall be
> kept.
> The netif_device_detach() is thus replaced with
> netif_tx_stop_all_queues() that prevents any tranmission. This allows to
> perform mac config change required by the link change, without detaching
> the corresponding netdevice and thus not preventing its initial
> activation.
> [1]
> Signed-off-by: Valentin Longchamp <>
> Acked-by: Matteo Ghidoni <>

Applied, thanks.

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