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Date:	Thu, 10 Jul 2014 00:09:54 +0200
From:	Francois Romieu <>
To:	Hayes Wang <>
Subject: Re: [PATCH net v2] r8169: disable L23

Hayes Wang <> :
> For RTL8411, RTL8111G, RTL8402, RTL8105, and RTL8106, disable the feature
> of entering the L2/L3 link state of the PCIe. When the nic starts the process
> of entering the L2/L3 link state and the PCI reset occurs before the work
> is finished, the work would be queued and continue after the next the PCI
> reset occurs. This causes the device stays in L2/L3 link state, and the system
> couldn't find the device.
> Signed-off-by: Hayes Wang <>

Acked-by: Francois Romieu <>

Thanks, the explanation of the race between software induced PCI reset
and transition to PCIe L2/L3 should be clear enough. PM scared me, yet
it got worse.

Davem, would you mind to s/rtl_l23_enable/rtl_pcie_state_l2l3_enable/ or
do you want a new patch for it ?

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