netdev - Re: [PATCH v2 1/2] ARM: imx6: disable deeper idle states when FEC is active w/o HW workaround

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Message-ID: <20160611090438.GG20243@tiger>
Date:	Sat, 11 Jun 2016 17:04:38 +0800
From:	Shawn Guo <shawnguo@...nel.org>
To:	Lucas Stach <l.stach@...gutronix.de>
Cc:	Fugang Duan <fugang.duan@....com>, devicetree@...r.kernel.org,
	netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	kernel@...gutronix.de, patchwork-lst@...gutronix.de
Subject: Re: [PATCH v2 1/2] ARM: imx6: disable deeper idle states when FEC is
 active w/o HW workaround

On Fri, Jun 03, 2016 at 06:31:19PM +0200, Lucas Stach wrote:
> The i.MX6 Q/DL has an erratum (ERR006687) that prevents the FEC from
> waking the CPUs when they are in wait(unclocked) state. As the hardware
> workaround isn't applicable to all boards, disable the deeper idle state
> when the workaround isn't present and the FEC is in use.
> 
> This allows to safely run a kernel with CPUidle enabled on all i.MX6
> boards.
> 
> Signed-off-by: Lucas Stach <l.stach@...gutronix.de>
> Acked-by: David S. Miller <davem@...emloft.net> (for network changes)

Applied both, thanks.