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

Shawn Guo shawnguo at kernel.org
Sat Jun 11 02:04:38 PDT 2016


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 at pengutronix.de>
> Acked-by: David S. Miller <davem at davemloft.net> (for network changes)

Applied both, thanks.



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