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Date:	Wed, 07 Oct 2015 04:20:27 -0700 (PDT)
From:	David Miller <>
Subject: Re: [PATCH 3/3][RESEND] gianfar: Add WAKE_UCAST and
 "wake-on-filer" support

From: Claudiu Manoil <>
Date: Mon, 5 Oct 2015 17:19:59 +0300

> This enables eTSEC's filer (Rx parser) and the FGPI Rx
> interrupt (Filer General Purpose Interrupt) as a wakeup
> source event.
> Upon entering suspend state, the eTSEC filer is given
> a rule to match incoming L2 unicast packets.  A packet
> matching the rule will be enqueued in the Rx ring and
> a FGPI Rx interrupt will be asserted by the filer to
> wakeup the system.  Other packet types will be dropped.
> On resume the filer table is restored to the content
> before entering suspend state.
> The set of rules from gfar_filer_config_wol() could be
> extended to implement other WoL capabilities as well.
> The "fsl,wake-on-filer" DT binding enables this capability
> on certain platforms that feature the necessary power
> management infrastructure, targeting mainly printing and
> imaging applications.
> (refer to Power Management section of the SoC Ref Man)
> Cc: Li Yang <>
> Cc: Zhao Chenhui <>
> Signed-off-by: Claudiu Manoil <>
> ---
> Whole series resent to the nedev list because the first
> two patches in the initial submission were sent to the
> linuxppc-dev list only.  Targets net-next.

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