linux-kernel - Re: [PATCH V1 4/5] net: fec: add eee mode tx lpi support

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Message-ID: <20210809014043.GA3712165@roeck-us.net>
Date:   Sun, 8 Aug 2021 18:40:43 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Joakim Zhang <qiangqing.zhang@....com>
Cc:     davem@...emloft.net, kuba@...nel.org, robh+dt@...nel.org,
        andrew@...n.ch, netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-imx@....com
Subject: Re: [PATCH V1 4/5] net: fec: add eee mode tx lpi support

On Fri, Jul 09, 2021 at 03:53:54PM +0800, Joakim Zhang wrote:
> From: Fugang Duan <fugang.duan@....com>
> 
> The i.MX8MQ ENET version support IEEE802.3az eee mode, add
> eee mode tx lpi enable to support ethtool interface.
> 
> usage:
> 1. set sleep and wake timer to 5ms:
> ethtool --set-eee eth0 eee on tx-lpi on tx-timer 5000
> 2. check the eee mode:
> ~# ethtool --show-eee eth0
> EEE Settings for eth0:
>         EEE status: enabled - active
>         Tx LPI: 5000 (us)
>         Supported EEE link modes:  100baseT/Full
>                                    1000baseT/Full
>         Advertised EEE link modes:  100baseT/Full
>                                     1000baseT/Full
>         Link partner advertised EEE link modes:  100baseT/Full
> 
> Note: For realtime case and IEEE1588 ptp case, it should disable
> EEE mode.
> 
> Signed-off-by: Fugang Duan <fugang.duan@....com>
> Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>

This patch results in:

drivers/net/ethernet/freescale/fec_main.c: In function 'fec_enet_eee_mode_set':
drivers/net/ethernet/freescale/fec_main.c:2801:40: error: 'FEC_LPI_SLEEP' undeclared
drivers/net/ethernet/freescale/fec_main.c:2802:39: error: 'FEC_LPI_WAKE' undeclared

when building m68k:m5272c3_defconfig.

Guenter