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Date:   Wed, 6 Feb 2019 11:45:44 +0000
From:   Jose Abreu <jose.abreu@...opsys.com>
To:     Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        <alexandre.torgue@...com>
CC:     <peppe.cavallaro@...com>, <davem@...emloft.net>,
        <mcoquelin.stm32@...il.com>, <netdev@...r.kernel.org>,
        <jose.abreu@...opsys.com>
Subject: Re: [net-next, PATCH] net: stmmac: fix ptp timestamping on Rx on
 gmac4

On 2/5/2019 12:15 PM, Ilias Apalodimas wrote:
> The current driver only enables Pdelay_Req and Pdelay_Resp when
> HWTSTAMP_FILTER_PTP_V2_EVENT, HWTSTAMP_FILTER_PTP_V1_L4_EVENT or
> HWTSTAMP_FILTER_PTP_V2_L4_EVENT is requested. This results in ptp sync on
> slave mode to report 'received SYNC without timestamp' when using ptp4l.
> 
> Although the hardware can support Sync, Pdelay_Req and Pdelay_resp by
> setting bit14 annd bits 17/16 to 01 this leaves Delay_Req timestamps out.
> 
> Fix this by enabling all event and general messages timestamps.
> This includes SYNC, Follow_Up, Delay_Req, Delay_Resp, Pdelay_Req,
> Pdelay_Resp and Pdelay_Resp_Follow_Up messages.
> 
> Signed-off-by: Ilias Apalodimas <ilias.apalodimas@...aro.org>

Acked-by: Jose Abreu <joabreu@...opsys.com>

and, on XGMAC2: Tested-by: Jose Abreu <joabreu@...opsys.com>

Thanks,
Jose Miguel Abreu

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