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Message-ID: <949F5EE5-B22D-40E2-9783-0F75ACFE2C1F@public-files.de>
Date:   Thu, 20 Oct 2022 07:54:49 +0200
From:   Frank Wunderlich <frank-w@...lic-files.de>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>,
        Frank Wunderlich <linux@...web.de>
CC:     linux-mediatek@...ts.infradead.org,
        Alexander Couzens <lynxis@...0.eu>,
        Felix Fietkau <nbd@....name>, John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: mtk_sgmii: implement mtk_pcs_ops

Am 18. Oktober 2022 18:39:01 MESZ schrieb "Russell King (Oracle)" <linux@...linux.org.uk>:
>Hi,
>
>A couple of points:
>
>On Tue, Oct 18, 2022 at 05:35:06PM +0200, Frank Wunderlich wrote:

>> +	regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &val);
>> +	state->an_complete = !!(val & SGMII_AN_COMPLETE);
>> +	state->link = !!(val & SGMII_LINK_STATYS);
>> +	state->pause = 0;
>
>Finally, something approaching a reasonable implementation for this!
>Two points however:
>1) There's no need to set state->pause if there is no way to get that
>   state.
>2) There should also be a setting for state->pause.

Currently it looks like pause cannot be controlled in sgmii-mode so we disabled it here to not leave it undefined. Should i drop assignment here?

>> +}
>> +
>>  static const struct phylink_pcs_ops mtk_pcs_ops = {
>>  	.pcs_config = mtk_pcs_config,
>>  	.pcs_an_restart = mtk_pcs_restart_an,
>>  	.pcs_link_up = mtk_pcs_link_up,
>> +	.pcs_get_state = mtk_pcs_get_state,
>
>Please keep this in order - pcs_get_state should be just before
>pcs_config.

Ok,will change order

regards Frank

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