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Message-ID: <Y1F0pSrJnNlYzehq@shell.armlinux.org.uk>
Date:   Thu, 20 Oct 2022 17:17:41 +0100
From:   "Russell King (Oracle)" <linux@...linux.org.uk>
To:     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,
        Frank Wunderlich <frank-w@...lic-files.de>
Subject: Re: [PATCH v2] net: mtk_sgmii: implement mtk_pcs_ops

On Thu, Oct 20, 2022 at 04:44:31PM +0200, Frank Wunderlich wrote:
> diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c
> index 736839c84130..8b7465057e57 100644
> --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c
> +++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c
> @@ -122,7 +122,21 @@ static void mtk_pcs_link_up(struct phylink_pcs *pcs, unsigned int mode,
>  	regmap_write(mpcs->regmap, SGMSYS_SGMII_MODE, val);
>  }
>  
> +static void mtk_pcs_get_state(struct phylink_pcs *pcs, struct phylink_link_state *state)
> +{
> +	struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs);
> +	unsigned int val;
> +
> +	regmap_read(mpcs->regmap, mpcs->ana_rgc3, &val);
> +	state->speed = val & RG_PHY_SPEED_3_125G ? SPEED_2500 : SPEED_1000;
> +

Sorry, looking back at my initial comment on the first revision of this
patch, I see my second point was confused. It should have read:

"2) There should also be a setting for state->duplex."

IOW, "duplex" instead of "pause".

Also, is there no way to read the link partner advertisement?

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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