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Message-ID: <ZXC1wRWEx3f9MMMq@shell.armlinux.org.uk>
Date: Wed, 6 Dec 2023 17:56:17 +0000
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Daniel Golle <daniel@...rotopia.org>
Cc: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Chunfeng Yun <chunfeng.yun@...iatek.com>,
Vinod Koul <vkoul@...nel.org>,
Kishon Vijay Abraham I <kishon@...nel.org>,
Felix Fietkau <nbd@....name>, John Crispin <john@...ozen.org>,
Sean Wang <sean.wang@...iatek.com>,
Mark Lee <Mark-MC.Lee@...iatek.com>,
Lorenzo Bianconi <lorenzo@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>,
Alexander Couzens <lynxis@...0.eu>,
Qingfang Deng <dqfext@...il.com>,
SkyLake Huang <SkyLake.Huang@...iatek.com>,
Philipp Zabel <p.zabel@...gutronix.de>, netdev@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-phy@...ts.infradead.org
Subject: Re: [RFC PATCH v2 5/8] net: pcs: add driver for MediaTek USXGMII PCS
On Wed, Dec 06, 2023 at 01:44:38AM +0000, Daniel Golle wrote:
> +struct phylink_pcs *mtk_usxgmii_select_pcs(struct device_node *np, phy_interface_t mode)
> +{
> + struct platform_device *pdev;
> + struct mtk_usxgmii_pcs *mpcs;
> +
> + if (!np)
> + return NULL;
> +
> + if (!of_device_is_available(np))
> + return ERR_PTR(-ENODEV);
> +
> + if (!of_match_node(mtk_usxgmii_of_mtable, np))
> + return ERR_PTR(-EINVAL);
> +
> + pdev = of_find_device_by_node(np);
> + if (!pdev || !platform_get_drvdata(pdev)) {
> + if (pdev)
> + put_device(&pdev->dev);
> + return ERR_PTR(-EPROBE_DEFER);
> + }
> +
> + mpcs = platform_get_drvdata(pdev);
> + put_device(&pdev->dev);
> +
> + return &mpcs->pcs;
> +}
> +EXPORT_SYMBOL(mtk_usxgmii_select_pcs);
All the same arguments apply here as per the lynxi driver.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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