From: Philipp Zabel <p.zabel@pengutronix.de>
To: Daniel Golle <daniel@makrotopia.org>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
Vinod Koul <vkoul@kernel.org>,
Kishon Vijay Abraham I <kishon@kernel.org>,
Felix Fietkau <nbd@nbd.name>, John Crispin <john@phrozen.org>,
Sean Wang <sean.wang@mediatek.com>,
Mark Lee <Mark-MC.Lee@mediatek.com>,
Lorenzo Bianconi <lorenzo@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Andrew Lunn <andrew@lunn.ch>,
Heiner Kallweit <hkallweit1@gmail.com>,
Russell King <linux@armlinux.org.uk>,
Alexander Couzens <lynxis@fe80.eu>,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
linux-phy@lists.infradead.org
Subject: Re: [RFC PATCH 6/8] net: pcs: add driver for MediaTek USXGMII PCS
Date: Mon, 27 Nov 2023 14:25:12 +0100 [thread overview]
Message-ID: <117dc1503ecd07448cc2e0b036b34a49f5e8c38e.camel@pengutronix.de> (raw)
In-Reply-To: <b9f787f3e4aa36e148d7595495af60db53f74417.1699565880.git.daniel@makrotopia.org>
On Do, 2023-11-09 at 21:51 +0000, Daniel Golle wrote:
> Add driver for USXGMII PCS found in the MediaTek MT7988 SoC and supporting
> USXGMII, 10GBase-R and 5GBase-R interface modes. In order to support
> Cisco SGMII, 1000Base-X and 2500Base-X via the also present LynxI PCS
> create a wrapped PCS taking care of the components shared between the
> new USXGMII PCS and the legacy LynxI PCS.
>
> Signed-off-by: Daniel Golle <daniel@makrotopia.org>
> ---
[...]
> diff --git a/drivers/net/pcs/pcs-mtk-usxgmii.c b/drivers/net/pcs/pcs-mtk-usxgmii.c
> new file mode 100644
> index 0000000000000..b3ca66c9df2a9
> --- /dev/null
> +++ b/drivers/net/pcs/pcs-mtk-usxgmii.c
> @@ -0,0 +1,688 @@
[...]
> +static int mtk_sgmii_wrapper_init(struct mtk_usxgmii_pcs *mpcs)
> +{
> + struct device_node *r = mpcs->dev->of_node, *np;
[...]
> + rstc = of_reset_control_get_shared(r, "sgmii");
> +
Superfluous whitespace.
> + if (IS_ERR(rstc))
> + return PTR_ERR(rstc);
Here you correctly check rstc for errors ...
[...]
> + wp->reset = rstc;
[...]
> +
> + if (IS_ERR(wp->reset))
> + return PTR_ERR(wp->reset);
And here you check it again. The second check can be dropped.
regards
Philipp
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next prev parent reply other threads:[~2023-11-27 13:26 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-09 21:50 [RFC PATCH 0/8] Add support for 10G Ethernet SerDes on MT7988 Daniel Golle
2023-11-09 21:50 ` [RFC PATCH 1/8] dt-bindings: phy: mediatek,xfi-pextp: add new bindings Daniel Golle
2023-11-09 21:55 ` Andrew Lunn
2023-11-09 23:11 ` Daniel Golle
2023-11-14 13:44 ` Rob Herring
2023-11-10 20:08 ` Rob Herring
2023-11-14 13:43 ` Rob Herring
2023-11-09 21:51 ` [RFC PATCH 2/8] phy: add driver for MediaTek pextp 10GE SerDes PHY Daniel Golle
2023-11-27 13:16 ` Vinod Koul
2023-11-09 21:51 ` [RFC PATCH 3/8] net: pcs: pcs-mtk-lynxi: use 2500Base-X without AN Daniel Golle
2023-11-10 8:54 ` Russell King (Oracle)
2023-11-09 21:51 ` [RFC PATCH 4/8] net: pcs: pcs-mtk-lynxi: allow calling with NULL advertising Daniel Golle
2023-11-09 21:51 ` [RFC PATCH 5/8] dt-bindings: net: pcs: add bindings for MediaTek USXGMII PCS Daniel Golle
2023-11-11 8:13 ` Krzysztof Kozlowski
2023-11-14 13:56 ` Rob Herring
2023-11-27 15:47 ` Russell King (Oracle)
2023-11-09 21:51 ` [RFC PATCH 6/8] net: pcs: add driver " Daniel Golle
2023-11-27 13:25 ` Philipp Zabel [this message]
2023-11-27 15:08 ` Russell King (Oracle)
2023-11-09 21:52 ` [RFC PATCH 7/8] dt-bindings: net: mediatek,net: fix and complete mt7988-eth binding Daniel Golle
2023-11-14 14:07 ` Rob Herring
2023-11-14 17:42 ` Daniel Golle
2023-11-09 21:52 ` [RFC PATCH 8/8] net: ethernet: mtk_eth_soc: add paths and SerDes modes for MT7988 Daniel Golle
2023-11-27 13:27 ` Philipp Zabel
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