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From: Krzysztof Kozlowski <krzk@kernel.org>
To: Yijie Yang <quic_yijiyang@quicinc.com>,
	Vinod Koul <vkoul@kernel.org>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.org>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Jose Abreu <joabreu@synopsys.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: netdev@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/3] net: stmmac: qcom-ethqos: Enable RX programmable swap on qcs615
Date: Wed, 25 Dec 2024 12:37:52 +0100	[thread overview]
Message-ID: <4b4ef1c1-a20b-4b65-ad37-b9aabe074ae1@kernel.org> (raw)
In-Reply-To: <20241225-support_10m100m-v1-2-4b52ef48b488@quicinc.com>

On 25/12/2024 11:04, Yijie Yang wrote:

>  static int qcom_ethqos_probe(struct platform_device *pdev)
>  {
> -	struct device_node *np = pdev->dev.of_node;
> +	struct device_node *np = pdev->dev.of_node, *root;
>  	const struct ethqos_emac_driver_data *data;
>  	struct plat_stmmacenet_data *plat_dat;
>  	struct stmmac_resources stmmac_res;
> @@ -810,6 +805,15 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
>  	ret = of_get_phy_mode(np, &ethqos->phy_mode);
>  	if (ret)
>  		return dev_err_probe(dev, ret, "Failed to get phy mode\n");
> +
> +	root = of_find_node_by_path("/");
> +	if (root && of_device_is_compatible(root, "qcom,sa8540p-ride"))


Nope, your drivers are not supposed to poke root compatibles. Drop and
fix your driver to behave correctly for all existing devices.

> +		ethqos->needs_rx_prog_swap = true;
> +	else
> +		ethqos->needs_rx_prog_swap =
Best regards,
Krzysztof

  reply	other threads:[~2024-12-25 11:37 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-25 10:04 [PATCH 0/3] Support tuning the RX sampling swap of the MAC Yijie Yang
2024-12-25 10:04 ` [PATCH 1/3] dt-bindings: net: stmmac: Tune rx sampling occasion Yijie Yang
2024-12-25 10:04 ` [PATCH 2/3] net: stmmac: qcom-ethqos: Enable RX programmable swap on qcs615 Yijie Yang
2024-12-25 11:37   ` Krzysztof Kozlowski [this message]
2024-12-26  2:29     ` Yijie Yang
2024-12-26 17:21       ` Andrew Lunn
2025-01-08  9:42         ` Yijie Yang
2025-01-08 13:29           ` Andrew Lunn
2025-01-20  9:07             ` Yijie Yang
2025-01-20 16:49               ` Andrew Lunn
2025-01-21  7:13                 ` Yijie Yang
2025-01-21 14:34                   ` Andrew Lunn
2024-12-27  7:03       ` Krzysztof Kozlowski
2025-01-08 10:33         ` Yijie Yang
2025-01-13 11:26           ` Krzysztof Kozlowski
2025-01-14  1:51             ` Yijie Yang
2024-12-25 10:04 ` [PATCH 3/3] arm64: dts: qcom: qcs615-ride: Enable RX programmable swap on qcs615-ride Yijie Yang
2024-12-25 17:38   ` Andrew Lunn
2024-12-26  1:23     ` Yijie Yang
2024-12-25 17:49 ` [PATCH 0/3] Support tuning the RX sampling swap of the MAC Andrew Lunn
2024-12-26  3:06   ` Yijie Yang
2024-12-26 17:14     ` Andrew Lunn
2025-01-08 10:43       ` Yijie Yang
2024-12-27 15:18 ` Rob Herring (Arm)

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