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From: Johan Hovold <johan@kernel.org>
To: Ziyue Zhang <quic_ziyuzhan@quicinc.com>
Cc: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org,
	krzk+dt@kernel.org, conor+dt@kernel.org, jingoohan1@gmail.com,
	mani@kernel.org, lpieralisi@kernel.org, kwilczynski@kernel.org,
	bhelgaas@google.com, johan+linaro@kernel.org, vkoul@kernel.org,
	kishon@kernel.org, neil.armstrong@linaro.org,
	abel.vesa@linaro.org, kw@linux.com,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-phy@lists.infradead.org, qiang.yu@oss.qualcomm.com,
	quic_krichai@quicinc.com, quic_vbadigan@quicinc.com
Subject: Re: [PATCH v2 2/4] dt-bindings: PCI: qcom,pcie-sa8775p: document link_down reset
Date: Tue, 17 Jun 2025 09:40:34 +0200	[thread overview]
Message-ID: <aFEb8m0snKARK90R@hovoldconsulting.com> (raw)
In-Reply-To: <20250617021617.2793902-3-quic_ziyuzhan@quicinc.com>

On Tue, Jun 17, 2025 at 10:16:15AM +0800, Ziyue Zhang wrote:
> Each PCIe controller on sa8775p includes 'link_down'reset on hardware,
> document it.

Please say something in the commit message about what this reset is used
for as well.

> Signed-off-by: Ziyue Zhang <quic_ziyuzhan@quicinc.com>
> ---
>  .../devicetree/bindings/pci/qcom,pcie-sa8775p.yaml  | 13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-sa8775p.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-sa8775p.yaml
> index e3fa232da2ca..b7cae2e556e3 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie-sa8775p.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-sa8775p.yaml
> @@ -61,11 +61,14 @@ properties:
>        - const: global
>  
>    resets:
> -    maxItems: 1
> +    items:
> +      - description: PCIe controller reset
> +      - description: link_down reset

That's not really a description, you're just repeating the "link_down"
name here. You can probably use the description you add in the comment
below.

>    reset-names:
>      items:
> -      - const: pci
> +      - const: pci # PCIe core reset
> +      - const: link_down # PCIe link down reset

Johan

WARNING: multiple messages have this Message-ID (diff)
From: Johan Hovold <johan@kernel.org>
To: Ziyue Zhang <quic_ziyuzhan@quicinc.com>
Cc: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org,
	krzk+dt@kernel.org, conor+dt@kernel.org, jingoohan1@gmail.com,
	mani@kernel.org, lpieralisi@kernel.org, kwilczynski@kernel.org,
	bhelgaas@google.com, johan+linaro@kernel.org, vkoul@kernel.org,
	kishon@kernel.org, neil.armstrong@linaro.org,
	abel.vesa@linaro.org, kw@linux.com,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-phy@lists.infradead.org, qiang.yu@oss.qualcomm.com,
	quic_krichai@quicinc.com, quic_vbadigan@quicinc.com
Subject: Re: [PATCH v2 2/4] dt-bindings: PCI: qcom,pcie-sa8775p: document link_down reset
Date: Tue, 17 Jun 2025 09:40:34 +0200	[thread overview]
Message-ID: <aFEb8m0snKARK90R@hovoldconsulting.com> (raw)
In-Reply-To: <20250617021617.2793902-3-quic_ziyuzhan@quicinc.com>

On Tue, Jun 17, 2025 at 10:16:15AM +0800, Ziyue Zhang wrote:
> Each PCIe controller on sa8775p includes 'link_down'reset on hardware,
> document it.

Please say something in the commit message about what this reset is used
for as well.

> Signed-off-by: Ziyue Zhang <quic_ziyuzhan@quicinc.com>
> ---
>  .../devicetree/bindings/pci/qcom,pcie-sa8775p.yaml  | 13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-sa8775p.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-sa8775p.yaml
> index e3fa232da2ca..b7cae2e556e3 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie-sa8775p.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-sa8775p.yaml
> @@ -61,11 +61,14 @@ properties:
>        - const: global
>  
>    resets:
> -    maxItems: 1
> +    items:
> +      - description: PCIe controller reset
> +      - description: link_down reset

That's not really a description, you're just repeating the "link_down"
name here. You can probably use the description you add in the comment
below.

>    reset-names:
>      items:
> -      - const: pci
> +      - const: pci # PCIe core reset
> +      - const: link_down # PCIe link down reset

Johan

-- 
linux-phy mailing list
linux-phy@lists.infradead.org
https://lists.infradead.org/mailman/listinfo/linux-phy

  reply	other threads:[~2025-06-17  7:40 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-17  2:16 [PATCH v2 0/4] pci: qcom: drop unrelated clock and add link_down reset for sa8775p Ziyue Zhang
2025-06-17  2:16 ` Ziyue Zhang
2025-06-17  2:16 ` [PATCH v2 1/4] dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Update pcie phy bindings " Ziyue Zhang
2025-06-17  2:16   ` Ziyue Zhang
2025-06-17  7:38   ` Johan Hovold
2025-06-17  7:38     ` Johan Hovold
2025-06-17  2:16 ` [PATCH v2 2/4] dt-bindings: PCI: qcom,pcie-sa8775p: document link_down reset Ziyue Zhang
2025-06-17  2:16   ` Ziyue Zhang
2025-06-17  7:40   ` Johan Hovold [this message]
2025-06-17  7:40     ` Johan Hovold
2025-06-17  2:16 ` [PATCH v2 3/4] arm64: dts: qcom: sa8775p: remove aux clock from pcie phy Ziyue Zhang
2025-06-17  2:16   ` Ziyue Zhang
2025-06-17  2:16 ` [PATCH v2 4/4] arm64: dts: qcom: sa8775p: add link_down reset for pcie Ziyue Zhang
2025-06-17  2:16   ` Ziyue Zhang

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