linux-kernel - Re: [PATCH v3 1/2] dt-bindings: PCI: mediatek-gen3: Add property to disable dvfsrc voltage request

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1625024423.20084.12.camel@mhfsdcap03>
Date:   Wed, 30 Jun 2021 11:40:23 +0800
From:   Qizhong Cheng <qizhong.cheng@...iatek.com>
To:     Jianjun Wang <jianjun.wang@...iatek.com>
CC:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <linux-pci@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <youlin.pei@...iatek.com>,
        <chuanjia.liu@...iatek.com>, <ot_jiey.yang@...iatek.com>,
        <drinkcat@...omium.org>, <Rex-BC.Chen@...iatek.com>,
        Krzysztof Wilczyski <kw@...ux.com>, <Ryan-JH.Yu@...iatek.com>
Subject: Re: [PATCH v3 1/2] dt-bindings: PCI: mediatek-gen3: Add property to
 disable dvfsrc voltage request

Reviewed-by: Qizhong Cheng <qizhong.cheng@...iatek.com>
Tested-by: Qizhong Cheng <qizhong.cheng@...iatek.com>

On Wed, 2021-06-30 at 10:49 +0800, Jianjun Wang wrote:
> Add property to disable dvfsrc voltage request, if this property
> is presented, we assume that the requested voltage is always
> higher enough to keep the PCIe controller active.
> 
> Signed-off-by: Jianjun Wang <jianjun.wang@...iatek.com>
> ---
>  .../devicetree/bindings/pci/mediatek-pcie-gen3.yaml       | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> index e7b1f9892da4..3e26c032cea9 100644
> --- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> @@ -96,6 +96,12 @@ properties:
>    phys:
>      maxItems: 1
>  
> +  disable-dvfsrc-vlt-req:
> +    description: Disable dvfsrc voltage request, if this property is presented,
> +      we assume that the requested voltage is always higher enough to keep
> +      the PCIe controller active.
> +    type: boolean
> +
>    '#interrupt-cells':
>      const: 1
>  
> @@ -166,6 +172,8 @@ examples:
>                       <&infracfg_rst 3>;
>              reset-names = "phy", "mac";
>  
> +            disable-dvfsrc-vlt-req;
> +
>              #interrupt-cells = <1>;
>              interrupt-map-mask = <0 0 0 0x7>;
>              interrupt-map = <0 0 0 1 &pcie_intc 0>,