linux-kernel - Re: [PATCH v10 1/4] MIPS: Loongson64: dts: update the display controller device node

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: <50e3d6c3-93a4-c248-e6df-8ec1636f5da8@189.cn>
Date:   Mon, 21 Feb 2022 21:57:53 +0800
From:   Sui Jingfeng <15330273260@....cn>
To:     Krzysztof Kozlowski <krzk@...nel.org>,
        Sergei Shtylyov <sergei.shtylyov@...il.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Roland Scheidegger <sroland@...are.com>,
        Zack Rusin <zackr@...are.com>,
        Christian Gmeiner <christian.gmeiner@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Andrey Zhizhikin <andrey.zhizhikin@...ca-geosystems.com>,
        Sam Ravnborg <sam@...nborg.org>,
        "David S . Miller" <davem@...emloft.net>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Ilia Mirkin <imirkin@...m.mit.edu>,
        Qing Zhang <zhangqing@...ngson.cn>,
        suijingfeng <suijingfeng@...ngson.cn>
Cc:     linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v10 1/4] MIPS: Loongson64: dts: update the display
 controller device node


On 2022/2/21 18:01, Krzysztof Kozlowski wrote:
> On 21/02/2022 10:19, Sergei Shtylyov wrote:
>> On 2/20/22 5:55 PM, Sui Jingfeng wrote:
>>
>>> From: suijingfeng <suijingfeng@...ngson.cn>
>>>
>>> The display controller is a pci device, its PCI vendor id is 0x0014
>>> its PCI device id is 0x7a06.
>>>
>>> 1) In order to let the driver to know which chip the DC is contained
>>>     in, the compatible string of the display controller is updated
>>>     according to the chip's name.
>>>
>>> 2) Add display controller device node for ls2k1000 SoC
>>>
>>> Reported-by: Krzysztof Kozlowski <krzk@...nel.org>
>>> Signed-off-by: suijingfeng <suijingfeng@...ngson.cn>
>>> Signed-off-by: Sui Jingfeng <15330273260@....cn>
>>> ---
>>>   arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi | 8 ++++++++
>>>   arch/mips/boot/dts/loongson/ls7a-pch.dtsi          | 7 ++-----
>>>   2 files changed, 10 insertions(+), 5 deletions(-)
>>>
>>> diff --git a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
>>> index 768cf2abcea3..af9cda540f9e 100644
>>> --- a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
>>> +++ b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
>>> @@ -209,6 +209,14 @@ gpu@5,0 {
>>>   				interrupt-parent = <&liointc0>;
>>>   			};
>>>   
>>> +			lsdc: display-controller@6,0 {
>>     Shouldn't the node name just be "display", according to the section 2.2.2
>> of the DT spec?
> lcd-controller, led-controller. As I understood from the bindings, this
> is not physical device displaying something (like a panel) but rather a
> device controlling such panel. Therefore display-controller feels
> appropriate.
>
>
> Best regards,
> Krzysztof
Extremely correct.