linux-kernel - Re: [PATCH net-next v1 01/13] net: wwan: tmi: Add PCIe core

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Message-ID: <4411cfd9-7286-32fd-2032-622caa099e91@collabora.com>
Date:   Mon, 5 Dec 2022 13:47:40 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Yanchao Yang (杨彦超) 
        <Yanchao.Yang@...iatek.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "ryazanov.s.a@...il.com" <ryazanov.s.a@...il.com>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "loic.poulain@...aro.org" <loic.poulain@...aro.org>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "johannes@...solutions.net" <johannes@...solutions.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "davem@...emloft.net" <davem@...emloft.net>
Cc:     Chris Feng (冯保林) 
        <Chris.Feng@...iatek.com>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        Mingliang Xu (徐明亮) 
        <mingliang.xu@...iatek.com>,
        "linuxwwan@...iatek.com" <linuxwwan@...iatek.com>,
        Min Dong (董敏) <min.dong@...iatek.com>,
        "linuxwwan@...el.com" <linuxwwan@...el.com>,
        "m.chetan.kumar@...el.com" <m.chetan.kumar@...el.com>,
        Liang Lu (吕亮) <liang.lu@...iatek.com>,
        Haijun Liu (刘海军) 
        <haijun.liu@...iatek.com>,
        Haozhe Chang (常浩哲) 
        <Haozhe.Chang@...iatek.com>,
        Hua Yang (杨华) <Hua.Yang@...iatek.com>,
        Xiayu Zhang (张夏宇) 
        <Xiayu.Zhang@...iatek.com>,
        Aiden Wang (王咏麒) 
        <Aiden.Wang@...iatek.com>,
        Felix Chen (陈非) <Felix.Chen@...iatek.com>,
        Ting Wang (王挺) <ting.wang@...iatek.com>,
        Guohao Zhang (张国豪) 
        <Guohao.Zhang@...iatek.com>,
        Mingchuang Qiao (乔明闯) 
        <Mingchuang.Qiao@...iatek.com>,
        Lambert Wang (王伟) 
        <Lambert.Wang@...iatek.com>
Subject: Re: [PATCH net-next v1 01/13] net: wwan: tmi: Add PCIe core

Il 05/12/22 13:40, Yanchao Yang (杨彦超) ha scritto:
> On Thu, 2022-11-24 at 12:06 +0100, AngeloGioacchino Del Regno wrote:
>> Il 22/11/22 12:11, Yanchao Yang ha scritto:
>>> From: MediaTek Corporation <linuxwwan@...iatek.com>
>>>
>>> Registers the TMI device driver with the kernel. Set up all the
>>> fundamental
>>> configurations for the device: PCIe layer, Modem Host Cross Core
>>> Interface
>>> (MHCCIF), Reset Generation Unit (RGU), modem common control
>>> operations and
>>> build infrastructure.
>>>
>>> * PCIe layer code implements driver probe and removal, MSI-X
>>> interrupt
>>> initialization and de-initialization, and the way of resetting the
>>> device.
>>> * MHCCIF provides interrupt channels to communicate events such as
>>> handshake,
>>> PM and port enumeration.
>>> * RGU provides interrupt channels to generate notifications from
>>> the device
>>> so that the TMI driver could get the device reset.
>>> * Modem common control operations provide the basic read/write
>>> functions of
>>> the device's hardware registers, mask/unmask/get/clear functions of
>>> the
>>> device's interrupt registers and inquiry functions of the device's
>>> status.
>>>
>>> Signed-off-by: Ting Wang <ting.wang@...iatek.com>
>>> Signed-off-by: MediaTek Corporation <linuxwwan@...iatek.com>
> 
> Hello Angelo,
> 
>> Hello Yanchao,
>> thanks for the patch! However, there are some things to improve...
>>
>> First of all, you have to signoff (in your name) all patches that you
>> send.
> 
> Thank your suggestion. Fix it next version (add Signed-off-by: Yanchao
> Yang <yanchao.yang@...iatek.com> for all patches)
>> Check below for more comments...
>>
>>> ---

..snip.. :-)

There's a misunderstanding here: when I write

"..snip.."

I mean "I'm snipping out lines of code for which I have no comments, or
for which comments are redundant"

I do that to increase readability of reviews and decrease the size of the
mail that's going out, nothing else.

>>
>>> +	u32 (*read32)(struct mtk_md_dev *mdev, u64 addr);
>>
>> ..snip..
> 
> do you mean we should remove read function wrapper?

No, that's fine.

Regards,
Angelo