linux-kernel - Re: [PATCH v2 1/2] gpio: loongson: add dts/acpi gpio support

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Date:   Wed, 16 Nov 2022 11:34:48 +0800
From:   Yinbo Zhu <zhuyinbo@...ngson.cn>
To:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc:     Bartosz Golaszewski <brgl@...ev.pl>,
        Linus Walleij <linus.walleij@...aro.org>, zhuyinbo@...ngson.cn,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        WANG Xuerui <kernel@...0n.name>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        Juxin Gao <gaojuxin@...ngson.cn>,
        Bibo Mao <maobibo@...ngson.cn>,
        Yanteng Si <siyanteng@...ngson.cn>, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        loongarch@...ts.linux.dev, linux-mips@...r.kernel.org,
        Arnaud Patard <apatard@...driva.com>,
        Huacai Chen <chenhuacai@...nel.org>,
        lvjianmin <lvjianmin@...ngson.cn>,
        zhanghongchen <zhanghongchen@...ngson.cn>,
        Liu Peibao <liupeibao@...ngson.cn>
Subject: Re: [PATCH v2 1/2] gpio: loongson: add dts/acpi gpio support



在 2022/11/15 下午6:20, Thomas Bogendoerfer 写道:
> On Tue, Nov 15, 2022 at 05:53:26PM +0800, Yinbo Zhu wrote:
>>>> +/* ============== Data structrues =============== */
>>>> +
>>>> +/* gpio data */
>>>> +struct platform_gpio_data {
>>>> +       u32 gpio_conf;
>>>> +       u32 gpio_out;
>>>> +       u32 gpio_in;
>>>> +       u32 support_irq;
>>>> +       char *label;
>>>> +       int gpio_base;
>>>> +       int ngpio;
>>>> +};
>>>
>>> No idea why you would need to duplicate it like this either. And why
>>> put it in arch/.
>> because loongson platform include mips and loongarch, and the gpio device
>> data was defined in arch/ in leagcy loongson gpio driver.  so the
>> latest loongson gpio drvier add platform_gpio_data in same dir.
> 
> put the struct into a new file in  include/linux/platform_data and
> use that.
> 
> Thomas.
Hi Thomas,

I think it is okay for me about your advice. I will move gpio platform
data in include/linux/platform_data.

Thanks
Yinbo.

>