linux-kernel - Re: [PATCH v10 1/2] gpio: loongson: add gpio driver support

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Message-ID: <CAMRc=Me6PqGUJbE7vazwUho=Q0xYREziiytBrhT1CfHT_NOYxg@mail.gmail.com>
Date:   Sat, 3 Dec 2022 18:45:01 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Andy Shevchenko <andriy.shevchenko@...el.com>
Cc:     Yinbo Zhu <zhuyinbo@...ngson.cn>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        WANG Xuerui <kernel@...0n.name>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        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>,
        Jianmin Lv <lvjianmin@...ngson.cn>,
        Hongchen Zhang <zhanghongchen@...ngson.cn>,
        Liu Peibao <liupeibao@...ngson.cn>
Subject: Re: [PATCH v10 1/2] gpio: loongson: add gpio driver support

On Sat, Dec 3, 2022 at 4:41 PM Andy Shevchenko
<andriy.shevchenko@...el.com> wrote:
>
> On Sat, Dec 03, 2022 at 05:27:31PM +0200, Andy Shevchenko wrote:
> > On Sat, Dec 03, 2022 at 06:53:20PM +0800, Yinbo Zhu wrote:
> > > 在 2022/12/3 18:03, Linus Walleij 写道:
> > > > On Thu, Dec 1, 2022 at 1:33 PM Yinbo Zhu <zhuyinbo@...ngson.cn> wrote:
> > > > > +config GPIO_LOONGSON_64BIT
> > > > > +       tristate "Loongson 64 bit GPIO support"
> > > > > +       depends on LOONGARCH || COMPILE_TEST
> > > > > +       select GPIO_GENERIC
> > > > > +       select GPIOLIB_IRQCHIP
> > > > If the kernelbots start complaining you might need to add a:
> > > >
> > > > select IRQ_DOMAIN_HIERARCHY
> > > >
> > > > here.
> > >
> > > Bartosz had merged my patch and I will add a change on top of the existing
> > > series.
> >
> > I don;'t know why he had done that, the driver requires a lot of cleanups,
> > e.g. why it uses acpi.h, what that "nice" container of the platform device for.
>
> + we have macros for get_direction() returned values and so on.
>

You'll have the chance to review Yinbo's patches Andy because the
driver fails to build with current next. I didn't notice the code
references of_nodes even though they're gone now from struct
gpio_chip. I need to back it out and let's get back to it for the next
release.

Bartosz