linux-kernel - Re: [PATCH v1 0/6] gpio: mlxbf2: Introduce proper interrupt handling

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Message-ID: <CAHp75Vc2Hpdk715R3=JPp==tUX394ZWLp96BJHHkarj9TpJ0FQ@mail.gmail.com>
Date:   Mon, 16 Aug 2021 15:06:23 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     David Thompson <davthompson@...dia.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Asmaa Mnebhi <asmaa@...dia.com>,
        Liming Sun <limings@...dia.com>
Subject: Re: [PATCH v1 0/6] gpio: mlxbf2: Introduce proper interrupt handling

On Mon, Aug 16, 2021 at 3:01 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> This is just a WIP / TODO series based on the discussion [1].
> I hope nVidia will finish it and fix the initial problem sooner than later.
>
> Bart, Linus, First 4 patches may be directly applied to the tree (they are
> at least compile-tested, but I believe they won't change any functionality.
>
> Patch 5 is some stubs that should have been done in the driver.
> Patch 6 is follow up removal of custom GPIO IRQ handling from
> Mellanox GBE driver. Both of them are quite far from finishing,
> but it's a start for nVidia to develop and test proper solution.
>
> In any case, I will probably sent end this week the ACPI IRQ abuse
> part from the GBE driver (I won't touch OF path).
>
> ARs for nVidia:
> 0) review this series;
> 1) properly develop GPIO driver;
> 2) replace custom code with correct one;
> 3) send the work for review to GPIO and ACPI maintainers (basically list
>    of this series).
>
> On my side I will help you if you have any questions regarding to GPIO
> and ACPI.

Missed link

[1]: https://x-lore.kernel.org/linux-acpi/YRUskkALrPLa2cSf@smile.fi.intel.com/T/#u

> Andy Shevchenko (6):
>   gpio: mlxbf2: Convert to device PM ops
>   gpio: mlxbf2: Drop wrong use of ACPI_PTR()
>   gpio: mlxbf2: Use devm_platform_ioremap_resource()
>   gpio: mlxbf2: Use DEFINE_RES_MEM_NAMED() helper macro
>   TODO: gpio: mlxbf2: Introduce IRQ support
>   TODO: net: mellanox: mlxbf_gige: Replace non-standard interrupt
>     handling
>
>  drivers/gpio/gpio-mlxbf2.c                    | 151 ++++++++++---
>  .../mellanox/mlxbf_gige/mlxbf_gige_gpio.c     | 212 ------------------
>  2 files changed, 120 insertions(+), 243 deletions(-)
>  delete mode 100644 drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_gpio.c
>
> --
> 2.30.2
>


-- 
With Best Regards,
Andy Shevchenko