linux-kernel - Re: [PATCH 2/2] pinctrl: stm32: check node status before new gpio bank registering

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Date:   Mon, 30 Jul 2018 17:31:22 +0200
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     Linus Walleij <linus.walleij@...aro.org>
CC:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Amelie Delaunay <amelie.delaunay@...com>
Subject: Re: [PATCH 2/2] pinctrl: stm32: check node status before new gpio
 bank registering

Hi Linus

On 07/29/2018 10:11 PM, Linus Walleij wrote:
> On Mon, Jul 16, 2018 at 2:57 PM Alexandre Torgue
> <alexandre.torgue@...com> wrote:
> 
>> Register a new GPIO bank only if GPIO bank node is enabled. This patch also
>> adds checks on ranges which are defined only if a bank is registered.
>>
>> Signed-off-by: Alexandre Torgue <alexandre.torgue@...com>
> 
> Patch applied.
> 
Thanks

> Alexandre can you check the discussion we've had about using
> GPIOLIB_IRQCHIP for multi-bank GPIOs with several IRQ
> lines as per drivers/gpio/gpio-tegra186.c?
> 
> Is this approach applicable for STM32 so we can pull
> more stuff in under GPIOLIB_IRQCHIP?
> 
Ok. I'm going to check what's possible to do. I let you know soon.

regards
Alex

> Yours,
> Linus Walleij
>