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

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Date:   Sun, 29 Jul 2018 22:11:36 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Alexandre TORGUE <alexandre.torgue@...com>
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

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.

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?

Yours,
Linus Walleij