linux-kernel - Re: [PATCH 3/6] iio: chemical: scd30: add serial interface driver

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Date:   Wed, 22 Apr 2020 22:55:05 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Tomasz Duszynski <tomasz.duszynski@...akon.com>
Cc:     linux-iio <linux-iio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Jonathan Cameron <jic23@...nel.org>
Subject: Re: [PATCH 3/6] iio: chemical: scd30: add serial interface driver

On Wed, Apr 22, 2020 at 5:22 PM Tomasz Duszynski
<tomasz.duszynski@...akon.com> wrote:
>
> Add serial interface driver for the SCD30 sensor.

...

> +#include <linux/of_irq.h>

Do you need this?

> +static int scd30_serdev_probe(struct serdev_device *serdev)
> +{
> +       struct device *dev = &serdev->dev;
> +       struct scd30_serdev_priv *priv;
> +       int irq, ret;
> +
> +       priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
> +       if (!priv)
> +               return -ENOMEM;

> +       irq = of_irq_get(dev->of_node, 0);

fwnode_irq_get() ?

> +       if (irq <= 0)
> +               irq = 0;
> +
> +       return scd30_probe(dev, irq, KBUILD_MODNAME, priv,
> +                          scd30_serdev_command);
> +}

-- 
With Best Regards,
Andy Shevchenko