linux-kernel - Re: [PATCH v1 1/1] iio: gyro: mpu3050: Make use of device properties

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Date:   Sat, 16 Apr 2022 12:18:40 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>,
        Lars-Peter Clausen <lars@...afoo.de>
Subject: Re: [PATCH v1 1/1] iio: gyro: mpu3050: Make use of device
 properties

On Wed, 13 Apr 2022 19:30:04 +0300
Andy Shevchenko <andriy.shevchenko@...ux.intel.com> wrote:

> Convert the module to be property provider agnostic and allow
> it to be used on non-OF platforms.
> 
> While at it, reuse temporary device pointer in the same function.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Applied. Thanks,

Jonathan

> ---
>  drivers/iio/gyro/mpu3050-core.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/iio/gyro/mpu3050-core.c b/drivers/iio/gyro/mpu3050-core.c
> index ea387efab62d..a2dafdb64692 100644
> --- a/drivers/iio/gyro/mpu3050-core.c
> +++ b/drivers/iio/gyro/mpu3050-core.c
> @@ -26,6 +26,7 @@
>  #include <linux/interrupt.h>
>  #include <linux/module.h>
>  #include <linux/pm_runtime.h>
> +#include <linux/property.h>
>  #include <linux/random.h>
>  #include <linux/slab.h>
>  
> @@ -1050,6 +1051,7 @@ static const struct iio_trigger_ops mpu3050_trigger_ops = {
>  static int mpu3050_trigger_probe(struct iio_dev *indio_dev, int irq)
>  {
>  	struct mpu3050 *mpu3050 = iio_priv(indio_dev);
> +	struct device *dev = mpu3050->dev;
>  	unsigned long irq_trig;
>  	int ret;
>  
> @@ -1061,8 +1063,7 @@ static int mpu3050_trigger_probe(struct iio_dev *indio_dev, int irq)
>  		return -ENOMEM;
>  
>  	/* Check if IRQ is open drain */
> -	if (of_property_read_bool(mpu3050->dev->of_node, "drive-open-drain"))
> -		mpu3050->irq_opendrain = true;
> +	mpu3050->irq_opendrain = device_property_read_bool(dev, "drive-open-drain");
>  
>  	irq_trig = irqd_get_trigger_type(irq_get_irq_data(irq));
>  	/*
> @@ -1118,13 +1119,12 @@ static int mpu3050_trigger_probe(struct iio_dev *indio_dev, int irq)
>  				   mpu3050->trig->name,
>  				   mpu3050->trig);
>  	if (ret) {
> -		dev_err(mpu3050->dev,
> -			"can't get IRQ %d, error %d\n", irq, ret);
> +		dev_err(dev, "can't get IRQ %d, error %d\n", irq, ret);
>  		return ret;
>  	}
>  
>  	mpu3050->irq = irq;
> -	mpu3050->trig->dev.parent = mpu3050->dev;
> +	mpu3050->trig->dev.parent = dev;
>  	mpu3050->trig->ops = &mpu3050_trigger_ops;
>  	iio_trigger_set_drvdata(mpu3050->trig, indio_dev);
>