linux-kernel - Re: [PATCH v1 1/1] iio: adc: vf610_adc: Make use of device properties

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Message-ID: <20220603183347.1122fd21@jic23-huawei>
Date:   Fri, 3 Jun 2022 18:33:47 +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,
        linux-imx@....com, Lars-Peter Clausen <lars@...afoo.de>,
        Haibo Chen <haibo.chen@....com>
Subject: Re: [PATCH v1 1/1] iio: adc: vf610_adc: Make use of device
 properties

On Tue, 31 May 2022 17:23:53 +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.
> 
> Add mod_devicetable.h include.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Applied,

J
> ---
>  drivers/iio/adc/Kconfig     |  1 -
>  drivers/iio/adc/vf610_adc.c | 15 ++++++---------
>  2 files changed, 6 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
> index 3b6a80786b51..448ae243cd31 100644
> --- a/drivers/iio/adc/Kconfig
> +++ b/drivers/iio/adc/Kconfig
> @@ -1257,7 +1257,6 @@ config TWL6030_GPADC
>  
>  config VF610_ADC
>  	tristate "Freescale vf610 ADC driver"
> -	depends on OF
>  	depends on HAS_IOMEM
>  	select IIO_BUFFER
>  	select IIO_TRIGGERED_BUFFER
> diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c
> index c84293efc129..c6b16cf6e367 100644
> --- a/drivers/iio/adc/vf610_adc.c
> +++ b/drivers/iio/adc/vf610_adc.c
> @@ -5,7 +5,9 @@
>   * Copyright 2013 Freescale Semiconductor, Inc.
>   */
>  
> +#include <linux/mod_devicetable.h>
>  #include <linux/module.h>
> +#include <linux/property.h>
>  #include <linux/platform_device.h>
>  #include <linux/interrupt.h>
>  #include <linux/delay.h>
> @@ -14,10 +16,7 @@
>  #include <linux/io.h>
>  #include <linux/clk.h>
>  #include <linux/completion.h>
> -#include <linux/of.h>
> -#include <linux/of_irq.h>
>  #include <linux/regulator/consumer.h>
> -#include <linux/of_platform.h>
>  #include <linux/err.h>
>  
>  #include <linux/iio/iio.h>
> @@ -799,6 +798,7 @@ MODULE_DEVICE_TABLE(of, vf610_adc_match);
>  
>  static int vf610_adc_probe(struct platform_device *pdev)
>  {
> +	struct device *dev = &pdev->dev;
>  	struct vf610_adc *info;
>  	struct iio_dev *indio_dev;
>  	int irq;
> @@ -846,13 +846,10 @@ static int vf610_adc_probe(struct platform_device *pdev)
>  
>  	info->vref_uv = regulator_get_voltage(info->vref);
>  
> -	of_property_read_u32_array(pdev->dev.of_node, "fsl,adck-max-frequency",
> -			info->max_adck_rate, 3);
> +	device_property_read_u32_array(dev, "fsl,adck-max-frequency", info->max_adck_rate, 3);
>  
> -	ret = of_property_read_u32(pdev->dev.of_node, "min-sample-time",
> -			&info->adc_feature.default_sample_time);
> -	if (ret)
> -		info->adc_feature.default_sample_time = DEFAULT_SAMPLE_TIME;
> +	info->adc_feature.default_sample_time = DEFAULT_SAMPLE_TIME;
> +	device_property_read_u32(dev, "min-sample-time", &info->adc_feature.default_sample_time);
>  
>  	platform_set_drvdata(pdev, indio_dev);
>