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Message-ID: <8fae735c-c227-4f60-8ba8-8cb13dfb2626@linaro.org>
Date:   Mon, 6 Nov 2023 10:24:58 +0100
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Subject: Re: [PATCH 1/3] iio: adc: ad7192: Use device api
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To:     alisadariana@gmail.com
Cc:     Alisa-Dariana Roman <alisa.roman@analog.com>,
        Alexandru Tachici <alexandru.tachici@analog.com>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Michael Hennerich <Michael.Hennerich@analog.com>,
        Jonathan Cameron <jic23@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Maksim Kiselev <bigunclemax@gmail.com>,
        Cosmin Tanislav <demonsingur@gmail.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Liam Beguin <liambeguin@gmail.com>,
        Marius Cristea <marius.cristea@microchip.com>,
        Ibrahim Tilki <Ibrahim.Tilki@analog.com>,
        ChiaEn Wu <chiaen_wu@richtek.com>,
        Ivan Mikhaylov <fr0st61te@gmail.com>,
        Marcus Folkesson <marcus.folkesson@gmail.com>,
        linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <20231105193132.47009-1-alisadariana@gmail.com>
 <20231105193132.47009-2-alisadariana@gmail.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <20231105193132.47009-2-alisadariana@gmail.com>
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Precedence: bulk

On 05/11/2023 20:31, alisadariana@gmail.com wrote:
> From: Alisa-Dariana Roman <alisa.roman@analog.com>
> 
> Replace of.h and corresponding functions with preferred device specific
> functions.
> 
> Also replace of_device_get_match_data function with
> spi_get_device_match_data.
> 
> Signed-off-by: Alisa-Dariana Roman <alisa.roman@analog.com>
> ---
>  drivers/iio/adc/ad7192.c | 32 +++++++++++++++-----------------
>  1 file changed, 15 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c
> index adc3cbe92d6e..48e0357564af 100644
> --- a/drivers/iio/adc/ad7192.c
> +++ b/drivers/iio/adc/ad7192.c
> @@ -17,7 +17,6 @@
>  #include <linux/err.h>
>  #include <linux/sched.h>
>  #include <linux/delay.h>
> -#include <linux/of.h>
>  
>  #include <linux/iio/iio.h>
>  #include <linux/iio/sysfs.h>
> @@ -364,19 +363,19 @@ static inline bool ad7192_valid_external_frequency(u32 freq)
>  		freq <= AD7192_EXT_FREQ_MHZ_MAX);
>  }
>  
> -static int ad7192_of_clock_select(struct ad7192_state *st)
> +static int ad7192_device_clock_select(struct ad7192_state *st)
>  {
> -	struct device_node *np = st->sd.spi->dev.of_node;
> +	struct device *dev = &st->sd.spi->dev;
>  	unsigned int clock_sel;
>  
>  	clock_sel = AD7192_CLK_INT;
>  
>  	/* use internal clock */
>  	if (!st->mclk) {
> -		if (of_property_read_bool(np, "adi,int-clock-output-enable"))
> +		if (device_property_read_bool(dev, "adi,int-clock-output-enable"))
>  			clock_sel = AD7192_CLK_INT_CO;
>  	} else {
> -		if (of_property_read_bool(np, "adi,clock-xtal"))
> +		if (device_property_read_bool(dev, "adi,clock-xtal"))
>  			clock_sel = AD7192_CLK_EXT_MCLK1_2;
>  		else
>  			clock_sel = AD7192_CLK_EXT_MCLK2;
> @@ -385,9 +384,10 @@ static int ad7192_of_clock_select(struct ad7192_state *st)
>  	return clock_sel;
>  }
>  
> -static int ad7192_setup(struct iio_dev *indio_dev, struct device_node *np)
> +static int ad7192_setup(struct iio_dev *indio_dev)
>  {
>  	struct ad7192_state *st = iio_priv(indio_dev);
> +	struct device *dev = &st->sd.spi->dev;
>  	bool rej60_en, refin2_en;
>  	bool buf_en, bipolar, burnout_curr_en;
>  	unsigned long long scale_uv;
> @@ -416,26 +416,26 @@ static int ad7192_setup(struct iio_dev *indio_dev, struct device_node *np)
>  
>  	st->conf = FIELD_PREP(AD7192_CONF_GAIN_MASK, 0);
>  
> -	rej60_en = of_property_read_bool(np, "adi,rejection-60-Hz-enable");
> +	rej60_en = device_property_read_bool(dev, "adi,rejection-60-Hz-enable");

Not strictly related to your patch, but where are these properties
documented?


Best regards,
Krzysztof