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Date:   Sun, 4 Dec 2022 15:46:21 +0000
From:   Jonathan Cameron <jic23@kernel.org>
To:     <ye.xingchen@zte.com.cn>
Cc:     <eugen.hristev@microchip.com>, <lars@metafoo.de>,
        <nicolas.ferre@microchip.com>, <alexandre.belloni@bootlin.com>,
        <claudiu.beznea@microchip.com>, <linux-iio@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] iio: adc: at91-sama5d2_adc: use sysfs_emit() to instead
 of   scnprintf()
Message-ID: <20221204154621.3b76d888@jic23-huawei>
In-Reply-To: <202212011142333790361@zte.com.cn>
References: <202212011142333790361@zte.com.cn>
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On Thu, 1 Dec 2022 11:42:33 +0800 (CST)
<ye.xingchen@zte.com.cn> wrote:

> From: ye xingchen <ye.xingchen@zte.com.cn>
> 
> Replace the open-code with sysfs_emit() to simplify the code.
> 
> Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Applied. 

Thanks,

Jonathan

> ---
>  drivers/iio/adc/at91-sama5d2_adc.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c
> index ed4f8501bda8..50d02e5fc6fc 100644
> --- a/drivers/iio/adc/at91-sama5d2_adc.c
> +++ b/drivers/iio/adc/at91-sama5d2_adc.c
> @@ -2181,7 +2181,7 @@ static ssize_t at91_adc_get_fifo_state(struct device *dev,
>  	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
>  	struct at91_adc_state *st = iio_priv(indio_dev);
> 
> -	return scnprintf(buf, PAGE_SIZE, "%d\n", !!st->dma_st.dma_chan);
> +	return sysfs_emit(buf, "%d\n", !!st->dma_st.dma_chan);
>  }
> 
>  static ssize_t at91_adc_get_watermark(struct device *dev,
> @@ -2190,7 +2190,7 @@ static ssize_t at91_adc_get_watermark(struct device *dev,
>  	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
>  	struct at91_adc_state *st = iio_priv(indio_dev);
> 
> -	return scnprintf(buf, PAGE_SIZE, "%d\n", st->dma_st.watermark);
> +	return sysfs_emit(buf, "%d\n", st->dma_st.watermark);
>  }
> 
>  static IIO_DEVICE_ATTR(hwfifo_enabled, 0444,