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Date:   Sun, 28 Feb 2021 09:06:07 +0100
From:   Lars-Peter Clausen <lars@...afoo.de>
To:     Alexandru Ardelean <alexandru.ardelean@...log.com>,
        linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org
Cc:     Michael.Hennerich@...log.com, jic23@...nel.org, nuno.sa@...log.com,
        dragos.bogdan@...log.com
Subject: Re: [PATCH v6 02/24] iio: kfifo: add devm_iio_kfifo_buffer_setup()
 helper

On 2/15/21 11:40 AM, Alexandru Ardelean wrote:
> +int devm_iio_kfifo_buffer_setup(struct device *dev,
> +				struct iio_dev *indio_dev,
> +				int mode_flags,
> +				const struct iio_buffer_setup_ops *setup_ops)
> +{
> +	struct iio_buffer *buffer;
> +
> +	if (mode_flags)
> +		mode_flags &= kfifo_access_funcs.modes;

The if seems unnecessary. If it is 0 and we AND it with something it is 
still 0.

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