Re: [PATCH v2 1/4] staging: iio: ad5933: add SPDX identifier

[Jonathan Cameron <jic23@kernel.org>]

On Thu, 28 Feb 2019 23:52:30 -0300
Marcelo Schmitt <marcelo.schmitt1@gmail.com> wrote:

> Add SPDX identifier of GPL-2.0 for the ad5933 driver.
> Organize imports.
> Make multi-line comments compliant with the preferred code style.

One type of change per patch please.
So this is at least 3 patches.
SPDX,
Imports,
comment style.

Actual contents looks fine.

Jonathan

> 
> Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
> ---
>  .../staging/iio/impedance-analyzer/ad5933.c   | 30 ++++++++++---------
>  1 file changed, 16 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
> index 3134295f014f..d75bdfbf93de 100644
> --- a/drivers/staging/iio/impedance-analyzer/ad5933.c
> +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
> @@ -1,27 +1,26 @@
> +// SPDX-License-Identifier: GPL-2.0
>  /*
>   * AD5933 AD5934 Impedance Converter, Network Analyzer
>   *
>   * Copyright 2011 Analog Devices Inc.
> - *
> - * Licensed under the GPL-2.
>   */
>  
> -#include <linux/interrupt.h>
> +#include <linux/clk.h>
> +#include <linux/delay.h>
>  #include <linux/device.h>
> -#include <linux/kernel.h>
> -#include <linux/sysfs.h>
> +#include <linux/err.h>
>  #include <linux/i2c.h>
> +#include <linux/interrupt.h>
> +#include <linux/kernel.h>
> +#include <linux/module.h>
>  #include <linux/regulator/consumer.h>
> +#include <linux/sysfs.h>
>  #include <linux/types.h>
> -#include <linux/err.h>
> -#include <linux/delay.h>
> -#include <linux/module.h>
> -#include <linux/clk.h>
>  
> -#include <linux/iio/iio.h>
> -#include <linux/iio/sysfs.h>
>  #include <linux/iio/buffer.h>
> +#include <linux/iio/iio.h>
>  #include <linux/iio/kfifo_buf.h>
> +#include <linux/iio/sysfs.h>
>  
>  /* AD5933/AD5934 Registers */
>  #define AD5933_REG_CONTROL_HB		0x80	/* R/W, 1 byte */
> @@ -474,7 +473,8 @@ static IIO_DEVICE_ATTR(out_voltage0_settling_cycles, 0644,
>  			ad5933_store,
>  			AD5933_OUT_SETTLING_CYCLES);
>  
> -/* note:
> +/*
> + * note:
>   * ideally we would handle the scale attributes via the iio_info
>   * (read|write)_raw methods, however this part is a untypical since we
>   * don't create dedicated sysfs channel attributes for out0 and in0.
> @@ -572,7 +572,8 @@ static int ad5933_ring_postenable(struct iio_dev *indio_dev)
>  {
>  	struct ad5933_state *st = iio_priv(indio_dev);
>  
> -	/* AD5933_CTRL_INIT_START_FREQ:
> +	/*
> +	 * AD5933_CTRL_INIT_START_FREQ:
>  	 * High Q complex circuits require a long time to reach steady state.
>  	 * To facilitate the measurement of such impedances, this mode allows
>  	 * the user full control of the settling time requirement before
> @@ -663,7 +664,8 @@ static void ad5933_work(struct work_struct *work)
>  	}
>  
>  	if (status & AD5933_STAT_SWEEP_DONE) {
> -		/* last sample received - power down do
> +		/*
> +		 * last sample received - power down do
>  		 * nothing until the ring enable is toggled
>  		 */
>  		ad5933_cmd(st, AD5933_CTRL_POWER_DOWN);