linux-kernel - Re: [PATCH 1/3] iio: health: afe440x: Remove code in comments

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Date:   Fri, 31 Mar 2017 11:33:50 -0700
From:   Joe Perches <joe@...ches.com>
To:     simran singhal <singhalsimran0@...il.com>, jic23@...nel.org
Cc:     knaack.h@....de, lars@...afoo.de, pmeerw@...erw.net,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] iio: health: afe440x: Remove code in comments

On Fri, 2017-03-31 at 22:16 +0530, simran singhal wrote:
> Commenting out code is a bad idea.
> As comments are for explaining what code is about.

patch doesn't match commit message.

> Signed-off-by: simran singhal <singhalsimran0@...il.com>
> ---
>  drivers/iio/health/afe440x.h | 58 --------------------------------------------
>  1 file changed, 58 deletions(-)
> 
> diff --git a/drivers/iio/health/afe440x.h b/drivers/iio/health/afe440x.h
> index 1a0f247..71e2f0e 100644
> --- a/drivers/iio/health/afe440x.h
> +++ b/drivers/iio/health/afe440x.h
> @@ -88,56 +88,11 @@
>  #define AFE440X_CONTROL0_WRITE		0x0
>  #define AFE440X_CONTROL0_READ		0x1
>  
> -#define AFE440X_INTENSITY_CHAN(_index, _mask)			\
> -	{							\
> -		.type = IIO_INTENSITY,				\
> -		.channel = _index,				\
> -		.address = _index,				\
> -		.scan_index = _index,				\
> -		.scan_type = {					\
> -				.sign = 's',			\
> -				.realbits = 24,			\
> -				.storagebits = 32,		\
> -				.endianness = IIO_CPU,		\
> -		},						\
> -		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |	\
> -			_mask,					\
> -		.indexed = true,				\
> -	}
> -
> -#define AFE440X_CURRENT_CHAN(_index)				\
> -	{							\
> -		.type = IIO_CURRENT,				\
> -		.channel = _index,				\
> -		.address = _index,				\
> -		.scan_index = -1,				\
> -		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |	\
> -			BIT(IIO_CHAN_INFO_SCALE),		\
> -		.indexed = true,				\
> -		.output = true,					\
> -	}
> -
>  struct afe440x_val_table {
>  	int integer;
>  	int fract;
>  };
>  
> -#define AFE440X_TABLE_ATTR(_name, _table)				\
> -static ssize_t _name ## _show(struct device *dev,			\
> -			      struct device_attribute *attr, char *buf)	\
> -{									\
> -	ssize_t len = 0;						\
> -	int i;								\
> -									\
> -	for (i = 0; i < ARRAY_SIZE(_table); i++)			\
> -		len += scnprintf(buf + len, PAGE_SIZE - len, "%d.%06u ", \
> -				 _table[i].integer,			\
> -				 _table[i].fract);			\
> -									\
> -	buf[len - 1] = '\n';						\
> -									\
> -	return len;							\
> -}									\
>  static DEVICE_ATTR_RO(_name)
>  
>  struct afe440x_attr {
> @@ -147,17 +102,4 @@ struct afe440x_attr {
>  	unsigned int table_size;
>  };
>  
> -#define to_afe440x_attr(_dev_attr)				\
> -	container_of(_dev_attr, struct afe440x_attr, dev_attr)
> -
> -#define AFE440X_ATTR(_name, _field, _table)			\
> -	struct afe440x_attr afe440x_attr_##_name = {		\
> -		.dev_attr = __ATTR(_name, (S_IRUGO | S_IWUSR),	\
> -				   afe440x_show_register,	\
> -				   afe440x_store_register),	\
> -		.field = _field,				\
> -		.val_table = _table,				\
> -		.table_size = ARRAY_SIZE(_table),		\
> -	}
> -
>  #endif /* _AFE440X_H */