Re: [Outreachy kernel] [PATCH 1/7] staging: vt6655: Introduce `idx` temporary variable

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On 28-10-2021 16:05, Karolina Drobnik wrote:
> Add a local variable to store `MISCFIFO_SYNDATA_IDX` offset.
> This change helps in shortening the lines in `rf.c` that
> are deemed too long by checkpatch.pl.
> 
> Signed-off-by: Karolina Drobnik <karolinadrobnik@xxxxxxxxx>
> ---
>  drivers/staging/vt6655/rf.c | 17 +++++++++--------
>  1 file changed, 9 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/staging/vt6655/rf.c b/drivers/staging/vt6655/rf.c
> index bc4abe77db7b..f195dafb6e63 100644
> --- a/drivers/staging/vt6655/rf.c
> +++ b/drivers/staging/vt6655/rf.c
> @@ -681,6 +681,7 @@ bool RFvWriteWakeProgSyn(struct vnt_private *priv, unsigned char rf_type,
>  {
>  	void __iomem *iobase = priv->port_offset;
>  	int i;

Why not to make *i* as unsigned short and get rid of all the type conversions below ?

> +	unsigned short idx = MISCFIFO_SYNDATA_IDX;
>  	unsigned char init_count = 0;
>  	unsigned char sleep_count = 0;
>  
> @@ -699,11 +700,11 @@ bool RFvWriteWakeProgSyn(struct vnt_private *priv, unsigned char rf_type,
>  			return false;
>  
>  		for (i = 0; i < CB_AL2230_INIT_SEQ; i++)
> -			MACvSetMISCFifo(priv, (unsigned short)(MISCFIFO_SYNDATA_IDX + i), al2230_init_table[i]);
> +			MACvSetMISCFifo(priv, (unsigned short)(idx + i), al2230_init_table[i]);
>  
> -		MACvSetMISCFifo(priv, (unsigned short)(MISCFIFO_SYNDATA_IDX + i), al2230_channel_table0[channel - 1]);
> +		MACvSetMISCFifo(priv, (unsigned short)(idx + i), al2230_channel_table0[channel - 1]);
>  		i++;
> -		MACvSetMISCFifo(priv, (unsigned short)(MISCFIFO_SYNDATA_IDX + i), al2230_channel_table1[channel - 1]);
> +		MACvSetMISCFifo(priv, (unsigned short)(idx + i), al2230_channel_table1[channel - 1]);
>  		break;
>  
>  		/* Need to check, PLLON need to be low for channel setting */
> @@ -716,17 +717,17 @@ bool RFvWriteWakeProgSyn(struct vnt_private *priv, unsigned char rf_type,
>  
>  		if (channel <= CB_MAX_CHANNEL_24G) {
>  			for (i = 0; i < CB_AL7230_INIT_SEQ; i++)
> -				MACvSetMISCFifo(priv, (unsigned short)(MISCFIFO_SYNDATA_IDX + i), al7230_init_table[i]);
> +				MACvSetMISCFifo(priv, (unsigned short)(idx + i), al7230_init_table[i]);
>  		} else {
>  			for (i = 0; i < CB_AL7230_INIT_SEQ; i++)
> -				MACvSetMISCFifo(priv, (unsigned short)(MISCFIFO_SYNDATA_IDX + i), al7230_init_table_a_mode[i]);
> +				MACvSetMISCFifo(priv, (unsigned short)(idx + i), al7230_init_table_a_mode[i]);
>  		}
>  
> -		MACvSetMISCFifo(priv, (unsigned short)(MISCFIFO_SYNDATA_IDX + i), al7230_channel_table0[channel - 1]);
> +		MACvSetMISCFifo(priv, (unsigned short)(idx + i), al7230_channel_table0[channel - 1]);
>  		i++;
> -		MACvSetMISCFifo(priv, (unsigned short)(MISCFIFO_SYNDATA_IDX + i), al7230_channel_table1[channel - 1]);
> +		MACvSetMISCFifo(priv, (unsigned short)(idx + i), al7230_channel_table1[channel - 1]);
>  		i++;
> -		MACvSetMISCFifo(priv, (unsigned short)(MISCFIFO_SYNDATA_IDX + i), al7230_channel_table2[channel - 1]);
> +		MACvSetMISCFifo(priv, (unsigned short)(idx + i), al7230_channel_table2[channel - 1]);
>  		break;
>  
>  	case RF_NOTHING:
> 

Regards,

~Praveen.




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