[PATCH 4/8] staging: et131x: Use for loop to initialise contiguous macstat registers to zero

[David Laight]

From: Mark Einon
> Replace a long list of contiguous writel() calls with a for loop iterating
> over the same address values.
> 
> Also remove redundant comments on the macstat registers, the variable names
> are good enough.
...
> -	writel(0, &macstat->txrx_0_64_byte_frames);
...
> -	writel(0, &macstat->carry_reg2);
> +	/* initialize all the macstat registers to zero on the device  */
> +	for (reg = &macstat->txrx_0_64_byte_frames;
> +	     reg <= &macstat->carry_reg2; reg++)
> +		writel(0, reg);
...
>  struct macstat_regs {			/* Location: */
>  	u32 pad[32];			/*  0x6000 - 607C */
> 
> -	/* Tx/Rx 0-64 Byte Frame Counter */
> +	/* counters */
>  	u32 txrx_0_64_byte_frames;	/*  0x6080 */
> -
> -	/* Tx/Rx 65-127 Byte Frame Counter */
>  	u32 txrx_65_127_byte_frames;	/*  0x6084 */

I think it would be best to also convert the stats counters to an array.

	David