linux-kernel - Re: [PATCH 8/9] video: fbdev: aty: use c99 initializers in structures

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Date:	Sat, 23 Aug 2014 08:20:15 -0700
From:	Josh Triplett <josh@...htriplett.org>
To:	Julia Lawall <Julia.Lawall@...6.fr>
Cc:	Paul Mackerras <paulus@...ba.org>, kernel-janitors@...r.kernel.org,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 8/9] video: fbdev: aty: use c99 initializers in structures

On Sat, Aug 23, 2014 at 01:20:30PM +0200, Julia Lawall wrote:
> From: Julia Lawall <Julia.Lawall@...6.fr>
> 
> Use c99 initializers for structures.
> 
> A simplified version of the semantic match that finds this problem is as
> follows: (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @decl@
> identifier i1,fld;
> type T;
> field list[n] fs;
> @@
> 
> struct i1 {
>  fs
>  T fld;
>  ...};
> 
> @bad@
> identifier decl.i1,i2;
> expression e;
> initializer list[decl.n] is;
> @@
> 
> struct i1 i2 = { is,
> + .fld = e
> - e
>  ,...};
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

One comment below about formatting.  With that addressed:
Reviewed-by: Josh Triplett <josh@...htriplett.org>

> --- a/drivers/video/fbdev/aty/aty128fb.c
> +++ b/drivers/video/fbdev/aty/aty128fb.c
> @@ -324,14 +324,57 @@ struct aty128_meminfo {
>  };
>  
>  /* various memory configurations */
> -static const struct aty128_meminfo sdr_128   =
> -	{ 4, 4, 3, 3, 1, 3, 1, 16, 30, 16, "128-bit SDR SGRAM (1:1)" };
> -static const struct aty128_meminfo sdr_64    =
> -	{ 4, 8, 3, 3, 1, 3, 1, 17, 46, 17, "64-bit SDR SGRAM (1:1)" };
> -static const struct aty128_meminfo sdr_sgram =
> -	{ 4, 4, 1, 2, 1, 2, 1, 16, 24, 16, "64-bit SDR SGRAM (2:1)" };
> -static const struct aty128_meminfo ddr_sgram =
> -	{ 4, 4, 3, 3, 2, 3, 1, 16, 31, 16, "64-bit DDR SGRAM" };
> +static const struct aty128_meminfo sdr_128 = {
> +	.ML = 4,
> +	.MB = 4,
> +	.Trcd = 3,
> +	.Trp = 3,
> +	.Twr = 1,
> +	.CL = 3,
> +	.Tr2w = 1,
> +	.LoopLatency = 16,
> +	.DspOn = 30,
> +	.Rloop = 16,
> +	.name = "128-bit SDR SGRAM (1:1)" };

The closing brace should be in column 0 of the next line.  Also, the
final field initializer should have a comma after it. (Likewise for the
remaining changes in this file.)

- Josh Triplett
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