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

From: Julia Lawall
Date: Sat Aug 23 2014 - 11:32:56 EST




On Sat, 23 Aug 2014, Josh Triplett wrote:

> On Sat, Aug 23, 2014 at 01:20:30PM +0200, Julia Lawall wrote:
> > From: Julia Lawall <Julia.Lawall@xxxxxxx>
> >
> > 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@xxxxxxx>
>
> One comment below about formatting. With that addressed:
> Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
>
> > --- 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.)

In general, I haven't changed the presence or absence of trailing commas.
Should I add them everywhere?

julia
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