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authorJulia Lawall <Julia.Lawall@lip6.fr>2016-10-15 16:55:45 +0200
committerMark Brown <broonie@kernel.org>2016-10-24 18:32:22 +0100
commitd5bc18c148fd3d3ab7cbd3d976f7e27226f74dd8 (patch)
tree01138e189d2ca5e90688de1e68f13e02a3dc2347 /tools/perf/scripts/python/call-graph-from-postgresql.py
parent89c03ddbb9aafe370e7d1ebe07258ae755588bdc (diff)
ASoC: intel: broadwell: constify snd_soc_ops structures
Check for snd_soc_ops structures that are only stored in the ops field of a snd_soc_dai_link structure. This field is declared const, so snd_soc_ops structures that have this property can be declared as const also. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct snd_soc_ops i@p = { ... }; @ok1@ identifier r.i; struct snd_soc_dai_link e; position p; @@ e.ops = &i@p; @ok2@ identifier r.i, e; position p; @@ struct snd_soc_dai_link e[] = { ..., { .ops = &i@p, }, ..., }; @bad@ position p != {r.p,ok1.p,ok2.p}; identifier r.i; struct snd_soc_ops e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct snd_soc_ops i = { ... }; // </smpl> The effect on the layout of the .o file is shown by the following output of the size command, first before then after the transformation: text data bss dec hex filename 3865 2784 384 7033 1b79 sound/soc/intel/boards/broadwell.o 3929 2720 384 7033 1b79 sound/soc/intel/boards/broadwell.o Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Jie Yang <yang.jie@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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