ASoC: rsnd: make some arrays static const, makes object smaller
authorColin Ian King <colin.king@canonical.com>
Sun, 1 Aug 2021 06:32:37 +0000 (07:32 +0100)
committerMark Brown <broonie@kernel.org>
Mon, 2 Aug 2021 11:14:05 +0000 (12:14 +0100)
Don't populate arrays on the stack but instead them static const.
Makes the object code smaller by 242 bytes.

Before:
   text    data     bss     dec     hex filename
  23827    8764       0   32591    7f4f ./sound/soc/sh/rcar/ssi.o

After:
   text    data     bss     dec     hex filename
  23361    8988       0   32349    7e5d ./sound/soc/sh/rcar/ssi.o

gcc version 10.2.0)

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20210801063237.137998-1-colin.king@canonical.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/sh/rcar/ssi.c

index 27f34ca6059d13698a9eb0f8d92bedddaefd5b66..87e606f688d3f4242989422cc5038f97bcac141a 100644 (file)
@@ -165,7 +165,7 @@ static void rsnd_ssi_status_check(struct rsnd_mod *mod,
 
 static u32 rsnd_ssi_multi_secondaries(struct rsnd_dai_stream *io)
 {
-       enum rsnd_mod_type types[] = {
+       static const enum rsnd_mod_type types[] = {
                RSND_MOD_SSIM1,
                RSND_MOD_SSIM2,
                RSND_MOD_SSIM3,
@@ -228,7 +228,7 @@ unsigned int rsnd_ssi_clk_query(struct rsnd_dai *rdai,
                       int param1, int param2, int *idx)
 {
        struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
-       int ssi_clk_mul_table[] = {
+       static const int ssi_clk_mul_table[] = {
                1, 2, 4, 8, 16, 6, 12,
        };
        int j, ret;
@@ -1079,7 +1079,7 @@ static void rsnd_ssi_connect(struct rsnd_mod *mod,
                             struct rsnd_dai_stream *io)
 {
        struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
-       enum rsnd_mod_type types[] = {
+       static const enum rsnd_mod_type types[] = {
                RSND_MOD_SSI,
                RSND_MOD_SSIM1,
                RSND_MOD_SSIM2,