linux-kernel - [PATCH] ASoC: tlv320aic32x4: make array clocks static, makes object smaller

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Date:   Sun,  1 Aug 2021 07:48:07 +0100
From:   Colin King <colin.king@...onical.com>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ASoC: tlv320aic32x4: make array clocks static, makes object smaller

From: Colin Ian King <colin.king@...onical.com>

Don't populate the array clocks on the stack but instead it
static. Makes the object code smaller by 316 bytes.

Before:
   text    data     bss     dec     hex filename
  63668   28264       0   91932   1671c ./sound/soc/codecs/tlv320aic32x4.o

After:
   text    data     bss     dec     hex filename
  62616   29000       0   91616   165e0 ./sound/soc/codecs/tlv320aic32x4.o

(gcc version 10.2.0)

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 sound/soc/codecs/tlv320aic32x4.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/tlv320aic32x4.c b/sound/soc/codecs/tlv320aic32x4.c
index 254a016cb1f3..d31ffb6d5b4b 100644
--- a/sound/soc/codecs/tlv320aic32x4.c
+++ b/sound/soc/codecs/tlv320aic32x4.c
@@ -714,7 +714,7 @@ static int aic32x4_setup_clocks(struct snd_soc_component *component,
 	unsigned long adc_clock_rate, dac_clock_rate;
 	int ret;
 
-	struct clk_bulk_data clocks[] = {
+	static struct clk_bulk_data clocks[] = {
 		{ .id = "pll" },
 		{ .id = "nadc" },
 		{ .id = "madc" },
@@ -878,7 +878,7 @@ static int aic32x4_set_bias_level(struct snd_soc_component *component,
 {
 	int ret;
 
-	struct clk_bulk_data clocks[] = {
+	static struct clk_bulk_data clocks[] = {
 		{ .id = "madc" },
 		{ .id = "mdac" },
 		{ .id = "bdiv" },
@@ -994,7 +994,7 @@ static int aic32x4_component_probe(struct snd_soc_component *component)
 	u32 tmp_reg;
 	int ret;
 
-	struct clk_bulk_data clocks[] = {
+	static struct clk_bulk_data clocks[] = {
 		{ .id = "codec_clkin" },
 		{ .id = "pll" },
 		{ .id = "bdiv" },
@@ -1144,7 +1144,7 @@ static int aic32x4_tas2505_component_probe(struct snd_soc_component *component)
 	u32 tmp_reg;
 	int ret;
 
-	struct clk_bulk_data clocks[] = {
+	static struct clk_bulk_data clocks[] = {
 		{ .id = "codec_clkin" },
 		{ .id = "pll" },
 		{ .id = "bdiv" },
-- 
2.31.1