ASoC: rsnd: cleanup ppcheck warning for adg.c

This patch cleanups below ppcheck warning.

sound/soc/sh/rcar/adg.c:67:9: style: The scope of the variable 'ratio' can be reduced. [variableScope]
 int i, ratio;
        ^
sound/soc/sh/rcar/adg.c:114:6: style: The scope of the variable 'idx' can be reduced. [variableScope]
 int idx, sel, div, step;
     ^
sound/soc/sh/rcar/adg.c:114:21: style: The scope of the variable 'step' can be reduced. [variableScope]
 int idx, sel, div, step;
                    ^
sound/soc/sh/rcar/adg.c:397:14: style: The scope of the variable 'clk' can be reduced. [variableScope]
 struct clk *clk;
             ^

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87ft1lro24.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c
index abdfd9c..0b8ae3e 100644 (file)
--- a/sound/soc/sh/rcar/adg.c
+++ b/sound/soc/sh/rcar/adg.c
@@ -64,13 +64,13 @@ static const char * const clk_name[] = {
 
 static u32 rsnd_adg_calculate_rbgx(unsigned long div)
 {
-       int i, ratio;
+       int i;
 
        if (!div)
                return 0;
 
        for (i = 3; i >= 0; i--) {
-               ratio = 2 << (i * 2);
+               int ratio = 2 << (i * 2);
                if (0 == (div % ratio))
                        return (u32)((i << 8) | ((div / ratio) - 1));
        }
@@ -111,7 +111,7 @@ static void __rsnd_adg_get_timesel_ratio(struct rsnd_priv *priv,
 {
        struct rsnd_adg *adg = rsnd_priv_to_adg(priv);
        struct device *dev = rsnd_priv_to_dev(priv);
-       int idx, sel, div, step;
+       int sel;
        unsigned int val, en;
        unsigned int min, diff;
        unsigned int sel_rate[] = {
@@ -126,8 +126,9 @@ static void __rsnd_adg_get_timesel_ratio(struct rsnd_priv *priv,
        val = 0;
        en = 0;
        for (sel = 0; sel < ARRAY_SIZE(sel_rate); sel++) {
-               idx = 0;
-               step = 2;
+               int idx = 0;
+               int step = 2;
+               int div;
 
                if (!sel_rate[sel])
                        continue;
@@ -394,11 +395,11 @@ static void rsnd_adg_get_clkin(struct rsnd_priv *priv,
                               struct rsnd_adg *adg)
 {
        struct device *dev = rsnd_priv_to_dev(priv);
-       struct clk *clk;
        int i;
 
        for (i = 0; i < CLKMAX; i++) {
-               clk = devm_clk_get(dev, clk_name[i]);
+               struct clk *clk = devm_clk_get(dev, clk_name[i]);
+
                adg->clk[i] = IS_ERR(clk) ? NULL : clk;
        }
 }