ASoC: simple-card: Make u32 DT parameter handling 64-bit proof

Passing unsigned int pointers as u32 ponters may be dangerous on 64-bit
system.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 7 insertions, 6 deletions

diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index 03a7fdcdf114..159e517fa09a 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -116,6 +116,7 @@ asoc_simple_card_sub_parse_of(struct device_node *np,
 {
         struct device_node *node;
         struct clk *clk;
+        u32 val;
         int ret;
 
         /*
@@ -151,10 +152,8 @@ asoc_simple_card_sub_parse_of(struct device_node *np,
                 }
 
                 dai->sysclk = clk_get_rate(clk);
-        } else if (of_property_read_bool(np, "system-clock-frequency")) {
-                of_property_read_u32(np,
-                                     "system-clock-frequency",
-                                     &dai->sysclk);
+        } else if (!of_property_read_u32(np, "system-clock-frequency", &val)) {
+                dai->sysclk = val;
         } else {
                 clk = of_clk_get(node, 0);
                 if (!IS_ERR(clk))
@@ -303,6 +302,7 @@ static int asoc_simple_card_parse_of(struct device_node *node,
 {
         struct snd_soc_dai_link *dai_link = priv->snd_card.dai_link;
         struct simple_dai_props *dai_props = priv->dai_props;
+        u32 val;
         int ret;
 
         /* parsing the card name from DT */
@@ -325,8 +325,9 @@ static int asoc_simple_card_parse_of(struct device_node *node,
         }
 
         /* Factor to mclk, used in hw_params() */
-        of_property_read_u32(node, "simple-audio-card,mclk-fs",
-                             &priv->mclk_fs);
+        ret = of_property_read_u32(node, "simple-audio-card,mclk-fs", &val);
+        if (ret == 0)
+                priv->mclk_fs = val;
 
         dev_dbg(dev, "New simple-card: %s\n", priv->snd_card.name ?
                 priv->snd_card.name : "");