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ASoC: simple-card: use devm_get_clk_from_child() 

Current simple-card-utils is getting clk by of_clk_get(), but didn't call
clk_free(). Now we can use devm_get_clk_from_child() for this purpose.
Let's use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2017-01-23 07:29:42 +00:00 committed by Mark Brown
parent a5de5b74a5
commit e984fd61e8
4 changed files with 14 additions and 13 deletions
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11
include/sound/simple_card_utils.h
View File

@ -34,11 +34,12 @@ int asoc_simple_card_set_dailink_name(struct device *dev,
int asoc_simple_card_parse_card_name(struct snd_soc_card *card,
char *prefix);
#define asoc_simple_card_parse_clk_cpu(node, dai_link, simple_dai) \
asoc_simple_card_parse_clk(node, dai_link->cpu_of_node, simple_dai)
#define asoc_simple_card_parse_clk_codec(node, dai_link, simple_dai) \
asoc_simple_card_parse_clk(node, dai_link->codec_of_node, simple_dai)
int asoc_simple_card_parse_clk(struct device_node *node,
#define asoc_simple_card_parse_clk_cpu(dev, node, dai_link, simple_dai) \
asoc_simple_card_parse_clk(dev, node, dai_link->cpu_of_node, simple_dai)
#define asoc_simple_card_parse_clk_codec(dev, node, dai_link, simple_dai) \
asoc_simple_card_parse_clk(dev, node, dai_link->codec_of_node, simple_dai)
int asoc_simple_card_parse_clk(struct device *dev,
struct device_node *node,
struct device_node *dai_of_node,
struct asoc_simple_dai *simple_dai);

8
sound/soc/generic/simple-card-utils.c
View File

@ -98,7 +98,8 @@ int asoc_simple_card_parse_card_name(struct snd_soc_card *card,
}
EXPORT_SYMBOL_GPL(asoc_simple_card_parse_card_name);
int asoc_simple_card_parse_clk(struct device_node *node,
int asoc_simple_card_parse_clk(struct device *dev,
struct device_node *node,
struct device_node *dai_of_node,
struct asoc_simple_dai *simple_dai)
{
@ -111,14 +112,13 @@ int asoc_simple_card_parse_clk(struct device_node *node,
* or "system-clock-frequency = <xxx>"
* or device's module clock.
*/
clk = of_clk_get(node, 0);
clk = devm_get_clk_from_child(dev, node, NULL);
if (!IS_ERR(clk)) {
simple_dai->sysclk = clk_get_rate(clk);
simple_dai->clk = clk;
} else if (!of_property_read_u32(node, "system-clock-frequency", &val)) {
simple_dai->sysclk = val;
} else {
clk = of_clk_get(dai_of_node, 0);
clk = devm_get_clk_from_child(dev, dai_of_node, NULL);
if (!IS_ERR(clk))
simple_dai->sysclk = clk_get_rate(clk);
}

4
sound/soc/generic/simple-card.c
View File

@ -278,11 +278,11 @@ static int asoc_simple_card_dai_link_of(struct device_node *node,
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_parse_clk_cpu(cpu, dai_link, cpu_dai);
ret = asoc_simple_card_parse_clk_cpu(dev, cpu, dai_link, cpu_dai);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_parse_clk_codec(codec, dai_link, codec_dai);
ret = asoc_simple_card_parse_clk_codec(dev, codec, dai_link, codec_dai);
if (ret < 0)
goto dai_link_of_err;

4
sound/soc/generic/simple-scu-card.c
View File

@ -128,7 +128,7 @@ static int asoc_simple_card_dai_link_of(struct device_node *np,
if (ret)
return ret;
ret = asoc_simple_card_parse_clk_cpu(np, dai_link, dai_props);
ret = asoc_simple_card_parse_clk_cpu(dev, np, dai_link, dai_props);
if (ret < 0)
return ret;
@ -153,7 +153,7 @@ static int asoc_simple_card_dai_link_of(struct device_node *np,
if (ret < 0)
return ret;
ret = asoc_simple_card_parse_clk_codec(np, dai_link, dai_props);
ret = asoc_simple_card_parse_clk_codec(dev, np, dai_link, dai_props);
if (ret < 0)
return ret;