[PATCH v3 2/5] ASoC: Drop unnecessary of_match_device() calls

[Rob Herring]

If probe is reached, we've already matched the device and in the case of
DT matching, the struct device_node pointer will be set. Therefore, there
is no need to call of_match_device() in probe.

Acked-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
---
 sound/soc/codecs/ak5386.c  |  7 ++-----
 sound/soc/codecs/cs4271.c  | 22 ++++++----------------
 sound/soc/codecs/tas5086.c |  6 +-----
 3 files changed, 9 insertions(+), 26 deletions(-)

diff --git a/sound/soc/codecs/ak5386.c b/sound/soc/codecs/ak5386.c
index 0c5e00679c7d..21a44476f48d 100644
--- a/sound/soc/codecs/ak5386.c
+++ b/sound/soc/codecs/ak5386.c
@@ -10,7 +10,6 @@
 #include <linux/slab.h>
 #include <linux/of.h>
 #include <linux/of_gpio.h>
-#include <linux/of_device.h>
 #include <linux/regulator/consumer.h>
 #include <sound/soc.h>
 #include <sound/pcm.h>
@@ -168,7 +167,6 @@ static int ak5386_probe(struct platform_device *pdev)
 	if (!priv)
 		return -ENOMEM;
 
-	priv->reset_gpio = -EINVAL;
 	dev_set_drvdata(dev, priv);
 
 	for (i = 0; i < ARRAY_SIZE(supply_names); i++)
@@ -179,9 +177,8 @@ static int ak5386_probe(struct platform_device *pdev)
 	if (ret < 0)
 		return ret;
 
-	if (of_match_device(of_match_ptr(ak5386_dt_ids), dev))
-		priv->reset_gpio = of_get_named_gpio(dev->of_node,
-						      "reset-gpio", 0);
+	priv->reset_gpio = of_get_named_gpio(dev->of_node,
+					     "reset-gpio", 0);
 
 	if (gpio_is_valid(priv->reset_gpio))
 		if (devm_gpio_request_one(dev, priv->reset_gpio,
diff --git a/sound/soc/codecs/cs4271.c b/sound/soc/codecs/cs4271.c
index 188b8b43c524..9e6f8a048dd5 100644
--- a/sound/soc/codecs/cs4271.c
+++ b/sound/soc/codecs/cs4271.c
@@ -15,7 +15,6 @@
 #include <linux/delay.h>
 #include <linux/gpio.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
 #include <linux/of_gpio.h>
 #include <linux/regulator/consumer.h>
 #include <sound/pcm.h>
@@ -563,19 +562,12 @@ static int cs4271_component_probe(struct snd_soc_component *component)
 	struct cs4271_private *cs4271 = snd_soc_component_get_drvdata(component);
 	struct cs4271_platform_data *cs4271plat = component->dev->platform_data;
 	int ret;
-	bool amutec_eq_bmutec = false;
+	bool amutec_eq_bmutec;
 
-#ifdef CONFIG_OF
-	if (of_match_device(cs4271_dt_ids, component->dev)) {
-		if (of_get_property(component->dev->of_node,
-				     "cirrus,amutec-eq-bmutec", NULL))
-			amutec_eq_bmutec = true;
-
-		if (of_get_property(component->dev->of_node,
-				     "cirrus,enable-soft-reset", NULL))
-			cs4271->enable_soft_reset = true;
-	}
-#endif
+	amutec_eq_bmutec = of_property_read_bool(component->dev->of_node,
+						 "cirrus,amutec-eq-bmutec");
+	cs4271->enable_soft_reset = of_property_read_bool(component->dev->of_node,
+							  "cirrus,enable-soft-reset");
 
 	ret = regulator_bulk_enable(ARRAY_SIZE(cs4271->supplies),
 				    cs4271->supplies);
@@ -655,9 +647,7 @@ static int cs4271_common_probe(struct device *dev,
 	if (!cs4271)
 		return -ENOMEM;
 
-	if (of_match_device(cs4271_dt_ids, dev))
-		cs4271->gpio_nreset =
-			of_get_named_gpio(dev->of_node, "reset-gpio", 0);
+	cs4271->gpio_nreset = of_get_named_gpio(dev->of_node, "reset-gpio", 0);
 
 	if (cs4271plat)
 		cs4271->gpio_nreset = cs4271plat->gpio_nreset;
diff --git a/sound/soc/codecs/tas5086.c b/sound/soc/codecs/tas5086.c
index 60e59e993ba6..f52c14b43f28 100644
--- a/sound/soc/codecs/tas5086.c
+++ b/sound/soc/codecs/tas5086.c
@@ -940,11 +940,7 @@ static int tas5086_i2c_probe(struct i2c_client *i2c)
 
 	i2c_set_clientdata(i2c, priv);
 
-	if (of_match_device(of_match_ptr(tas5086_dt_ids), dev)) {
-		struct device_node *of_node = dev->of_node;
-		gpio_nreset = of_get_named_gpio(of_node, "reset-gpio", 0);
-	}
-
+	gpio_nreset = of_get_named_gpio(dev->of_node, "reset-gpio", 0);
 	if (gpio_is_valid(gpio_nreset))
 		if (devm_gpio_request(dev, gpio_nreset, "TAS5086 Reset"))
 			gpio_nreset = -EINVAL;

-- 
2.40.1