[PATCH] ASoC: samsung: Remove obsolete GPIO based DT pinmuxing

[Mark Brown <broonie@xxxxxxxxxx>]

From: Mark Brown <broonie@xxxxxxxxxx>

Since the Samsung platforms have moved to pinctrl for pin muxing and that
is handled in the core the old GPIO based muxing code can just be removed.
Something similar had been submitted by Thomas Abraham back in March but
a resubmission following review never happened.

Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
 sound/soc/samsung/i2s.c | 66 +++----------------------------------------------
 1 file changed, 4 insertions(+), 62 deletions(-)

diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 82ebb1a..7a17346 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -1016,52 +1016,6 @@ static struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec)
 	return i2s;
 }
 
-#ifdef CONFIG_OF
-static int samsung_i2s_parse_dt_gpio(struct i2s_dai *i2s)
-{
-	struct device *dev = &i2s->pdev->dev;
-	int index, gpio, ret;
-
-	for (index = 0; index < 7; index++) {
-		gpio = of_get_gpio(dev->of_node, index);
-		if (!gpio_is_valid(gpio)) {
-			dev_err(dev, "invalid gpio[%d]: %d\n", index, gpio);
-			goto free_gpio;
-		}
-
-		ret = gpio_request(gpio, dev_name(dev));
-		if (ret) {
-			dev_err(dev, "gpio [%d] request failed\n", gpio);
-			goto free_gpio;
-		}
-		i2s->gpios[index] = gpio;
-	}
-	return 0;
-
-free_gpio:
-	while (--index >= 0)
-		gpio_free(i2s->gpios[index]);
-	return -EINVAL;
-}
-
-static void samsung_i2s_dt_gpio_free(struct i2s_dai *i2s)
-{
-	unsigned int index;
-	for (index = 0; index < 7; index++)
-		gpio_free(i2s->gpios[index]);
-}
-#else
-static int samsung_i2s_parse_dt_gpio(struct i2s_dai *dai)
-{
-	return -EINVAL;
-}
-
-static void samsung_i2s_dt_gpio_free(struct i2s_dai *dai)
-{
-}
-
-#endif
-
 static const struct of_device_id exynos_i2s_match[];
 
 static inline int samsung_i2s_get_driver_data(struct platform_device *pdev)
@@ -1235,18 +1189,10 @@ static int samsung_i2s_probe(struct platform_device *pdev)
 		pri_dai->sec_dai = sec_dai;
 	}
 
-	if (np) {
-		if (samsung_i2s_parse_dt_gpio(pri_dai)) {
-			dev_err(&pdev->dev, "Unable to configure gpio\n");
-			ret = -EINVAL;
-			goto err;
-		}
-	} else {
-		if (i2s_pdata->cfg_gpio && i2s_pdata->cfg_gpio(pdev)) {
-			dev_err(&pdev->dev, "Unable to configure gpio\n");
-			ret = -EINVAL;
-			goto err;
-		}
+	if (i2s_pdata && i2s_pdata->cfg_gpio && i2s_pdata->cfg_gpio(pdev)) {
+		dev_err(&pdev->dev, "Unable to configure gpio\n");
+		ret = -EINVAL;
+		goto err;
 	}
 
 	snd_soc_register_component(&pri_dai->pdev->dev, &samsung_i2s_component,
@@ -1267,14 +1213,10 @@ static int samsung_i2s_remove(struct platform_device *pdev)
 {
 	struct i2s_dai *i2s, *other;
 	struct resource *res;
-	struct s3c_audio_pdata *i2s_pdata = pdev->dev.platform_data;
 
 	i2s = dev_get_drvdata(&pdev->dev);
 	other = i2s->pri_dai ? : i2s->sec_dai;
 
-	if (!i2s_pdata->cfg_gpio && pdev->dev.of_node)
-		samsung_i2s_dt_gpio_free(i2s->pri_dai);
-
 	if (other) {
 		other->pri_dai = NULL;
 		other->sec_dai = NULL;
-- 
1.8.3.1

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