Revert "clk: enhance clk-gpio to also handle gated-fixed-clock"

I had missed the review comments from Jonas Karlman when applying this,
it's not yet ready for inclusion.

This reverts commit 4e249b94af928aca29972fc22ef2b5ed0016eab9.

Signed-off-by: Tom Rini <[email protected]>

1 files changed, 7 insertions, 22 deletions

diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c
index b7abc891ed2..4ed14306575 100644
--- a/drivers/clk/clk-gpio.c
+++ b/drivers/clk/clk-gpio.c
@@ -6,7 +6,6 @@
 #include <clk.h>
 #include <clk-uclass.h>
 #include <dm.h>
-#include <power/regulator.h>
 #include <linux/clk-provider.h>
 
 #include <asm/gpio.h>
@@ -14,18 +13,14 @@
 struct clk_gpio_priv {
 	struct gpio_desc	enable;	/* GPIO, controlling the gate */
 	struct clk		*clk;	/* Gated clock */
-	struct udevice		*vdd_supply;
 };
 
 static int clk_gpio_enable(struct clk *clk)
 {
 	struct clk_gpio_priv *priv = dev_get_priv(clk->dev);
 
-	if (priv->clk)
-		clk_enable(priv->clk);
-
-	if (priv->enable.dev)
-		dm_gpio_set_value(&priv->enable, 1);
+	clk_enable(priv->clk);
+	dm_gpio_set_value(&priv->enable, 1);
 
 	return 0;
 }
@@ -34,11 +29,8 @@ static int clk_gpio_disable(struct clk *clk)
 {
 	struct clk_gpio_priv *priv = dev_get_priv(clk->dev);
 
-	if (priv->enable.dev)
-		dm_gpio_set_value(&priv->enable, 0);
-
-	if (priv->clk)
-		clk_disable(priv->clk);
+	dm_gpio_set_value(&priv->enable, 0);
+	clk_disable(priv->clk);
 
 	return 0;
 }
@@ -47,7 +39,7 @@ static ulong clk_gpio_get_rate(struct clk *clk)
 {
 	struct clk_gpio_priv *priv = dev_get_priv(clk->dev);
 
-	return (priv->clk) ? clk_get_rate(priv->clk) : -1;
+	return clk_get_rate(priv->clk);
 }
 
 const struct clk_ops clk_gpio_ops = {
@@ -65,7 +57,7 @@ static int clk_gpio_probe(struct udevice *dev)
 	if (IS_ERR(priv->clk)) {
 		log_debug("%s: Could not get gated clock: %ld\n",
 			  __func__, PTR_ERR(priv->clk));
-		priv->clk = 0;
+		return PTR_ERR(priv->clk);
 	}
 
 	ret = gpio_request_by_name(dev, "enable-gpios", 0,
@@ -73,15 +65,9 @@ static int clk_gpio_probe(struct udevice *dev)
 	if (ret) {
 		log_debug("%s: Could not decode enable-gpios (%d)\n",
 			  __func__, ret);
+		return ret;
 	}
 
-	ret = device_get_supply_regulator(dev, "vdd-supply",
-					  &priv->vdd_supply);
-	if (ret == 0)
-		ret = regulator_set_enable(priv->vdd_supply, true);
-
-	log_debug("%s: %s regulator = %d\n", __func__, dev->name, ret);
-
 	return 0;
 }
 
@@ -94,7 +80,6 @@ static int clk_gpio_probe(struct udevice *dev)
  */
 static const struct udevice_id clk_gpio_match[] = {
 	{ .compatible = "gpio-gate-clock" },
-	{ .compatible = "gated-fixed-clock" },
 	{ /* sentinel */ }
 };