Merge tag 'renesas-pinctrl-for-v6.6-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel

pinctrl: renesas: Updates for v6.6

  - Use the new devm_clk_get_enabled() helper.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

2 files changed, 50 insertions, 70 deletions

diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
index 87ca761a1aec..4f34f8f24bde 100644
--- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c
+++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
@@ -145,7 +145,6 @@ struct rzg2l_pinctrl {
 	const struct rzg2l_pinctrl_data	*data;
 	void __iomem			*base;
 	struct device			*dev;
-	struct clk			*clk;
 
 	struct gpio_chip		gpio_chip;
 	struct pinctrl_gpio_range	gpio_range;
@@ -250,6 +249,7 @@ static int rzg2l_map_add_config(struct pinctrl_map *map,
 
 static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev,
 				   struct device_node *np,
+				   struct device_node *parent,
 				   struct pinctrl_map **map,
 				   unsigned int *num_maps,
 				   unsigned int *index)
@@ -267,6 +267,7 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev,
 	struct property *prop;
 	int ret, gsel, fsel;
 	const char **pin_fn;
+	const char *name;
 	const char *pin;
 
 	pinmux = of_find_property(np, "pinmux", NULL);
@@ -350,8 +351,19 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev,
 		psel_val[i] = MUX_FUNC(value);
 	}
 
+	if (parent) {
+		name = devm_kasprintf(pctrl->dev, GFP_KERNEL, "%pOFn.%pOFn",
+				      parent, np);
+		if (!name) {
+			ret = -ENOMEM;
+			goto done;
+		}
+	} else {
+		name = np->name;
+	}
+
 	/* Register a single pin group listing all the pins we read from DT */
-	gsel = pinctrl_generic_add_group(pctldev, np->name, pins, num_pinmux, NULL);
+	gsel = pinctrl_generic_add_group(pctldev, name, pins, num_pinmux, NULL);
 	if (gsel < 0) {
 		ret = gsel;
 		goto done;
@@ -361,17 +373,16 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev,
 	 * Register a single group function where the 'data' is an array PSEL
 	 * register values read from DT.
 	 */
-	pin_fn[0] = np->name;
-	fsel = pinmux_generic_add_function(pctldev, np->name, pin_fn, 1,
-					   psel_val);
+	pin_fn[0] = name;
+	fsel = pinmux_generic_add_function(pctldev, name, pin_fn, 1, psel_val);
 	if (fsel < 0) {
 		ret = fsel;
 		goto remove_group;
 	}
 
 	maps[idx].type = PIN_MAP_TYPE_MUX_GROUP;
-	maps[idx].data.mux.group = np->name;
-	maps[idx].data.mux.function = np->name;
+	maps[idx].data.mux.group = name;
+	maps[idx].data.mux.function = name;
 	idx++;
 
 	dev_dbg(pctrl->dev, "Parsed %pOF with %d pins\n", np, num_pinmux);
@@ -418,7 +429,7 @@ static int rzg2l_dt_node_to_map(struct pinctrl_dev *pctldev,
 	index = 0;
 
 	for_each_child_of_node(np, child) {
-		ret = rzg2l_dt_subnode_to_map(pctldev, child, map,
+		ret = rzg2l_dt_subnode_to_map(pctldev, child, np, map,
 					      num_maps, &index);
 		if (ret < 0) {
 			of_node_put(child);
@@ -427,7 +438,7 @@ static int rzg2l_dt_node_to_map(struct pinctrl_dev *pctldev,
 	}
 
 	if (*num_maps == 0) {
-		ret = rzg2l_dt_subnode_to_map(pctldev, np, map,
+		ret = rzg2l_dt_subnode_to_map(pctldev, np, NULL, map,
 					      num_maps, &index);
 		if (ret < 0)
 			goto done;
@@ -1459,14 +1470,10 @@ static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl)
 	return 0;
 }
 
-static void rzg2l_pinctrl_clk_disable(void *data)
-{
-	clk_disable_unprepare(data);
-}
-
 static int rzg2l_pinctrl_probe(struct platform_device *pdev)
 {
 	struct rzg2l_pinctrl *pctrl;
+	struct clk *clk;
 	int ret;
 
 	BUILD_BUG_ON(ARRAY_SIZE(rzg2l_gpio_configs) * RZG2L_PINS_PER_PORT >
@@ -1489,33 +1496,16 @@ static int rzg2l_pinctrl_probe(struct platform_device *pdev)
 	if (IS_ERR(pctrl->base))
 		return PTR_ERR(pctrl->base);
 
-	pctrl->clk = devm_clk_get(pctrl->dev, NULL);
-	if (IS_ERR(pctrl->clk)) {
-		ret = PTR_ERR(pctrl->clk);
-		dev_err(pctrl->dev, "failed to get GPIO clk : %i\n", ret);
-		return ret;
-	}
+	clk = devm_clk_get_enabled(pctrl->dev, NULL);
+	if (IS_ERR(clk))
+		return dev_err_probe(pctrl->dev, PTR_ERR(clk),
+				     "failed to enable GPIO clk\n");
 
 	spin_lock_init(&pctrl->lock);
 	spin_lock_init(&pctrl->bitmap_lock);
 
 	platform_set_drvdata(pdev, pctrl);
 
-	ret = clk_prepare_enable(pctrl->clk);
-	if (ret) {
-		dev_err(pctrl->dev, "failed to enable GPIO clk: %i\n", ret);
-		return ret;
-	}
-
-	ret = devm_add_action_or_reset(&pdev->dev, rzg2l_pinctrl_clk_disable,
-				       pctrl->clk);
-	if (ret) {
-		dev_err(pctrl->dev,
-			"failed to register GPIO clk disable action, %i\n",
-			ret);
-		return ret;
-	}
-
 	ret = rzg2l_pinctrl_register(pctrl);
 	if (ret)
 		return ret;
diff --git a/drivers/pinctrl/renesas/pinctrl-rzv2m.c b/drivers/pinctrl/renesas/pinctrl-rzv2m.c
index dd2342b757be..c73784b8b4ba 100644
--- a/drivers/pinctrl/renesas/pinctrl-rzv2m.c
+++ b/drivers/pinctrl/renesas/pinctrl-rzv2m.c
@@ -119,7 +119,6 @@ struct rzv2m_pinctrl {
 	const struct rzv2m_pinctrl_data	*data;
 	void __iomem			*base;
 	struct device			*dev;
-	struct clk			*clk;
 
 	struct gpio_chip		gpio_chip;
 	struct pinctrl_gpio_range	gpio_range;
@@ -210,6 +209,7 @@ static int rzv2m_map_add_config(struct pinctrl_map *map,
 
 static int rzv2m_dt_subnode_to_map(struct pinctrl_dev *pctldev,
 				   struct device_node *np,
+				   struct device_node *parent,
 				   struct pinctrl_map **map,
 				   unsigned int *num_maps,
 				   unsigned int *index)
@@ -227,6 +227,7 @@ static int rzv2m_dt_subnode_to_map(struct pinctrl_dev *pctldev,
 	struct property *prop;
 	int ret, gsel, fsel;
 	const char **pin_fn;
+	const char *name;
 	const char *pin;
 
 	pinmux = of_find_property(np, "pinmux", NULL);
@@ -310,8 +311,19 @@ static int rzv2m_dt_subnode_to_map(struct pinctrl_dev *pctldev,
 		psel_val[i] = MUX_FUNC(value);
 	}
 
+	if (parent) {
+		name = devm_kasprintf(pctrl->dev, GFP_KERNEL, "%pOFn.%pOFn",
+				      parent, np);
+		if (!name) {
+			ret = -ENOMEM;
+			goto done;
+		}
+	} else {
+		name = np->name;
+	}
+
 	/* Register a single pin group listing all the pins we read from DT */
-	gsel = pinctrl_generic_add_group(pctldev, np->name, pins, num_pinmux, NULL);
+	gsel = pinctrl_generic_add_group(pctldev, name, pins, num_pinmux, NULL);
 	if (gsel < 0) {
 		ret = gsel;
 		goto done;
@@ -321,17 +333,16 @@ static int rzv2m_dt_subnode_to_map(struct pinctrl_dev *pctldev,
 	 * Register a single group function where the 'data' is an array PSEL
 	 * register values read from DT.
 	 */
-	pin_fn[0] = np->name;
-	fsel = pinmux_generic_add_function(pctldev, np->name, pin_fn, 1,
-					   psel_val);
+	pin_fn[0] = name;
+	fsel = pinmux_generic_add_function(pctldev, name, pin_fn, 1, psel_val);
 	if (fsel < 0) {
 		ret = fsel;
 		goto remove_group;
 	}
 
 	maps[idx].type = PIN_MAP_TYPE_MUX_GROUP;
-	maps[idx].data.mux.group = np->name;
-	maps[idx].data.mux.function = np->name;
+	maps[idx].data.mux.group = name;
+	maps[idx].data.mux.function = name;
 	idx++;
 
 	dev_dbg(pctrl->dev, "Parsed %pOF with %d pins\n", np, num_pinmux);
@@ -378,7 +389,7 @@ static int rzv2m_dt_node_to_map(struct pinctrl_dev *pctldev,
 	index = 0;
 
 	for_each_child_of_node(np, child) {
-		ret = rzv2m_dt_subnode_to_map(pctldev, child, map,
+		ret = rzv2m_dt_subnode_to_map(pctldev, child, np, map,
 					      num_maps, &index);
 		if (ret < 0) {
 			of_node_put(child);
@@ -387,7 +398,7 @@ static int rzv2m_dt_node_to_map(struct pinctrl_dev *pctldev,
 	}
 
 	if (*num_maps == 0) {
-		ret = rzv2m_dt_subnode_to_map(pctldev, np, map,
+		ret = rzv2m_dt_subnode_to_map(pctldev, np, NULL, map,
 					      num_maps, &index);
 		if (ret < 0)
 			goto done;
@@ -1028,14 +1039,10 @@ static int rzv2m_pinctrl_register(struct rzv2m_pinctrl *pctrl)
 	return 0;
 }
 
-static void rzv2m_pinctrl_clk_disable(void *data)
-{
-	clk_disable_unprepare(data);
-}
-
 static int rzv2m_pinctrl_probe(struct platform_device *pdev)
 {
 	struct rzv2m_pinctrl *pctrl;
+	struct clk *clk;
 	int ret;
 
 	pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL);
@@ -1052,32 +1059,15 @@ static int rzv2m_pinctrl_probe(struct platform_device *pdev)
 	if (IS_ERR(pctrl->base))
 		return PTR_ERR(pctrl->base);
 
-	pctrl->clk = devm_clk_get(pctrl->dev, NULL);
-	if (IS_ERR(pctrl->clk)) {
-		ret = PTR_ERR(pctrl->clk);
-		dev_err(pctrl->dev, "failed to get GPIO clk : %i\n", ret);
-		return ret;
-	}
+	clk = devm_clk_get_enabled(pctrl->dev, NULL);
+	if (IS_ERR(clk))
+		return dev_err_probe(pctrl->dev, PTR_ERR(clk),
+				     "failed to enable GPIO clk\n");
 
 	spin_lock_init(&pctrl->lock);
 
 	platform_set_drvdata(pdev, pctrl);
 
-	ret = clk_prepare_enable(pctrl->clk);
-	if (ret) {
-		dev_err(pctrl->dev, "failed to enable GPIO clk: %i\n", ret);
-		return ret;
-	}
-
-	ret = devm_add_action_or_reset(&pdev->dev, rzv2m_pinctrl_clk_disable,
-				       pctrl->clk);
-	if (ret) {
-		dev_err(pctrl->dev,
-			"failed to register GPIO clk disable action, %i\n",
-			ret);
-		return ret;
-	}
-
 	ret = rzv2m_pinctrl_register(pctrl);
 	if (ret)
 		return ret;