enable tun/tap/iptables

hc

2024-05-10 ee930fffee469d076998274a2ca55e13dc1efb67

 kernel/drivers/regulator/max77686-regulator.c
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@@ -11,8 +11,7 @@
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 #include <linux/kernel.h>
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 #include <linux/bug.h>
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 #include <linux/err.h>
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-#include <linux/gpio.h>
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-#include <linux/of_gpio.h>
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+#include <linux/gpio/consumer.h>
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 #include <linux/slab.h>
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 #include <linux/platform_device.h>
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 #include <linux/regulator/driver.h>
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@@ -76,6 +75,7 @@
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 };
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 struct max77686_data {
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+	struct device *dev;
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 	DECLARE_BITMAP(gpio_enabled, MAX77686_REGULATORS);
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80
 
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 	/* Array indexed by regulator id */
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@@ -250,26 +250,35 @@
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 		struct regulator_config *config)
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 {
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 	struct max77686_data *max77686 = config->driver_data;
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+	int ret;
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 	switch (desc->id) {
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 	case MAX77686_BUCK8:
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 	case MAX77686_BUCK9:
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 	case MAX77686_LDO20 ... MAX77686_LDO22:
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-		config->ena_gpio = of_get_named_gpio(np,
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-					"maxim,ena-gpios", 0);
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-		config->ena_gpio_flags = GPIOF_OUT_INIT_HIGH;
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-		config->ena_gpio_initialized = true;
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+		config->ena_gpiod = fwnode_gpiod_get_index(
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+				of_fwnode_handle(np),
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+				"maxim,ena",
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+				0,
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+				GPIOD_OUT_HIGH | GPIOD_FLAGS_BIT_NONEXCLUSIVE,
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+				"max77686-regulator");
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+		if (IS_ERR(config->ena_gpiod))
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+			config->ena_gpiod = NULL;
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 		break;
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 	default:
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 		return 0;
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 	}
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-	if (gpio_is_valid(config->ena_gpio)) {
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+	if (config->ena_gpiod) {
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 		set_bit(desc->id, max77686->gpio_enabled);
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-		return regmap_update_bits(config->regmap, desc->enable_reg,
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-					  desc->enable_mask,
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-					  MAX77686_GPIO_CONTROL);
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+		ret = regmap_update_bits(config->regmap, desc->enable_reg,
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+					 desc->enable_mask,
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+					 MAX77686_GPIO_CONTROL);
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+		if (ret) {
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+			gpiod_put(config->ena_gpiod);
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+			config->ena_gpiod = NULL;
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+		}
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 	}
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 	return 0;
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@@ -507,6 +516,7 @@
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 	if (!max77686)
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 		return -ENOMEM;
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+	max77686->dev = &pdev->dev;
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 	config.dev = iodev->dev;
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 	config.regmap = iodev->regmap;
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 	config.driver_data = max77686;