enable tun/tap/iptables

hc

2024-05-10 ee930fffee469d076998274a2ca55e13dc1efb67

 kernel/include/linux/pinctrl/pinctrl.h
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@@ -1,3 +1,4 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Interface the pinctrl subsystem
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  *
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@@ -6,13 +7,9 @@
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  * This interface is used in the core to keep track of pins.
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  *
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  * Author: Linus Walleij <linus.walleij@linaro.org>
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- *
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- * License terms: GNU General Public License (GPL) version 2
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  */
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 #ifndef __LINUX_PINCTRL_PINCTRL_H
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 #define __LINUX_PINCTRL_PINCTRL_H
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-
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-#ifdef CONFIG_PINCTRL
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 #include <linux/radix-tree.h>
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 #include <linux/list.h>
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@@ -125,6 +122,10 @@
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  *	the hardware description
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  * @custom_conf_items: Information how to print @params in debugfs, must be
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  *	the same size as the @custom_params, i.e. @num_custom_params
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+ * @link_consumers: If true create a device link between pinctrl and its
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+ *	consumers (i.e. the devices requesting pin control states). This is
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+ *	sometimes necessary to ascertain the right suspend/resume order for
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+ *	example.
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  */
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 struct pinctrl_desc {
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 	const char *name;
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@@ -139,6 +140,7 @@
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 	const struct pinconf_generic_params *custom_params;
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 	const struct pin_config_item *custom_conf_items;
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 #endif
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+	bool link_consumers;
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 };
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 /* External interface to pin controller */
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@@ -167,7 +169,6 @@
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 extern void devm_pinctrl_unregister(struct device *dev,
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 				struct pinctrl_dev *pctldev);
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-extern bool pin_is_valid(struct pinctrl_dev *pctldev, int pin);
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 extern void pinctrl_add_gpio_range(struct pinctrl_dev *pctldev,
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 				struct pinctrl_gpio_range *range);
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 extern void pinctrl_add_gpio_ranges(struct pinctrl_dev *pctldev,
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 				const char *pin_group, const unsigned **pins,
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 				unsigned *num_pins);
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-#ifdef CONFIG_OF
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+#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PINCTRL)
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 extern struct pinctrl_dev *of_pinctrl_get(struct device_node *np);
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 #else
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 static inline
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 extern const char *pinctrl_dev_get_name(struct pinctrl_dev *pctldev);
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 extern const char *pinctrl_dev_get_devname(struct pinctrl_dev *pctldev);
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 extern void *pinctrl_dev_get_drvdata(struct pinctrl_dev *pctldev);
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-#else
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-
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-struct pinctrl_dev;
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-
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-/* Sufficiently stupid default functions when pinctrl is not in use */
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-static inline bool pin_is_valid(struct pinctrl_dev *pctldev, int pin)
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-{
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-	return pin >= 0;
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-}
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-
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-#endif /* !CONFIG_PINCTRL */
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 #endif /* __LINUX_PINCTRL_PINCTRL_H */