Re: [PATCH v2 36/36] pinctrl: Clean up headers

From: Basavaraj Natikar
Date: Tue Oct 11 2022 - 03:31:18 EST

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On 10/11/2022 1:44 AM, Andy Shevchenko wrote:
> There is a few things done:
> - include only the headers we are direct user of
> - when pointer is in use, provide a forward declaration
> - add missed headers
> - group generic headers and subsystem headers
> - sort each group alphabetically
>
> While at it, fix some awkward indentations.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> drivers/pinctrl/core.c | 19 ++++++++-------
> drivers/pinctrl/core.h | 12 +++++++++-
> drivers/pinctrl/devicetree.h | 6 +++++
> drivers/pinctrl/pinconf.h | 10 ++++++++
> drivers/pinctrl/pinctrl-utils.h | 5 ++++
> drivers/pinctrl/pinmux.c | 17 ++++++++------
> drivers/pinctrl/pinmux.h | 11 +++++++++
> include/linux/pinctrl/consumer.h | 31 +++++++++++--------------
> include/linux/pinctrl/devinfo.h | 6 +++--
> include/linux/pinctrl/machine.h | 8 ++++---
> include/linux/pinctrl/pinconf-generic.h | 23 ++++++++++--------
> include/linux/pinctrl/pinctrl.h | 18 +++++++-------
> include/linux/pinctrl/pinmux.h | 5 ++--
> 13 files changed, 110 insertions(+), 61 deletions(-)
>
> diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
> index 9e57f4c62e60..655f9502e73f 100644
> --- a/drivers/pinctrl/core.c
> +++ b/drivers/pinctrl/core.c
> @@ -12,19 +12,21 @@
> */
> #define pr_fmt(fmt) "pinctrl core: " fmt
>
> -#include <linux/kernel.h>
> -#include <linux/kref.h>
> -#include <linux/export.h>
> -#include <linux/init.h>
> +#include <linux/debugfs.h>
> #include <linux/device.h>
> -#include <linux/slab.h>
> #include <linux/err.h>
> +#include <linux/export.h>
> +#include <linux/init.h>
> +#include <linux/kernel.h>
> +#include <linux/kref.h>
> #include <linux/list.h>
> -#include <linux/debugfs.h>
> #include <linux/seq_file.h>
> +#include <linux/slab.h>
> +
> #include <linux/pinctrl/consumer.h>
> -#include <linux/pinctrl/pinctrl.h>
> +#include <linux/pinctrl/devinfo.h>
> #include <linux/pinctrl/machine.h>
> +#include <linux/pinctrl/pinctrl.h>
>
> #ifdef CONFIG_GPIOLIB
> #include "../gpio/gpiolib.h"
> @@ -33,9 +35,8 @@
>
> #include "core.h"
> #include "devicetree.h"
> -#include "pinmux.h"
> #include "pinconf.h"
> -
> +#include "pinmux.h"
>
> static bool pinctrl_dummy_state;
>
> diff --git a/drivers/pinctrl/core.h b/drivers/pinctrl/core.h
> index 840103c40c14..4d0bdb9fb99b 100644
> --- a/drivers/pinctrl/core.h
> +++ b/drivers/pinctrl/core.h
> @@ -9,12 +9,22 @@
> */
>
> #include <linux/kref.h>
> +#include <linux/list.h>
> #include <linux/mutex.h>
> #include <linux/radix-tree.h>
> -#include <linux/pinctrl/pinconf.h>

Removing pinconf.h from the core.h may cause build failure in other files
because where-ever core.h is included to use “struct pinconf_ops”, there
is a need to include pinconf.h.

With that fixed,

Reviewed-by: Basavaraj Natikar <Basavaraj.Natikar@xxxxxxx>

Thanks,
--
Basavaraj

> +#include <linux/types.h>
> +
> #include <linux/pinctrl/machine.h>
>
> +struct dentry;
> +struct device;
> +struct device_node;
> +struct module;
> +
> +struct pinctrl;
> +struct pinctrl_desc;
> struct pinctrl_gpio_range;
> +struct pinctrl_state;
>
> /**
> * struct pinctrl_dev - pin control class device
> diff --git a/drivers/pinctrl/devicetree.h b/drivers/pinctrl/devicetree.h
> index efa80779de4f..def76aba99d1 100644
> --- a/drivers/pinctrl/devicetree.h
> +++ b/drivers/pinctrl/devicetree.h
> @@ -5,8 +5,14 @@
> * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved.
> */
>
> +#include <linux/errno.h>
> +
> +struct device_node;
> struct of_phandle_args;
>
> +struct pinctrl;
> +struct pinctrl_dev;
> +
> #ifdef CONFIG_OF
>
> void pinctrl_dt_free_maps(struct pinctrl *p);
> diff --git a/drivers/pinctrl/pinconf.h b/drivers/pinctrl/pinconf.h
> index be7311373299..694bfc9961fa 100644
> --- a/drivers/pinctrl/pinconf.h
> +++ b/drivers/pinctrl/pinconf.h
> @@ -10,6 +10,16 @@
> * Author: Linus Walleij <linus.walleij@xxxxxxxxxx>
> */
>
> +#include <linux/errno.h>
> +
> +struct dentry;
> +struct device_node;
> +struct seq_file;
> +
> +struct pinctrl_dev;
> +struct pinctrl_map;
> +struct pinctrl_setting;
> +
> #ifdef CONFIG_PINCONF
>
> int pinconf_check_ops(struct pinctrl_dev *pctldev);
> diff --git a/drivers/pinctrl/pinctrl-utils.h b/drivers/pinctrl/pinctrl-utils.h
> index cec407a8cc4e..4108ee2dd6d0 100644
> --- a/drivers/pinctrl/pinctrl-utils.h
> +++ b/drivers/pinctrl/pinctrl-utils.h
> @@ -9,6 +9,11 @@
> #ifndef __PINCTRL_UTILS_H__
> #define __PINCTRL_UTILS_H__
>
> +#include <linux/pinctrl/machine.h>
> +
> +struct pinctrl_dev;
> +struct pinctrl_map;
> +
> int pinctrl_utils_reserve_map(struct pinctrl_dev *pctldev,
> struct pinctrl_map **map, unsigned *reserved_maps,
> unsigned *num_maps, unsigned reserve);
> diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c
> index f94d43b082d9..6bd7ac37a0e0 100644
> --- a/drivers/pinctrl/pinmux.c
> +++ b/drivers/pinctrl/pinmux.c
> @@ -13,19 +13,22 @@
> #define pr_fmt(fmt) "pinmux core: " fmt
>
> #include <linux/ctype.h>
> -#include <linux/kernel.h>
> -#include <linux/module.h>
> -#include <linux/init.h>
> +#include <linux/debugfs.h>
> #include <linux/device.h>
> -#include <linux/slab.h>
> -#include <linux/radix-tree.h>
> #include <linux/err.h>
> +#include <linux/init.h>
> +#include <linux/kernel.h>
> #include <linux/list.h>
> -#include <linux/string.h>
> -#include <linux/debugfs.h>
> +#include <linux/module.h>
> +#include <linux/radix-tree.h>
> #include <linux/seq_file.h>
> +#include <linux/slab.h>
> +#include <linux/string.h>
> +
> #include <linux/pinctrl/machine.h>
> +#include <linux/pinctrl/pinctrl.h>
> #include <linux/pinctrl/pinmux.h>
> +
> #include "core.h"
> #include "pinmux.h"
>
> diff --git a/drivers/pinctrl/pinmux.h b/drivers/pinctrl/pinmux.h
> index 72fcf03eaa43..ea6f99c24aa5 100644
> --- a/drivers/pinctrl/pinmux.h
> +++ b/drivers/pinctrl/pinmux.h
> @@ -9,6 +9,17 @@
> *
> * Author: Linus Walleij <linus.walleij@xxxxxxxxxx>
> */
> +
> +#include <linux/types.h>
> +
> +struct dentry;
> +struct seq_file;
> +
> +struct pinctrl_dev;
> +struct pinctrl_gpio_range;
> +struct pinctrl_map;
> +struct pinctrl_setting;
> +
> #ifdef CONFIG_PINMUX
>
> int pinmux_check_ops(struct pinctrl_dev *pctldev);
> diff --git a/include/linux/pinctrl/consumer.h b/include/linux/pinctrl/consumer.h
> index 019fecd75d0c..4729d54e8995 100644
> --- a/include/linux/pinctrl/consumer.h
> +++ b/include/linux/pinctrl/consumer.h
> @@ -12,14 +12,15 @@
> #define __LINUX_PINCTRL_CONSUMER_H
>
> #include <linux/err.h>
> -#include <linux/list.h>
> -#include <linux/seq_file.h>
> +#include <linux/types.h>
> +
> #include <linux/pinctrl/pinctrl-state.h>
>
> +struct device;
> +
> /* This struct is private to the core and should be regarded as a cookie */
> struct pinctrl;
> struct pinctrl_state;
> -struct device;
>
> #ifdef CONFIG_PINCTRL
>
> @@ -33,9 +34,8 @@ extern int pinctrl_gpio_set_config(unsigned gpio, unsigned long config);
>
> extern struct pinctrl * __must_check pinctrl_get(struct device *dev);
> extern void pinctrl_put(struct pinctrl *p);
> -extern struct pinctrl_state * __must_check pinctrl_lookup_state(
> - struct pinctrl *p,
> - const char *name);
> +extern struct pinctrl_state * __must_check pinctrl_lookup_state(struct pinctrl *p,
> + const char *name);
> extern int pinctrl_select_state(struct pinctrl *p, struct pinctrl_state *s);
>
> extern struct pinctrl * __must_check devm_pinctrl_get(struct device *dev);
> @@ -101,9 +101,8 @@ static inline void pinctrl_put(struct pinctrl *p)
> {
> }
>
> -static inline struct pinctrl_state * __must_check pinctrl_lookup_state(
> - struct pinctrl *p,
> - const char *name)
> +static inline struct pinctrl_state * __must_check pinctrl_lookup_state(struct pinctrl *p,
> + const char *name)
> {
> return NULL;
> }
> @@ -145,8 +144,8 @@ static inline int pinctrl_pm_select_idle_state(struct device *dev)
>
> #endif /* CONFIG_PINCTRL */
>
> -static inline struct pinctrl * __must_check pinctrl_get_select(
> - struct device *dev, const char *name)
> +static inline struct pinctrl * __must_check pinctrl_get_select(struct device *dev,
> + const char *name)
> {
> struct pinctrl *p;
> struct pinctrl_state *s;
> @@ -171,14 +170,13 @@ static inline struct pinctrl * __must_check pinctrl_get_select(
> return p;
> }
>
> -static inline struct pinctrl * __must_check pinctrl_get_select_default(
> - struct device *dev)
> +static inline struct pinctrl * __must_check pinctrl_get_select_default(struct device *dev)
> {
> return pinctrl_get_select(dev, PINCTRL_STATE_DEFAULT);
> }
>
> -static inline struct pinctrl * __must_check devm_pinctrl_get_select(
> - struct device *dev, const char *name)
> +static inline struct pinctrl * __must_check devm_pinctrl_get_select(struct device *dev,
> + const char *name)
> {
> struct pinctrl *p;
> struct pinctrl_state *s;
> @@ -203,8 +201,7 @@ static inline struct pinctrl * __must_check devm_pinctrl_get_select(
> return p;
> }
>
> -static inline struct pinctrl * __must_check devm_pinctrl_get_select_default(
> - struct device *dev)
> +static inline struct pinctrl * __must_check devm_pinctrl_get_select_default(struct device *dev)
> {
> return devm_pinctrl_get_select(dev, PINCTRL_STATE_DEFAULT);
> }
> diff --git a/include/linux/pinctrl/devinfo.h b/include/linux/pinctrl/devinfo.h
> index a48ff69acddd..9e8b559e1253 100644
> --- a/include/linux/pinctrl/devinfo.h
> +++ b/include/linux/pinctrl/devinfo.h
> @@ -14,11 +14,15 @@
> #ifndef PINCTRL_DEVINFO_H
> #define PINCTRL_DEVINFO_H
>
> +struct device;
> +
> #ifdef CONFIG_PINCTRL
>
> /* The device core acts as a consumer toward pinctrl */
> #include <linux/pinctrl/consumer.h>
>
> +struct pinctrl;
> +
> /**
> * struct dev_pin_info - pin state container for devices
> * @p: pinctrl handle for the containing device
> @@ -42,8 +46,6 @@ extern int pinctrl_init_done(struct device *dev);
>
> #else
>
> -struct device;
> -
> /* Stubs if we're not using pinctrl */
>
> static inline int pinctrl_bind_pins(struct device *dev)
> diff --git a/include/linux/pinctrl/machine.h b/include/linux/pinctrl/machine.h
> index e987dc9fd2af..0639b36f43c5 100644
> --- a/include/linux/pinctrl/machine.h
> +++ b/include/linux/pinctrl/machine.h
> @@ -11,7 +11,7 @@
> #ifndef __LINUX_PINCTRL_MACHINE_H
> #define __LINUX_PINCTRL_MACHINE_H
>
> -#include <linux/bug.h>
> +#include <linux/kernel.h> /* ARRAY_SIZE() */
>
> #include <linux/pinctrl/pinctrl-state.h>
>
> @@ -149,16 +149,18 @@ struct pinctrl_map {
> #define PIN_MAP_CONFIGS_GROUP_HOG_DEFAULT(dev, grp, cfgs) \
> PIN_MAP_CONFIGS_GROUP(dev, PINCTRL_STATE_DEFAULT, dev, grp, cfgs)
>
> +struct pinctrl_map;
> +
> #ifdef CONFIG_PINCTRL
>
> extern int pinctrl_register_mappings(const struct pinctrl_map *map,
> - unsigned num_maps);
> + unsigned num_maps);
> extern void pinctrl_unregister_mappings(const struct pinctrl_map *map);
> extern void pinctrl_provide_dummies(void);
> #else
>
> static inline int pinctrl_register_mappings(const struct pinctrl_map *map,
> - unsigned num_maps)
> + unsigned num_maps)
> {
> return 0;
> }
> diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h
> index 2422211d6a5a..940fc4e9e17c 100644
> --- a/include/linux/pinctrl/pinconf-generic.h
> +++ b/include/linux/pinctrl/pinconf-generic.h
> @@ -11,9 +11,12 @@
> #ifndef __LINUX_PINCTRL_PINCONF_GENERIC_H
> #define __LINUX_PINCTRL_PINCONF_GENERIC_H
>
> -#include <linux/device.h>
> +#include <linux/types.h>
> +
> #include <linux/pinctrl/machine.h>
>
> +struct device_node;
> +
> struct pinctrl_dev;
> struct pinctrl_map;
>
> @@ -196,25 +199,25 @@ int pinconf_generic_dt_node_to_map(struct pinctrl_dev *pctldev,
> void pinconf_generic_dt_free_map(struct pinctrl_dev *pctldev,
> struct pinctrl_map *map, unsigned num_maps);
>
> -static inline int pinconf_generic_dt_node_to_map_group(
> - struct pinctrl_dev *pctldev, struct device_node *np_config,
> - struct pinctrl_map **map, unsigned *num_maps)
> +static inline int pinconf_generic_dt_node_to_map_group(struct pinctrl_dev *pctldev,
> + struct device_node *np_config, struct pinctrl_map **map,
> + unsigned *num_maps)
> {
> return pinconf_generic_dt_node_to_map(pctldev, np_config, map, num_maps,
> PIN_MAP_TYPE_CONFIGS_GROUP);
> }
>
> -static inline int pinconf_generic_dt_node_to_map_pin(
> - struct pinctrl_dev *pctldev, struct device_node *np_config,
> - struct pinctrl_map **map, unsigned *num_maps)
> +static inline int pinconf_generic_dt_node_to_map_pin(struct pinctrl_dev *pctldev,
> + struct device_node *np_config, struct pinctrl_map **map,
> + unsigned *num_maps)
> {
> return pinconf_generic_dt_node_to_map(pctldev, np_config, map, num_maps,
> PIN_MAP_TYPE_CONFIGS_PIN);
> }
>
> -static inline int pinconf_generic_dt_node_to_map_all(
> - struct pinctrl_dev *pctldev, struct device_node *np_config,
> - struct pinctrl_map **map, unsigned *num_maps)
> +static inline int pinconf_generic_dt_node_to_map_all(struct pinctrl_dev *pctldev,
> + struct device_node *np_config, struct pinctrl_map **map,
> + unsigned *num_maps)
> {
> /*
> * passing the type as PIN_MAP_TYPE_INVALID causes the underlying parser
> diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
> index 487117ccb1bc..31fe992412f0 100644
> --- a/include/linux/pinctrl/pinctrl.h
> +++ b/include/linux/pinctrl/pinctrl.h
> @@ -11,20 +11,20 @@
> #ifndef __LINUX_PINCTRL_PINCTRL_H
> #define __LINUX_PINCTRL_PINCTRL_H
>
> -#include <linux/radix-tree.h>
> -#include <linux/list.h>
> -#include <linux/seq_file.h>
> -#include <linux/pinctrl/pinctrl-state.h>
> -#include <linux/pinctrl/devinfo.h>
> +#include <linux/types.h>
>
> struct device;
> +struct device_node;
> +struct gpio_chip;
> +struct module;
> +struct seq_file;
> +
> +struct pin_config_item;
> +struct pinconf_generic_params;
> +struct pinconf_ops;
> struct pinctrl_dev;
> struct pinctrl_map;
> struct pinmux_ops;
> -struct pinconf_ops;
> -struct pin_config_item;
> -struct gpio_chip;
> -struct device_node;
>
> /**
> * struct pingroup - provides information on pingroup
> diff --git a/include/linux/pinctrl/pinmux.h b/include/linux/pinctrl/pinmux.h
> index 9a647fa5c8f1..a7e370965c53 100644
> --- a/include/linux/pinctrl/pinmux.h
> +++ b/include/linux/pinctrl/pinmux.h
> @@ -11,11 +11,10 @@
> #ifndef __LINUX_PINCTRL_PINMUX_H
> #define __LINUX_PINCTRL_PINMUX_H
>
> -#include <linux/list.h>
> -#include <linux/seq_file.h>
> -#include <linux/pinctrl/pinctrl.h>
> +#include <linux/types.h>
>
> struct pinctrl_dev;
> +struct pinctrl_gpio_range;
>
> /**
> * struct pinmux_ops - pinmux operations, to be implemented by pin controller

Next message: David Hildenbrand: "Re: [PATCH -next] selftests/memory-hotplug: Remove the redundant warning information"
Previous message: haifeng.xu: "[PATCH] cgroup: optimize the account of nr_cgrps"
In reply to: kernel test robot: "Re: [PATCH v2 36/36] pinctrl: Clean up headers"
Next in thread: Geert Uytterhoeven: "Re: [PATCH v2 36/36] pinctrl: Clean up headers"
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