linux-kernel - [PATCH 3/6] driver core: driver.h: remove extern from function prototypes

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Date:   Fri, 24 Mar 2023 13:27:08 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Subject: [PATCH 3/6] driver core: driver.h: remove extern from function prototypes

The kernel coding style does not require 'extern' in function prototypes
in .h files, so remove them from include/linux/device/driver.h as they
are not needed.

Cc: "Rafael J. Wysocki" <rafael@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 include/linux/device/driver.h | 26 +++++++++++---------------
 1 file changed, 11 insertions(+), 15 deletions(-)

diff --git a/include/linux/device/driver.h b/include/linux/device/driver.h
index 0f22a6f46f8c..c244267a6744 100644
--- a/include/linux/device/driver.h
+++ b/include/linux/device/driver.h
@@ -122,13 +122,12 @@ struct device_driver {
 };
 
 
-extern int __must_check driver_register(struct device_driver *drv);
-extern void driver_unregister(struct device_driver *drv);
+int __must_check driver_register(struct device_driver *drv);
+void driver_unregister(struct device_driver *drv);
 
-extern struct device_driver *driver_find(const char *name,
-					 const struct bus_type *bus);
-extern int driver_probe_done(void);
-extern void wait_for_device_probe(void);
+struct device_driver *driver_find(const char *name, const struct bus_type *bus);
+int driver_probe_done(void);
+void wait_for_device_probe(void);
 void __init wait_for_init_devices_probe(void);
 
 /* sysfs interface for exporting driver attributes */
@@ -147,18 +146,15 @@ struct driver_attribute {
 #define DRIVER_ATTR_WO(_name) \
 	struct driver_attribute driver_attr_##_name = __ATTR_WO(_name)
 
-extern int __must_check driver_create_file(struct device_driver *driver,
-					const struct driver_attribute *attr);
-extern void driver_remove_file(struct device_driver *driver,
-			       const struct driver_attribute *attr);
+int __must_check driver_create_file(struct device_driver *driver,
+				    const struct driver_attribute *attr);
+void driver_remove_file(struct device_driver *driver,
+			const struct driver_attribute *attr);
 
 int driver_set_override(struct device *dev, const char **override,
 			const char *s, size_t len);
-extern int __must_check driver_for_each_device(struct device_driver *drv,
-					       struct device *start,
-					       void *data,
-					       int (*fn)(struct device *dev,
-							 void *));
+int __must_check driver_for_each_device(struct device_driver *drv, struct device *start,
+					void *data, int (*fn)(struct device *dev, void *));
 struct device *driver_find_device(struct device_driver *drv,
 				  struct device *start, const void *data,
 				  int (*match)(struct device *dev, const void *data));
-- 
2.40.0