From d19fbe8a763634395d4bef40fc88cdb61c4a6274 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 15 Sep 2005 02:01:39 -0500 Subject: [PATCH] Input: prepare to sysfs integration Input: prepare to sysfs integration Add struct class_device to input_dev; add input_allocate_dev() to dynamically allocate input devices; dynamically allocated devices are automatically registered with sysfs. Signed-off-by: Dmitry Torokhov Signed-off-by: Greg Kroah-Hartman --- include/linux/input.h | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) (limited to 'include/linux/input.h') diff --git a/include/linux/input.h b/include/linux/input.h index e8c296ff6257..3defa29a17d3 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -12,6 +12,7 @@ #ifdef __KERNEL__ #include #include +#include #else #include #include @@ -889,11 +890,15 @@ struct input_dev { struct semaphore sem; /* serializes open and close operations */ unsigned int users; - struct device *dev; + struct class_device cdev; + struct device *dev; /* will be removed soon */ + + int dynalloc; /* temporarily */ struct list_head h_list; struct list_head node; }; +#define to_input_dev(d) container_of(d, struct input_dev, cdev) /* * Structure for hotplug & device<->driver matching. @@ -984,6 +989,23 @@ static inline void init_input_dev(struct input_dev *dev) INIT_LIST_HEAD(&dev->node); } +struct input_dev *input_allocate_device(void); + +static inline void input_free_device(struct input_dev *dev) +{ + kfree(dev); +} + +static inline struct input_dev *input_get_device(struct input_dev *dev) +{ + return to_input_dev(class_device_get(&dev->cdev)); +} + +static inline void input_put_device(struct input_dev *dev) +{ + class_device_put(&dev->cdev); +} + void input_register_device(struct input_dev *); void input_unregister_device(struct input_dev *); -- cgit v1.2.3 From 23d50901617c2a8bdef509279a42d2e90f523db9 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 27 Oct 2005 22:25:43 -0700 Subject: [PATCH] INPUT: export input_dev_class so that input drivers can use it. Signed-off-by: Greg Kroah-Hartman --- drivers/input/input.c | 3 ++- include/linux/input.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) (limited to 'include/linux/input.h') diff --git a/drivers/input/input.c b/drivers/input/input.c index 03c2ca404f20..b0ede4cc72b7 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -40,6 +40,7 @@ EXPORT_SYMBOL(input_accept_process); EXPORT_SYMBOL(input_flush_device); EXPORT_SYMBOL(input_event); EXPORT_SYMBOL(input_class); +EXPORT_SYMBOL_GPL(input_dev_class); #define INPUT_DEVICES 256 @@ -724,7 +725,7 @@ static void input_dev_release(struct class_device *class_dev) module_put(THIS_MODULE); } -static struct class input_dev_class = { +struct class input_dev_class = { .name = "input_dev", .release = input_dev_release, .class_dev_attrs = input_dev_attrs, diff --git a/include/linux/input.h b/include/linux/input.h index 3defa29a17d3..5de844157fa9 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -1075,6 +1075,7 @@ static inline void input_set_abs_params(struct input_dev *dev, int axis, int min } extern struct class *input_class; +extern struct class input_dev_class; #endif #endif -- cgit v1.2.3 From b0fdfebb205fcbf394c3db39679a766b8fc4f07d Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 27 Oct 2005 22:25:43 -0700 Subject: [PATCH] INPUT: remove the input_class structure, as it is unused. Signed-off-by: Greg Kroah-Hartman --- drivers/input/input.c | 18 +++--------------- include/linux/input.h | 1 - 2 files changed, 3 insertions(+), 16 deletions(-) (limited to 'include/linux/input.h') diff --git a/drivers/input/input.c b/drivers/input/input.c index 0d570cf92dc2..5c9044dbf00e 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -39,7 +39,6 @@ EXPORT_SYMBOL(input_close_device); EXPORT_SYMBOL(input_accept_process); EXPORT_SYMBOL(input_flush_device); EXPORT_SYMBOL(input_event); -EXPORT_SYMBOL(input_class); EXPORT_SYMBOL_GPL(input_dev_class); #define INPUT_DEVICES 256 @@ -927,8 +926,6 @@ static struct file_operations input_fops = { .open = input_open_file, }; -struct class *input_class; - static int __init input_init(void) { int err; @@ -939,27 +936,19 @@ static int __init input_init(void) return err; } - input_class = class_create(THIS_MODULE, "input"); - if (IS_ERR(input_class)) { - printk(KERN_ERR "input: unable to register input class\n"); - err = PTR_ERR(input_class); - goto fail1; - } - err = input_proc_init(); if (err) - goto fail2; + goto fail1; err = register_chrdev(INPUT_MAJOR, "input", &input_fops); if (err) { printk(KERN_ERR "input: unable to register char major %d", INPUT_MAJOR); - goto fail3; + goto fail2; } return 0; - fail3: input_proc_exit(); - fail2: class_destroy(input_class); + fail2: input_proc_exit(); fail1: class_unregister(&input_dev_class); return err; } @@ -968,7 +957,6 @@ static void __exit input_exit(void) { input_proc_exit(); unregister_chrdev(INPUT_MAJOR, "input"); - class_destroy(input_class); class_unregister(&input_dev_class); } diff --git a/include/linux/input.h b/include/linux/input.h index 5de844157fa9..256e88755f12 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -1074,7 +1074,6 @@ static inline void input_set_abs_params(struct input_dev *dev, int axis, int min dev->absbit[LONG(axis)] |= BIT(axis); } -extern struct class *input_class; extern struct class input_dev_class; #endif -- cgit v1.2.3 From ea9f240bd819f9299703283e5326da606bbb4b05 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 27 Oct 2005 22:25:43 -0700 Subject: [PATCH] INPUT: rename input_dev_class to input_class to be correct. Signed-off-by: Greg Kroah-Hartman --- drivers/input/evdev.c | 4 ++-- drivers/input/input.c | 14 +++++++------- drivers/input/joydev.c | 4 ++-- drivers/input/mousedev.c | 8 ++++---- drivers/input/tsdev.c | 4 ++-- include/linux/input.h | 2 +- 6 files changed, 18 insertions(+), 18 deletions(-) (limited to 'include/linux/input.h') diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 579041ded4be..2a96b260a2a8 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -686,7 +686,7 @@ static struct input_handle *evdev_connect(struct input_handler *handler, struct evdev_table[minor] = evdev; - class_device_create(&input_dev_class, &dev->cdev, + class_device_create(&input_class, &dev->cdev, MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor), dev->cdev.dev, "event%d", minor); @@ -698,7 +698,7 @@ static void evdev_disconnect(struct input_handle *handle) struct evdev *evdev = handle->private; struct evdev_list *list; - class_device_destroy(&input_dev_class, + class_device_destroy(&input_class, MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + evdev->minor)); evdev->exist = 0; diff --git a/drivers/input/input.c b/drivers/input/input.c index 5c9044dbf00e..a8f65fa7e17a 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -39,7 +39,7 @@ EXPORT_SYMBOL(input_close_device); EXPORT_SYMBOL(input_accept_process); EXPORT_SYMBOL(input_flush_device); EXPORT_SYMBOL(input_event); -EXPORT_SYMBOL_GPL(input_dev_class); +EXPORT_SYMBOL_GPL(input_class); #define INPUT_DEVICES 256 @@ -729,8 +729,8 @@ static void input_dev_release(struct class_device *class_dev) module_put(THIS_MODULE); } -struct class input_dev_class = { - .name = "input_dev", +struct class input_class = { + .name = "input", .release = input_dev_release, }; @@ -741,7 +741,7 @@ struct input_dev *input_allocate_device(void) dev = kzalloc(sizeof(struct input_dev), GFP_KERNEL); if (dev) { dev->dynalloc = 1; - dev->cdev.class = &input_dev_class; + dev->cdev.class = &input_class; class_device_initialize(&dev->cdev); INIT_LIST_HEAD(&dev->h_list); INIT_LIST_HEAD(&dev->node); @@ -930,7 +930,7 @@ static int __init input_init(void) { int err; - err = class_register(&input_dev_class); + err = class_register(&input_class); if (err) { printk(KERN_ERR "input: unable to register input_dev class\n"); return err; @@ -949,7 +949,7 @@ static int __init input_init(void) return 0; fail2: input_proc_exit(); - fail1: class_unregister(&input_dev_class); + fail1: class_unregister(&input_class); return err; } @@ -957,7 +957,7 @@ static void __exit input_exit(void) { input_proc_exit(); unregister_chrdev(INPUT_MAJOR, "input"); - class_unregister(&input_dev_class); + class_unregister(&input_class); } subsys_initcall(input_init); diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c index 9c17d1add260..25f7eba4761f 100644 --- a/drivers/input/joydev.c +++ b/drivers/input/joydev.c @@ -513,7 +513,7 @@ static struct input_handle *joydev_connect(struct input_handler *handler, struct joydev_table[minor] = joydev; - class_device_create(&input_dev_class, &dev->cdev, + class_device_create(&input_class, &dev->cdev, MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor), dev->cdev.dev, "js%d", minor); @@ -525,7 +525,7 @@ static void joydev_disconnect(struct input_handle *handle) struct joydev *joydev = handle->private; struct joydev_list *list; - class_device_destroy(&input_dev_class, MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + joydev->minor)); + class_device_destroy(&input_class, MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + joydev->minor)); joydev->exist = 0; if (joydev->open) { diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c index 5ec6291e967f..de2808fc85b3 100644 --- a/drivers/input/mousedev.c +++ b/drivers/input/mousedev.c @@ -648,7 +648,7 @@ static struct input_handle *mousedev_connect(struct input_handler *handler, stru mousedev_table[minor] = mousedev; - class_device_create(&input_dev_class, &dev->cdev, + class_device_create(&input_class, &dev->cdev, MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + minor), dev->cdev.dev, "mouse%d", minor); @@ -660,7 +660,7 @@ static void mousedev_disconnect(struct input_handle *handle) struct mousedev *mousedev = handle->private; struct mousedev_list *list; - class_device_destroy(&input_dev_class, + class_device_destroy(&input_class, MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + mousedev->minor)); mousedev->exist = 0; @@ -734,7 +734,7 @@ static int __init mousedev_init(void) mousedev_mix.exist = 1; mousedev_mix.minor = MOUSEDEV_MIX; - class_device_create(&input_dev_class, NULL, + class_device_create(&input_class, NULL, MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + MOUSEDEV_MIX), NULL, "mice"); #ifdef CONFIG_INPUT_MOUSEDEV_PSAUX @@ -753,7 +753,7 @@ static void __exit mousedev_exit(void) if (psaux_registered) misc_deregister(&psaux_mouse); #endif - class_device_destroy(&input_dev_class, + class_device_destroy(&input_class, MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + MOUSEDEV_MIX)); input_unregister_handler(&mousedev_handler); } diff --git a/drivers/input/tsdev.c b/drivers/input/tsdev.c index 0581edb9a560..75e165736655 100644 --- a/drivers/input/tsdev.c +++ b/drivers/input/tsdev.c @@ -409,7 +409,7 @@ static struct input_handle *tsdev_connect(struct input_handler *handler, tsdev_table[minor] = tsdev; - class_device_create(&input_dev_class, &dev->cdev, + class_device_create(&input_class, &dev->cdev, MKDEV(INPUT_MAJOR, TSDEV_MINOR_BASE + minor), dev->cdev.dev, "ts%d", minor); @@ -421,7 +421,7 @@ static void tsdev_disconnect(struct input_handle *handle) struct tsdev *tsdev = handle->private; struct tsdev_list *list; - class_device_destroy(&input_dev_class, + class_device_destroy(&input_class, MKDEV(INPUT_MAJOR, TSDEV_MINOR_BASE + tsdev->minor)); tsdev->exist = 0; diff --git a/include/linux/input.h b/include/linux/input.h index 256e88755f12..e3d9c08b5cbe 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -1074,7 +1074,7 @@ static inline void input_set_abs_params(struct input_dev *dev, int axis, int min dev->absbit[LONG(axis)] |= BIT(axis); } -extern struct class input_dev_class; +extern struct class input_class; #endif #endif -- cgit v1.2.3