bk://kernel.bkbits.net/gregkh/linux/driver-2.6 gregkh@suse.de[gregkh]|ChangeSet|20050315231013|41856 gregkh # This is a BitKeeper generated diff -Nru style patch. # # ChangeSet # 2005/03/15 15:10:13-08:00 gregkh@suse.de # [PATCH] USB: move the usb hcd code to use the new class code. # # This moves a kref into the main hcd structure, which detaches it from # the class device structure. # # Signed-off-by: Greg Kroah-Hartman # # include/linux/usb.h # 2005/03/15 14:44:25-08:00 gregkh@suse.de +2 -3 # USB: move the usb hcd code to use the new class code. # # drivers/usb/host/ohci-dbg.c # 2005/03/15 14:44:25-08:00 gregkh@suse.de +5 -5 # USB: move the usb hcd code to use the new class code. # # drivers/usb/host/ehci-dbg.c # 2005/03/15 14:44:25-08:00 gregkh@suse.de +5 -5 # USB: move the usb hcd code to use the new class code. # # drivers/usb/core/hcd.c # 2005/03/15 14:50:06-08:00 gregkh@suse.de +27 -34 # USB: move the usb hcd code to use the new class code. # # ChangeSet # 2005/03/15 14:26:30-08:00 gregkh@suse.de # [PATCH] INPUT: move to use the new class code, instead of class_simple # # Signed-off-by: Greg Kroah-Hartman # # include/linux/input.h # 2005/03/15 08:54:28-08:00 gregkh@suse.de +1 -1 # INPUT: move to use the new class code, instead of class_simple # # drivers/input/tsdev.c # 2005/03/15 08:54:28-08:00 gregkh@suse.de +5 -4 # INPUT: move to use the new class code, instead of class_simple # # drivers/input/mousedev.c # 2005/03/15 08:54:28-08:00 gregkh@suse.de +9 -7 # INPUT: move to use the new class code, instead of class_simple # # drivers/input/joydev.c # 2005/03/15 08:54:28-08:00 gregkh@suse.de +4 -4 # INPUT: move to use the new class code, instead of class_simple # # drivers/input/input.c # 2005/03/15 08:54:28-08:00 gregkh@suse.de +5 -5 # INPUT: move to use the new class code, instead of class_simple # # drivers/input/evdev.c # 2005/03/15 08:54:28-08:00 gregkh@suse.de +5 -4 # INPUT: move to use the new class code, instead of class_simple # # ChangeSet # 2005/03/15 14:23:15-08:00 gregkh@suse.de # [PATCH] tty: move to use the new class code, instead of class_simple # # Signed-off-by: Greg Kroah-Hartman # # drivers/char/tty_io.c # 2005/03/15 08:54:22-08:00 gregkh@suse.de +8 -8 # tty: move to use the new class code, instead of class_simple # # ChangeSet # 2005/03/15 11:54:21-08:00 gregkh@suse.de # [PATCH] CLASS: move a "simple" class logic into the class core. # # One step on improving the class api so that it can not be used incorrectly. # This also fixes the module owner issue with the dev files that happened when # the devt logic moved to the class core. # # Based on a patch originally written by Kay Sievers # # Signed-off-by: Greg Kroah-Hartman # # include/linux/device.h # 2005/03/15 08:52:00-08:00 gregkh@suse.de +8 -0 # CLASS: move a "simple" class logic into the class core. # # drivers/base/class.c # 2005/03/15 08:52:00-08:00 gregkh@suse.de +133 -10 # CLASS: move a "simple" class logic into the class core. # diff -Nru a/drivers/base/class.c b/drivers/base/class.c --- a/drivers/base/class.c 2005-03-15 23:55:40 -08:00 +++ b/drivers/base/class.c 2005-03-15 23:55:40 -08:00 @@ -16,6 +16,7 @@ #include #include #include +#include #include "base.h" #define to_class_attr(_attr) container_of(_attr, struct class_attribute, attr) @@ -162,6 +163,51 @@ subsystem_unregister(&cls->subsys); } +static void class_create_release(struct class *cls) +{ + kfree(cls); +} + +static void class_device_create_release(struct class_device *class_dev) +{ + kfree(class_dev); +} + +struct class *class_create(struct module *owner, char *name) +{ + struct class *cls; + int retval; + + cls = kmalloc(sizeof(struct class), GFP_KERNEL); + if (!cls) { + retval = -ENOMEM; + goto error; + } + memset(cls, 0x00, sizeof(struct class)); + + cls->name = name; + cls->owner = owner; + cls->class_release = class_create_release; + cls->release = class_device_create_release; + + retval = class_register(cls); + if (retval) + goto error; + + return cls; + +error: + kfree(cls); + return ERR_PTR(retval); +} + +void class_destroy(struct class *cls) +{ + if ((cls == NULL) || (IS_ERR(cls))) + return; + + class_unregister(cls); +} /* Class Device Stuff */ @@ -375,7 +421,6 @@ { return print_dev_t(buf, class_dev->devt); } -static CLASS_DEVICE_ATTR(dev, S_IRUGO, show_dev, NULL); void class_device_initialize(struct class_device *class_dev) { @@ -412,7 +457,31 @@ if ((error = kobject_add(&class_dev->kobj))) goto register_done; - /* now take care of our own registration */ + /* add the needed attributes to this device */ + if (MAJOR(class_dev->devt)) { + struct class_device_attribute *attr; + attr = kmalloc(sizeof(*attr), GFP_KERNEL); + if (!attr) { + error = -ENOMEM; + kobject_del(&class_dev->kobj); + goto register_done; + } + memset(attr, sizeof(*attr), 0x00); + attr->attr.name = "dev"; + attr->attr.mode = S_IRUGO; + attr->attr.owner = parent->owner; + attr->show = show_dev; + attr->store = NULL; + class_device_create_file(class_dev, attr); + class_dev->devt_attr = attr; + } + + class_device_add_attrs(class_dev); + if (class_dev->dev) + sysfs_create_link(&class_dev->kobj, + &class_dev->dev->kobj, "device"); + + /* notify any interfaces this device is now here */ if (parent) { down(&parent->sem); list_add_tail(&class_dev->node, &parent->children); @@ -422,14 +491,6 @@ up(&parent->sem); } - if (MAJOR(class_dev->devt)) - class_device_create_file(class_dev, &class_device_attr_dev); - - class_device_add_attrs(class_dev); - if (class_dev->dev) - sysfs_create_link(&class_dev->kobj, - &class_dev->dev->kobj, "device"); - register_done: if (error && parent) class_put(parent); @@ -443,6 +504,41 @@ return class_device_add(class_dev); } +struct class_device *class_device_create(struct class *cls, dev_t devt, + struct device *device, char *fmt, ...) +{ + va_list args; + struct class_device *class_dev = NULL; + int retval = -ENODEV; + + if (cls == NULL || IS_ERR(cls)) + goto error; + + class_dev = kmalloc(sizeof(struct class_device), GFP_KERNEL); + if (!class_dev) { + retval = -ENOMEM; + goto error; + } + memset(class_dev, 0x00, sizeof(struct class_device)); + + class_dev->devt = devt; + class_dev->dev = device; + class_dev->class = cls; + + va_start(args, fmt); + vsnprintf(class_dev->class_id, BUS_ID_SIZE, fmt, args); + va_end(args); + retval = class_device_register(class_dev); + if (retval) + goto error; + + return class_dev; + +error: + kfree(class_dev); + return ERR_PTR(retval); +} + void class_device_del(struct class_device *class_dev) { struct class * parent = class_dev->class; @@ -459,6 +555,11 @@ if (class_dev->dev) sysfs_remove_link(&class_dev->kobj, "device"); + if (class_dev->devt_attr) { + class_device_remove_file(class_dev, class_dev->devt_attr); + kfree(class_dev->devt_attr); + class_dev->devt_attr = NULL; + } class_device_remove_attrs(class_dev); kobject_del(&class_dev->kobj); @@ -475,6 +576,24 @@ class_device_put(class_dev); } +void class_device_destroy(struct class *cls, dev_t devt) +{ + struct class_device *class_dev = NULL; + struct class_device *class_dev_tmp; + + down(&cls->sem); + list_for_each_entry(class_dev_tmp, &cls->children, node) { + if (class_dev_tmp->devt == devt) { + class_dev = class_dev_tmp; + break; + } + } + up(&cls->sem); + + if (class_dev) + class_device_unregister(class_dev); +} + int class_device_rename(struct class_device *class_dev, char *new_name) { int error = 0; @@ -574,6 +693,8 @@ EXPORT_SYMBOL_GPL(class_unregister); EXPORT_SYMBOL_GPL(class_get); EXPORT_SYMBOL_GPL(class_put); +EXPORT_SYMBOL_GPL(class_create); +EXPORT_SYMBOL_GPL(class_destroy); EXPORT_SYMBOL_GPL(class_device_register); EXPORT_SYMBOL_GPL(class_device_unregister); @@ -582,6 +703,8 @@ EXPORT_SYMBOL_GPL(class_device_del); EXPORT_SYMBOL_GPL(class_device_get); EXPORT_SYMBOL_GPL(class_device_put); +EXPORT_SYMBOL_GPL(class_device_create); +EXPORT_SYMBOL_GPL(class_device_destroy); EXPORT_SYMBOL_GPL(class_device_create_file); EXPORT_SYMBOL_GPL(class_device_remove_file); EXPORT_SYMBOL_GPL(class_device_create_bin_file); diff -Nru a/drivers/char/tty_io.c b/drivers/char/tty_io.c --- a/drivers/char/tty_io.c 2005-03-15 23:55:40 -08:00 +++ b/drivers/char/tty_io.c 2005-03-15 23:55:40 -08:00 @@ -2653,7 +2653,7 @@ tty->driver->write(tty, &ch, 1); } -static struct class_simple *tty_class; +static struct class *tty_class; /** * tty_register_device - register a tty device @@ -2686,7 +2686,7 @@ pty_line_name(driver, index, name); else tty_line_name(driver, index, name); - class_simple_device_add(tty_class, dev, device, name); + class_device_create(tty_class, dev, device, name); } /** @@ -2700,7 +2700,7 @@ void tty_unregister_device(struct tty_driver *driver, unsigned index) { devfs_remove("%s%d", driver->devfs_name, index + driver->name_base); - class_simple_device_remove(MKDEV(driver->major, driver->minor_start) + index); + class_device_destroy(tty_class, MKDEV(driver->major, driver->minor_start) + index); } EXPORT_SYMBOL(tty_register_device); @@ -2917,7 +2917,7 @@ static int __init tty_class_init(void) { - tty_class = class_simple_create(THIS_MODULE, "tty"); + tty_class = class_create(THIS_MODULE, "tty"); if (IS_ERR(tty_class)) return PTR_ERR(tty_class); return 0; @@ -2946,14 +2946,14 @@ register_chrdev_region(MKDEV(TTYAUX_MAJOR, 0), 1, "/dev/tty") < 0) panic("Couldn't register /dev/tty driver\n"); devfs_mk_cdev(MKDEV(TTYAUX_MAJOR, 0), S_IFCHR|S_IRUGO|S_IWUGO, "tty"); - class_simple_device_add(tty_class, MKDEV(TTYAUX_MAJOR, 0), NULL, "tty"); + class_device_create(tty_class, MKDEV(TTYAUX_MAJOR, 0), NULL, "tty"); cdev_init(&console_cdev, &console_fops); if (cdev_add(&console_cdev, MKDEV(TTYAUX_MAJOR, 1), 1) || register_chrdev_region(MKDEV(TTYAUX_MAJOR, 1), 1, "/dev/console") < 0) panic("Couldn't register /dev/console driver\n"); devfs_mk_cdev(MKDEV(TTYAUX_MAJOR, 1), S_IFCHR|S_IRUSR|S_IWUSR, "console"); - class_simple_device_add(tty_class, MKDEV(TTYAUX_MAJOR, 1), NULL, "console"); + class_device_create(tty_class, MKDEV(TTYAUX_MAJOR, 1), NULL, "console"); #ifdef CONFIG_UNIX98_PTYS cdev_init(&ptmx_cdev, &ptmx_fops); @@ -2961,7 +2961,7 @@ register_chrdev_region(MKDEV(TTYAUX_MAJOR, 2), 1, "/dev/ptmx") < 0) panic("Couldn't register /dev/ptmx driver\n"); devfs_mk_cdev(MKDEV(TTYAUX_MAJOR, 2), S_IFCHR|S_IRUGO|S_IWUGO, "ptmx"); - class_simple_device_add(tty_class, MKDEV(TTYAUX_MAJOR, 2), NULL, "ptmx"); + class_device_create(tty_class, MKDEV(TTYAUX_MAJOR, 2), NULL, "ptmx"); #endif #ifdef CONFIG_VT @@ -2970,7 +2970,7 @@ register_chrdev_region(MKDEV(TTY_MAJOR, 0), 1, "/dev/vc/0") < 0) panic("Couldn't register /dev/tty0 driver\n"); devfs_mk_cdev(MKDEV(TTY_MAJOR, 0), S_IFCHR|S_IRUSR|S_IWUSR, "vc/0"); - class_simple_device_add(tty_class, MKDEV(TTY_MAJOR, 0), NULL, "tty0"); + class_device_create(tty_class, MKDEV(TTY_MAJOR, 0), NULL, "tty0"); vty_init(); #endif diff -Nru a/drivers/input/evdev.c b/drivers/input/evdev.c --- a/drivers/input/evdev.c 2005-03-15 23:55:40 -08:00 +++ b/drivers/input/evdev.c 2005-03-15 23:55:40 -08:00 @@ -431,9 +431,9 @@ devfs_mk_cdev(MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor), S_IFCHR|S_IRUGO|S_IWUSR, "input/event%d", minor); - class_simple_device_add(input_class, - MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor), - dev->dev, "event%d", minor); + class_device_create(input_class, + MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor), + dev->dev, "event%d", minor); return &evdev->handle; } @@ -443,7 +443,8 @@ struct evdev *evdev = handle->private; struct evdev_list *list; - class_simple_device_remove(MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + evdev->minor)); + class_device_destroy(input_class, + MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + evdev->minor)); devfs_remove("input/event%d", evdev->minor); evdev->exist = 0; diff -Nru a/drivers/input/input.c b/drivers/input/input.c --- a/drivers/input/input.c 2005-03-15 23:55:40 -08:00 +++ b/drivers/input/input.c 2005-03-15 23:55:40 -08:00 @@ -702,13 +702,13 @@ static inline int input_proc_init(void) { return 0; } #endif -struct class_simple *input_class; +struct class *input_class; static int __init input_init(void) { int retval = -ENOMEM; - input_class = class_simple_create(THIS_MODULE, "input"); + input_class = class_create(THIS_MODULE, "input"); if (IS_ERR(input_class)) return PTR_ERR(input_class); input_proc_init(); @@ -718,7 +718,7 @@ remove_proc_entry("devices", proc_bus_input_dir); remove_proc_entry("handlers", proc_bus_input_dir); remove_proc_entry("input", proc_bus); - class_simple_destroy(input_class); + class_destroy(input_class); return retval; } @@ -728,7 +728,7 @@ remove_proc_entry("handlers", proc_bus_input_dir); remove_proc_entry("input", proc_bus); unregister_chrdev(INPUT_MAJOR, "input"); - class_simple_destroy(input_class); + class_destroy(input_class); } return retval; } @@ -741,7 +741,7 @@ devfs_remove("input"); unregister_chrdev(INPUT_MAJOR, "input"); - class_simple_destroy(input_class); + class_destroy(input_class); } subsys_initcall(input_init); diff -Nru a/drivers/input/joydev.c b/drivers/input/joydev.c --- a/drivers/input/joydev.c 2005-03-15 23:55:40 -08:00 +++ b/drivers/input/joydev.c 2005-03-15 23:55:40 -08:00 @@ -452,9 +452,9 @@ devfs_mk_cdev(MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor), S_IFCHR|S_IRUGO|S_IWUSR, "input/js%d", minor); - class_simple_device_add(input_class, - MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor), - dev->dev, "js%d", minor); + class_device_create(input_class, + MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor), + dev->dev, "js%d", minor); return &joydev->handle; } @@ -464,7 +464,7 @@ struct joydev *joydev = handle->private; struct joydev_list *list; - class_simple_device_remove(MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + joydev->minor)); + class_device_destroy(input_class, MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + joydev->minor)); devfs_remove("input/js%d", joydev->minor); joydev->exist = 0; diff -Nru a/drivers/input/mousedev.c b/drivers/input/mousedev.c --- a/drivers/input/mousedev.c 2005-03-15 23:55:40 -08:00 +++ b/drivers/input/mousedev.c 2005-03-15 23:55:40 -08:00 @@ -642,9 +642,9 @@ devfs_mk_cdev(MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + minor), S_IFCHR|S_IRUGO|S_IWUSR, "input/mouse%d", minor); - class_simple_device_add(input_class, - MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + minor), - dev->dev, "mouse%d", minor); + class_device_create(input_class, + MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + minor), + dev->dev, "mouse%d", minor); return &mousedev->handle; } @@ -654,7 +654,8 @@ struct mousedev *mousedev = handle->private; struct mousedev_list *list; - class_simple_device_remove(MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + mousedev->minor)); + class_device_destroy(input_class, + MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + mousedev->minor)); devfs_remove("input/mouse%d", mousedev->minor); mousedev->exist = 0; @@ -730,8 +731,8 @@ devfs_mk_cdev(MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + MOUSEDEV_MIX), S_IFCHR|S_IRUGO|S_IWUSR, "input/mice"); - class_simple_device_add(input_class, MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + MOUSEDEV_MIX), - NULL, "mice"); + class_device_create(input_class, + MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + MOUSEDEV_MIX), NULL, "mice"); #ifdef CONFIG_INPUT_MOUSEDEV_PSAUX if (!(psaux_registered = !misc_register(&psaux_mouse))) @@ -750,7 +751,8 @@ misc_deregister(&psaux_mouse); #endif devfs_remove("input/mice"); - class_simple_device_remove(MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + MOUSEDEV_MIX)); + class_device_destroy(input_class, + MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + MOUSEDEV_MIX)); input_unregister_handler(&mousedev_handler); } diff -Nru a/drivers/input/tsdev.c b/drivers/input/tsdev.c --- a/drivers/input/tsdev.c 2005-03-15 23:55:40 -08:00 +++ b/drivers/input/tsdev.c 2005-03-15 23:55:40 -08:00 @@ -414,9 +414,9 @@ S_IFCHR|S_IRUGO|S_IWUSR, "input/ts%d", minor); devfs_mk_cdev(MKDEV(INPUT_MAJOR, TSDEV_MINOR_BASE + minor + TSDEV_MINORS/2), S_IFCHR|S_IRUGO|S_IWUSR, "input/tsraw%d", minor); - class_simple_device_add(input_class, - MKDEV(INPUT_MAJOR, TSDEV_MINOR_BASE + minor), - dev->dev, "ts%d", minor); + class_device_create(input_class, + MKDEV(INPUT_MAJOR, TSDEV_MINOR_BASE + minor), + dev->dev, "ts%d", minor); return &tsdev->handle; } @@ -426,7 +426,8 @@ struct tsdev *tsdev = handle->private; struct tsdev_list *list; - class_simple_device_remove(MKDEV(INPUT_MAJOR, TSDEV_MINOR_BASE + tsdev->minor)); + class_device_destroy(input_class, + MKDEV(INPUT_MAJOR, TSDEV_MINOR_BASE + tsdev->minor)); devfs_remove("input/ts%d", tsdev->minor); devfs_remove("input/tsraw%d", tsdev->minor); tsdev->exist = 0; diff -Nru a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c --- a/drivers/usb/core/hcd.c 2005-03-15 23:55:40 -08:00 +++ b/drivers/usb/core/hcd.c 2005-03-15 23:55:40 -08:00 @@ -648,50 +648,45 @@ /*-------------------------------------------------------------------------*/ /* exported only within usbcore */ -struct usb_bus *usb_bus_get (struct usb_bus *bus) +struct usb_bus *usb_bus_get(struct usb_bus *bus) { - struct class_device *tmp; + if (bus) + kref_get(&bus->kref); + return bus; +} - if (!bus) - return NULL; +static void usb_host_release(struct kref *kref) +{ + struct usb_bus *bus = container_of(kref, struct usb_bus, kref); - tmp = class_device_get(&bus->class_dev); - if (tmp) - return to_usb_bus(tmp); - else - return NULL; + if (bus->release) + bus->release(bus); } /* exported only within usbcore */ -void usb_bus_put (struct usb_bus *bus) +void usb_bus_put(struct usb_bus *bus) { if (bus) - class_device_put(&bus->class_dev); + kref_put(&bus->kref, usb_host_release); } /*-------------------------------------------------------------------------*/ -static void usb_host_release(struct class_device *class_dev) -{ - struct usb_bus *bus = to_usb_bus(class_dev); - - if (bus->release) - bus->release(bus); -} - -static struct class usb_host_class = { - .name = "usb_host", - .release = &usb_host_release, -}; +static struct class *usb_host_class; int usb_host_init(void) { - return class_register(&usb_host_class); + int retval = 0; + + usb_host_class = class_create(THIS_MODULE, "usb_host"); + if (IS_ERR(usb_host_class)) + retval = PTR_ERR(usb_host_class); + return retval; } void usb_host_cleanup(void) { - class_unregister(&usb_host_class); + class_destroy(usb_host_class); } /** @@ -716,8 +711,7 @@ INIT_LIST_HEAD (&bus->bus_list); - class_device_initialize(&bus->class_dev); - bus->class_dev.class = &usb_host_class; + kref_init(&bus->kref); } EXPORT_SYMBOL (usb_bus_init); @@ -760,7 +754,6 @@ int usb_register_bus(struct usb_bus *bus) { int busnum; - int retval; down (&usb_bus_list_lock); busnum = find_next_zero_bit (busmap.busmap, USB_MAXBUS, 1); @@ -773,15 +766,15 @@ return -E2BIG; } - snprintf(bus->class_dev.class_id, BUS_ID_SIZE, "usb%d", busnum); - bus->class_dev.dev = bus->controller; - retval = class_device_add(&bus->class_dev); - if (retval) { + bus->class_dev = class_device_create(usb_host_class, MKDEV(0,0), bus->controller, "usb%d", busnum); + if (IS_ERR(bus->class_dev)) { clear_bit(busnum, busmap.busmap); up(&usb_bus_list_lock); - return retval; + return PTR_ERR(bus->class_dev); } + class_set_devdata(bus->class_dev, bus); + /* Add it to the local list of buses */ list_add (&bus->bus_list, &usb_bus_list); up (&usb_bus_list_lock); @@ -820,7 +813,7 @@ clear_bit (bus->busnum, busmap.busmap); - class_device_del(&bus->class_dev); + class_device_unregister(bus->class_dev); } EXPORT_SYMBOL (usb_deregister_bus); diff -Nru a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c --- a/drivers/usb/host/ehci-dbg.c 2005-03-15 23:55:40 -08:00 +++ b/drivers/usb/host/ehci-dbg.c 2005-03-15 23:55:40 -08:00 @@ -450,7 +450,7 @@ *buf = 0; - bus = to_usb_bus(class_dev); + bus = class_get_devdata(class_dev); hcd = bus->hcpriv; ehci = hcd_to_ehci (hcd); next = buf; @@ -496,7 +496,7 @@ return 0; seen_count = 0; - bus = to_usb_bus(class_dev); + bus = class_get_devdata(class_dev); hcd = bus->hcpriv; ehci = hcd_to_ehci (hcd); next = buf; @@ -633,7 +633,7 @@ static char fmt [] = "%*s\n"; static char label [] = ""; - bus = to_usb_bus(class_dev); + bus = class_get_devdata(class_dev); hcd = bus->hcpriv; ehci = hcd_to_ehci (hcd); next = buf; @@ -735,7 +735,7 @@ static inline void create_debug_files (struct ehci_hcd *ehci) { - struct class_device *cldev = &ehci_to_hcd(ehci)->self.class_dev; + struct class_device *cldev = ehci_to_hcd(ehci)->self.class_dev; class_device_create_file(cldev, &class_device_attr_async); class_device_create_file(cldev, &class_device_attr_periodic); @@ -744,7 +744,7 @@ static inline void remove_debug_files (struct ehci_hcd *ehci) { - struct class_device *cldev = &ehci_to_hcd(ehci)->self.class_dev; + struct class_device *cldev = ehci_to_hcd(ehci)->self.class_dev; class_device_remove_file(cldev, &class_device_attr_async); class_device_remove_file(cldev, &class_device_attr_periodic); diff -Nru a/drivers/usb/host/ohci-dbg.c b/drivers/usb/host/ohci-dbg.c --- a/drivers/usb/host/ohci-dbg.c 2005-03-15 23:55:40 -08:00 +++ b/drivers/usb/host/ohci-dbg.c 2005-03-15 23:55:40 -08:00 @@ -477,7 +477,7 @@ size_t temp; unsigned long flags; - bus = to_usb_bus(class_dev); + bus = class_get_devdata(class_dev); hcd = bus->hcpriv; ohci = hcd_to_ohci(hcd); @@ -510,7 +510,7 @@ return 0; seen_count = 0; - bus = to_usb_bus(class_dev); + bus = class_get_devdata(class_dev); hcd = bus->hcpriv; ohci = hcd_to_ohci(hcd); next = buf; @@ -607,7 +607,7 @@ char *next; u32 rdata; - bus = to_usb_bus(class_dev); + bus = class_get_devdata(class_dev); hcd = bus->hcpriv; ohci = hcd_to_ohci(hcd); regs = ohci->regs; @@ -678,7 +678,7 @@ static inline void create_debug_files (struct ohci_hcd *ohci) { - struct class_device *cldev = &ohci_to_hcd(ohci)->self.class_dev; + struct class_device *cldev = ohci_to_hcd(ohci)->self.class_dev; class_device_create_file(cldev, &class_device_attr_async); class_device_create_file(cldev, &class_device_attr_periodic); @@ -688,7 +688,7 @@ static inline void remove_debug_files (struct ohci_hcd *ohci) { - struct class_device *cldev = &ohci_to_hcd(ohci)->self.class_dev; + struct class_device *cldev = ohci_to_hcd(ohci)->self.class_dev; class_device_remove_file(cldev, &class_device_attr_async); class_device_remove_file(cldev, &class_device_attr_periodic); diff -Nru a/include/linux/device.h b/include/linux/device.h --- a/include/linux/device.h 2005-03-15 23:55:40 -08:00 +++ b/include/linux/device.h 2005-03-15 23:55:40 -08:00 @@ -143,6 +143,7 @@ */ struct class { char * name; + struct module * owner; struct subsystem subsys; struct list_head children; @@ -185,6 +186,7 @@ struct kobject kobj; struct class * class; /* required */ dev_t devt; /* dev_t, creates the sysfs "dev" */ + struct class_device_attribute *devt_attr; struct device * dev; /* not necessary, but nice to have */ void * class_data; /* class-specific data */ @@ -244,6 +246,12 @@ extern int class_interface_register(struct class_interface *); extern void class_interface_unregister(struct class_interface *); + +extern struct class *class_create(struct module *owner, char *name); +extern void class_destroy(struct class *cls); +extern struct class_device *class_device_create(struct class *cls, dev_t devt, + struct device *device, char *fmt, ...); +extern void class_device_destroy(struct class *cls, dev_t devt); /* interface for class simple stuff */ extern struct class_simple *class_simple_create(struct module *owner, char *name); diff -Nru a/include/linux/input.h b/include/linux/input.h --- a/include/linux/input.h 2005-03-15 23:55:40 -08:00 +++ b/include/linux/input.h 2005-03-15 23:55:40 -08:00 @@ -1010,7 +1010,7 @@ dev->absbit[LONG(axis)] |= BIT(axis); } -extern struct class_simple *input_class; +extern struct class *input_class; #endif #endif diff -Nru a/include/linux/usb.h b/include/linux/usb.h --- a/include/linux/usb.h 2005-03-15 23:55:40 -08:00 +++ b/include/linux/usb.h 2005-03-15 23:55:40 -08:00 @@ -287,15 +287,14 @@ struct dentry *usbfs_dentry; /* usbfs dentry entry for the bus */ - struct class_device class_dev; /* class device for this bus */ + struct class_device *class_dev; /* class device for this bus */ + struct kref kref; /* handles reference counting this bus */ void (*release)(struct usb_bus *bus); /* function to destroy this bus's memory */ #if defined(CONFIG_USB_MON) || defined(CONFIG_USB_MON_MODULE) struct mon_bus *mon_bus; /* non-null when associated */ int monitored; /* non-zero when monitored */ #endif }; -#define to_usb_bus(d) container_of(d, struct usb_bus, class_dev) - /* -------------------------------------------------------------------------- */