#include <linux/random.h>
#include <linux/major.h>
#include <linux/proc_fs.h>
-#include <linux/kobject_uevent.h>
#include <linux/interrupt.h>
#include <linux/poll.h>
#include <linux/device.h>
list_for_each_entry(dev, &input_dev_list, node) {
- path = dev->dynalloc ? kobject_get_path(&dev->cdev.kobj, GFP_KERNEL) : NULL;
+ path = kobject_get_path(&dev->cdev.kobj, GFP_KERNEL);
len = sprintf(buf, "I: Bus=%04x Vendor=%04x Product=%04x Version=%04x\n",
dev->id.bustype, dev->id.vendor, dev->id.product, dev->id.version);
entry->owner = THIS_MODULE;
input_fileops = *entry->proc_fops;
+ input_fileops.poll = input_devices_poll;
entry->proc_fops = &input_fileops;
- entry->proc_fops->poll = input_devices_poll;
entry = create_proc_read_entry("handlers", 0, proc_bus_input_dir, input_handlers_read, NULL);
if (!entry)
INPUT_DEV_STRING_ATTR_SHOW(phys);
INPUT_DEV_STRING_ATTR_SHOW(uniq);
+static int print_modalias_bits(char *buf, char prefix, unsigned long *arr,
+ unsigned int min, unsigned int max)
+{
+ int len, i;
+
+ len = sprintf(buf, "%c", prefix);
+ for (i = min; i < max; i++)
+ if (arr[LONG(i)] & BIT(i))
+ len += sprintf(buf+len, "%X,", i);
+ return len;
+}
+
+static ssize_t input_dev_show_modalias(struct class_device *dev, char *buf)
+{
+ struct input_dev *id = to_input_dev(dev);
+ ssize_t len = 0;
+
+ len += sprintf(buf+len, "input:b%04Xv%04Xp%04Xe%04X-",
+ id->id.bustype,
+ id->id.vendor,
+ id->id.product,
+ id->id.version);
+
+ len += print_modalias_bits(buf+len, 'e', id->evbit, 0, EV_MAX);
+ len += print_modalias_bits(buf+len, 'k', id->keybit,
+ KEY_MIN_INTERESTING, KEY_MAX);
+ len += print_modalias_bits(buf+len, 'r', id->relbit, 0, REL_MAX);
+ len += print_modalias_bits(buf+len, 'a', id->absbit, 0, ABS_MAX);
+ len += print_modalias_bits(buf+len, 'm', id->mscbit, 0, MSC_MAX);
+ len += print_modalias_bits(buf+len, 'l', id->ledbit, 0, LED_MAX);
+ len += print_modalias_bits(buf+len, 's', id->sndbit, 0, SND_MAX);
+ len += print_modalias_bits(buf+len, 'f', id->ffbit, 0, FF_MAX);
+ len += print_modalias_bits(buf+len, 'w', id->swbit, 0, SW_MAX);
+ len += sprintf(buf+len, "\n");
+ return len;
+}
+static CLASS_DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL);
+
static struct attribute *input_dev_attrs[] = {
&class_device_attr_name.attr,
&class_device_attr_phys.attr,
&class_device_attr_uniq.attr,
+ &class_device_attr_modalias.attr,
NULL
};
-static struct attribute_group input_dev_group = {
+static struct attribute_group input_dev_attr_group = {
.attrs = input_dev_attrs,
};
}
/*
- * Input hotplugging interface - loading event handlers based on
+ * Input uevent interface - loading event handlers based on
* device bitfields.
*/
-static int input_add_hotplug_bm_var(char **envp, int num_envp, int *cur_index,
+static int input_add_uevent_bm_var(char **envp, int num_envp, int *cur_index,
char *buffer, int buffer_size, int *cur_len,
const char *name, unsigned long *bitmap, int max)
{
#define INPUT_ADD_HOTPLUG_VAR(fmt, val...) \
do { \
- int err = add_hotplug_env_var(envp, num_envp, &i, \
+ int err = add_uevent_var(envp, num_envp, &i, \
buffer, buffer_size, &len, \
fmt, val); \
if (err) \
#define INPUT_ADD_HOTPLUG_BM_VAR(name, bm, max) \
do { \
- int err = input_add_hotplug_bm_var(envp, num_envp, &i, \
+ int err = input_add_uevent_bm_var(envp, num_envp, &i, \
buffer, buffer_size, &len, \
name, bm, max); \
if (err) \
return err; \
} while (0)
-static int input_dev_hotplug(struct class_device *cdev, char **envp,
- int num_envp, char *buffer, int buffer_size)
+static int input_dev_uevent(struct class_device *cdev, char **envp,
+ int num_envp, char *buffer, int buffer_size)
{
struct input_dev *dev = to_input_dev(cdev);
int i = 0;
INPUT_ADD_HOTPLUG_VAR("NAME=\"%s\"", dev->name);
if (dev->phys)
INPUT_ADD_HOTPLUG_VAR("PHYS=\"%s\"", dev->phys);
- if (dev->phys)
+ if (dev->uniq)
INPUT_ADD_HOTPLUG_VAR("UNIQ=\"%s\"", dev->uniq);
INPUT_ADD_HOTPLUG_BM_VAR("EV=", dev->evbit, EV_MAX);
struct class input_class = {
.name = "input",
.release = input_dev_release,
- .hotplug = input_dev_hotplug,
+ .uevent = input_dev_uevent,
};
struct input_dev *input_allocate_device(void)
return dev;
}
-static void input_register_classdevice(struct input_dev *dev)
+int input_register_device(struct input_dev *dev)
{
static atomic_t input_no = ATOMIC_INIT(0);
- const char *path;
-
- __module_get(THIS_MODULE);
-
- dev->dev = dev->cdev.dev;
-
- snprintf(dev->cdev.class_id, sizeof(dev->cdev.class_id),
- "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1);
-
- path = kobject_get_path(&dev->cdev.class->subsys.kset.kobj, GFP_KERNEL);
- printk(KERN_INFO "input: %s as %s/%s\n",
- dev->name ? dev->name : "Unspecified device",
- path ? path : "", dev->cdev.class_id);
- kfree(path);
-
- class_device_add(&dev->cdev);
- sysfs_create_group(&dev->cdev.kobj, &input_dev_group);
- sysfs_create_group(&dev->cdev.kobj, &input_dev_id_attr_group);
- sysfs_create_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
-}
-
-void input_register_device(struct input_dev *dev)
-{
struct input_handle *handle;
struct input_handler *handler;
struct input_device_id *id;
+ const char *path;
+ int error;
- set_bit(EV_SYN, dev->evbit);
+ if (!dev->dynalloc) {
+ printk(KERN_WARNING "input: device %s is statically allocated, will not register\n"
+ "Please convert to input_allocate_device() or contact dtor_core@ameritech.net\n",
+ dev->name ? dev->name : "<Unknown>");
+ return -EINVAL;
+ }
init_MUTEX(&dev->sem);
+ set_bit(EV_SYN, dev->evbit);
/*
* If delay and period are pre-set by the driver, then autorepeating
INIT_LIST_HEAD(&dev->h_list);
list_add_tail(&dev->node, &input_dev_list);
- if (dev->dynalloc)
- input_register_classdevice(dev);
+ dev->cdev.class = &input_class;
+ snprintf(dev->cdev.class_id, sizeof(dev->cdev.class_id),
+ "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1);
+
+ error = class_device_add(&dev->cdev);
+ if (error)
+ return error;
+
+ error = sysfs_create_group(&dev->cdev.kobj, &input_dev_attr_group);
+ if (error)
+ goto fail1;
+
+ error = sysfs_create_group(&dev->cdev.kobj, &input_dev_id_attr_group);
+ if (error)
+ goto fail2;
+
+ error = sysfs_create_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
+ if (error)
+ goto fail3;
+
+ __module_get(THIS_MODULE);
+
+ path = kobject_get_path(&dev->cdev.kobj, GFP_KERNEL);
+ printk(KERN_INFO "input: %s as %s\n",
+ dev->name ? dev->name : "Unspecified device", path ? path : "N/A");
+ kfree(path);
list_for_each_entry(handler, &input_handler_list, node)
if (!handler->blacklist || !input_match_device(handler->blacklist, dev))
if ((handle = handler->connect(handler, dev, id)))
input_link_handle(handle);
-
input_wakeup_procfs_readers();
+
+ return 0;
+
+ fail3: sysfs_remove_group(&dev->cdev.kobj, &input_dev_id_attr_group);
+ fail2: sysfs_remove_group(&dev->cdev.kobj, &input_dev_attr_group);
+ fail1: class_device_del(&dev->cdev);
+ return error;
}
void input_unregister_device(struct input_dev *dev)
list_del_init(&dev->node);
- if (dev->dynalloc) {
- sysfs_remove_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
- sysfs_remove_group(&dev->cdev.kobj, &input_dev_id_attr_group);
- class_device_unregister(&dev->cdev);
- }
+ sysfs_remove_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
+ sysfs_remove_group(&dev->cdev.kobj, &input_dev_id_attr_group);
+ sysfs_remove_group(&dev->cdev.kobj, &input_dev_attr_group);
+ class_device_unregister(&dev->cdev);
input_wakeup_procfs_readers();
}
projects / powerpc.git / blobdiff