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tcx: use standard fields for framebuffer physical address and length
[cascardo/linux.git]
/
fs
/
char_dev.c
diff --git
a/fs/char_dev.c
b/fs/char_dev.c
index
38f7122
..
b7c9d51
100644
(file)
--- a/
fs/char_dev.c
+++ b/
fs/char_dev.c
@@
-375,7
+375,6
@@
static int chrdev_open(struct inode *inode, struct file *filp)
p = inode->i_cdev;
if (!p) {
inode->i_cdev = p = new;
p = inode->i_cdev;
if (!p) {
inode->i_cdev = p = new;
- inode->i_cindex = idx;
list_add(&inode->i_devices, &p->list);
new = NULL;
} else if (!cdev_get(p))
list_add(&inode->i_devices, &p->list);
new = NULL;
} else if (!cdev_get(p))
@@
-405,6
+404,18
@@
static int chrdev_open(struct inode *inode, struct file *filp)
return ret;
}
return ret;
}
+int cdev_index(struct inode *inode)
+{
+ int idx;
+ struct kobject *kobj;
+
+ kobj = kobj_lookup(cdev_map, inode->i_rdev, &idx);
+ if (!kobj)
+ return -1;
+ kobject_put(kobj);
+ return idx;
+}
+
void cd_forget(struct inode *inode)
{
spin_lock(&cdev_lock);
void cd_forget(struct inode *inode)
{
spin_lock(&cdev_lock);
@@
-557,6
+568,7
@@
EXPORT_SYMBOL(cdev_init);
EXPORT_SYMBOL(cdev_alloc);
EXPORT_SYMBOL(cdev_del);
EXPORT_SYMBOL(cdev_add);
EXPORT_SYMBOL(cdev_alloc);
EXPORT_SYMBOL(cdev_del);
EXPORT_SYMBOL(cdev_add);
+EXPORT_SYMBOL(cdev_index);
EXPORT_SYMBOL(register_chrdev);
EXPORT_SYMBOL(unregister_chrdev);
EXPORT_SYMBOL(directly_mappable_cdev_bdi);
EXPORT_SYMBOL(register_chrdev);
EXPORT_SYMBOL(unregister_chrdev);
EXPORT_SYMBOL(directly_mappable_cdev_bdi);