[PATCH] inode_diet: Replace inode.u.generic_ip with inode.i_private

[pandora-kernel.git] / drivers / net / wireless / bcm43xx / bcm43xx_debugfs.c

diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c
index 2600ee4..b9df06a 100644 (file)
--- a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c
@@ -54,7 +54,7 @@ static ssize_t write_file_dummy(struct file *file, const char __user *buf,
 
 static int open_file_generic(struct inode *inode, struct file *file)
 {
-       file->private_data = inode->u.generic_ip;
+       file->private_data = inode->i_private;
        return 0;
 }
 
@@ -316,6 +316,42 @@ static ssize_t txstat_read_file(struct file *file, char __user *userbuf,
        return res;
 }
 
+static ssize_t restart_write_file(struct file *file, const char __user *user_buf,
+                                 size_t count, loff_t *ppos)
+{
+       struct bcm43xx_private *bcm = file->private_data;
+       char *buf = really_big_buffer;
+       ssize_t buf_size;
+       ssize_t res;
+       unsigned long flags;
+
+       buf_size = min(count, sizeof (really_big_buffer) - 1);
+       down(&big_buffer_sem);
+       if (copy_from_user(buf, user_buf, buf_size)) {
+               res = -EFAULT;
+               goto out_up;
+       }
+       mutex_lock(&(bcm)->mutex);
+       spin_lock_irqsave(&(bcm)->irq_lock, flags);
+       if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) {
+               printk(KERN_INFO PFX "debugfs: Board not initialized.\n");
+               res = -EFAULT;
+               goto out_unlock;
+       }
+       if (count > 0 && buf[0] == '1') {
+               bcm43xx_controller_restart(bcm, "manually restarted");
+               res = count;
+       } else
+               res = -EINVAL;
+
+out_unlock:
+       spin_unlock_irqrestore(&(bcm)->irq_lock, flags);
+       mutex_unlock(&(bcm)->mutex);
+out_up:
+       up(&big_buffer_sem);
+       return res;
+}
+
 #undef fappend
 
 
@@ -349,6 +385,11 @@ static struct file_operations txstat_fops = {
        .open = open_file_generic,
 };
 
+static struct file_operations restart_fops = {
+       .write = restart_write_file,
+       .open = open_file_generic,
+};
+
 
 void bcm43xx_debugfs_add_device(struct bcm43xx_private *bcm)
 {
@@ -400,6 +441,10 @@ void bcm43xx_debugfs_add_device(struct bcm43xx_private *bcm)
                                                bcm, &txstat_fops);
        if (!e->dentry_txstat)
                printk(KERN_ERR PFX "debugfs: creating \"tx_status\" for \"%s\" failed!\n", devdir);
+       e->dentry_restart = debugfs_create_file("restart", 0222, e->subdir,
+                                               bcm, &restart_fops);
+       if (!e->dentry_restart)
+               printk(KERN_ERR PFX "debugfs: creating \"restart\" for \"%s\" failed!\n", devdir);
 }
 
 void bcm43xx_debugfs_remove_device(struct bcm43xx_private *bcm)
@@ -415,6 +460,7 @@ void bcm43xx_debugfs_remove_device(struct bcm43xx_private *bcm)
        debugfs_remove(e->dentry_devinfo);
        debugfs_remove(e->dentry_tsf);
        debugfs_remove(e->dentry_txstat);
+       debugfs_remove(e->dentry_restart);
        debugfs_remove(e->subdir);
        kfree(e->xmitstatus_buffer);
        kfree(e->xmitstatus_print_buffer);