firmware: move firmware_class from Documentation/ to samples/

Move the firmware_class sample drivers to samples/ so that they are
buildable and can be maintained.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

samples/firmware_class/firmware_sample_driver.c

@@ -40,7 +40,7 @@ static void sample_probe_default(void)
 		       "firmware_sample_driver: Firmware not available\n");
 		return;
 	}
-	
+
 	sample_firmware_load(fw_entry->data, fw_entry->size);
 
 	release_firmware(fw_entry);
@@ -62,7 +62,7 @@ static void sample_probe_specific(void)
 		       "firmware_sample_driver: Firmware load failed\n");
 		return;
 	}
-	
+
 	/* request_firmware blocks until userspace finished, so at
 	 * this point the firmware should be already in the device */
 
@@ -89,7 +89,7 @@ static void sample_probe_async(void)
 					 "my device pointer",
 					 sample_probe_async_cont);
 	if(error){
-		printk(KERN_ERR 
+		printk(KERN_ERR
 		       "firmware_sample_driver:"
 		       " request_firmware_nowait failed\n");
 	}

samples/firmware_class/firmware_sample_firmware_class.c

@@ -56,7 +56,7 @@ static ssize_t firmware_loading_store(struct class_device *class_dev,
 	int prev_loading = fw_priv->loading;
 
 	fw_priv->loading = simple_strtol(buf, NULL, 10);
-	
+
 	switch(fw_priv->loading){
 	case -1:
 		/* abort load an panic */
@@ -152,7 +152,7 @@ static int fw_setup_class_device(struct class_device *class_dev,
 	}
 
 	goto out;
-	
+
 error_remove_data:
 	sysfs_remove_bin_file(&class_dev->kobj, &firmware_attr_data);
 error_unreg_class_dev:
@@ -202,6 +202,6 @@ static void __exit firmware_sample_exit(void)
 	kfree(fw_priv);
 	kfree(class_dev);
 }
+
 module_init(firmware_sample_init);
 module_exit(firmware_sample_exit);
-