Commit 0022290f authored by Yangtao Li's avatar Yangtao Li Committed by Greg Kroah-Hartman
Browse files

staging: greybus: convert to DEFINE_SHOW_ATTRIBUTE 



Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: default avatarYangtao Li <tiny.windzz@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 892cb81e

drivers/staging/greybus/loopback.c

+2 −14
Original line number Diff line number Diff line
@@ -970,19 +970,7 @@ static int gb_loopback_dbgfs_latency_show(struct seq_file *s, void *unused) 
	return gb_loopback_dbgfs_latency_show_common(s, &gb->kfifo_lat,

						     &gb->mutex);

}



static int gb_loopback_latency_open(struct inode *inode, struct file *file)

{

	return single_open(file, gb_loopback_dbgfs_latency_show,

			   inode->i_private);

}



static const struct file_operations gb_loopback_debugfs_latency_ops = {

	.open		= gb_loopback_latency_open,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.release	= single_release,

};

DEFINE_SHOW_ATTRIBUTE(gb_loopback_dbgfs_latency);



#define DEBUGFS_NAMELEN 32
@@ -1042,7 +1030,7 @@ static int gb_loopback_probe(struct gb_bundle *bundle, 
	snprintf(name, sizeof(name), "raw_latency_%s",

		 dev_name(&connection->bundle->dev));

	gb->file = debugfs_create_file(name, S_IFREG | 0444, gb_dev.root, gb,

				       &gb_loopback_debugfs_latency_ops);

				       &gb_loopback_dbgfs_latency_fops);



	gb->id = ida_simple_get(&loopback_ida, 0, 0, GFP_KERNEL);

	if (gb->id < 0) {