ARM: 9074/1: ptdump: convert to DEFINE_SHOW_ATTRIBUTE
authorJisheng Zhang (syna) <Jisheng.Zhang@synaptics.com>
Mon, 12 Apr 2021 08:14:27 +0000 (09:14 +0100)
committerRussell King <rmk+kernel@armlinux.org.uk>
Sun, 18 Apr 2021 18:15:13 +0000 (19:15 +0100)
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
arch/arm/mm/ptdump_debugfs.c

index 8df9afa..318de96 100644 (file)
@@ -11,18 +11,7 @@ static int ptdump_show(struct seq_file *m, void *v)
        ptdump_walk_pgd(m, info);
        return 0;
 }
-
-static int ptdump_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, ptdump_show, inode->i_private);
-}
-
-static const struct file_operations ptdump_fops = {
-       .open           = ptdump_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(ptdump);
 
 void __init ptdump_debugfs_register(struct ptdump_info *info, const char *name)
 {