[PATCH] arm: ptdump: convert to DEFINE_SHOW_ATTRIBUTE

From: Jisheng Zhang
Date: Mon Mar 29 2021 - 23:21:26 EST


Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx>
---
arch/arm/mm/ptdump_debugfs.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/arch/arm/mm/ptdump_debugfs.c b/arch/arm/mm/ptdump_debugfs.c
index 8df9afac8d81..318de969ae0f 100644
--- a/arch/arm/mm/ptdump_debugfs.c
+++ b/arch/arm/mm/ptdump_debugfs.c
@@ -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)
{
--
2.31.0