[PATCH 1/2] ARM: dump: Convert to use DEFINE_SHOW_ATTRIBUTE macro

From: Peng Donglin
Date: Tue Jun 12 2018 - 21:15:25 EST


Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Peng Donglin <dolinux.peng@xxxxxxxxx>
---
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 be8d87b..79002fe 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);

int ptdump_debugfs_register(struct ptdump_info *info, const char *name)
{
--
2.7.4