From: Peng Donglin <dolinux.peng@gmail.com>
Date: Wed, 13 Jun 2018 01:11:56 +0000 (+0800)
Subject: ARM64: dump: Convert to use DEFINE_SHOW_ATTRIBUTE macro
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=90aff8d091c9c1fa46df45ddd8e73e4c6b6e2b0b;p=openwrt%2Fstaging%2Fblogic.git

ARM64: dump: Convert to use DEFINE_SHOW_ATTRIBUTE macro

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Peng Donglin <dolinux.peng@gmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---

diff --git a/arch/arm64/mm/ptdump_debugfs.c b/arch/arm64/mm/ptdump_debugfs.c
index 02b18f8b2905..24d786fc3a4c 100644
--- a/arch/arm64/mm/ptdump_debugfs.c
+++ b/arch/arm64/mm/ptdump_debugfs.c
@@ -10,18 +10,7 @@ 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)
 {