From: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
To: Russell King <linux@armlinux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH] arm: ptdump: convert to DEFINE_SHOW_ATTRIBUTE
Date: Tue, 30 Mar 2021 11:20:15 +0800 [thread overview]
Message-ID: <20210330112015.738f4365@xhacker.debian> (raw)
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
---
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
next reply other threads:[~2021-03-30 3:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-30 3:20 Jisheng Zhang [this message]
2021-04-07 13:48 ` [PATCH] arm: ptdump: convert to DEFINE_SHOW_ATTRIBUTE Steven Price
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