From: Qinglang Miao <miaoqinglang@huawei.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Russell King <linux@armlinux.org.uk>
Cc: <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH -next] arm: dump: Convert to DEFINE_SHOW_ATTRIBUTE
Date: Thu, 16 Jul 2020 17:07:39 +0800 [thread overview]
Message-ID: <20200716090739.14553-1-miaoqinglang@huawei.com> (raw)
From: Chen Huang <chenhuang5@huawei.com>
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Chen Huang <chenhuang5@huawei.com>
---
arch/arm/mm/ptdump_debugfs.c | 12 +-----------
1 file changed, 1 insertion(+), 11 deletions(-)
diff --git a/arch/arm/mm/ptdump_debugfs.c b/arch/arm/mm/ptdump_debugfs.c
index ec30bf13c..6a62bceab 100644
--- a/arch/arm/mm/ptdump_debugfs.c
+++ b/arch/arm/mm/ptdump_debugfs.c
@@ -12,17 +12,7 @@ static int ptdump_show(struct seq_file *m, void *v)
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_iter = seq_read_iter,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(ptdump);
void ptdump_debugfs_register(struct ptdump_info *info, const char *name)
{
--
2.17.1
reply other threads:[~2020-07-16 9:03 UTC|newest]
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