* [PATCH -next v2] arm: dump: Convert to DEFINE_SHOW_ATTRIBUTE
@ 2020-09-19 2:51 Qinglang Miao
0 siblings, 0 replies; only message in thread
From: Qinglang Miao @ 2020-09-19 2:51 UTC (permalink / raw)
To: Russell King; +Cc: Qinglang Miao, linux-kernel, linux-arm-kernel
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
---
v2: based on linux-next(20200917), and can be applied to
mainline cleanly now.
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 598b63661..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 = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(ptdump);
void ptdump_debugfs_register(struct ptdump_info *info, const char *name)
{
--
2.23.0
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