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debugfs: use DEFINE_SHOW_ATTRIBUTE to define debugfs_regset32_fops

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Use DEFINE_SHOW_ATTRIBUTE helper macro to simplify the code.

Signed-off-by: ChenXiaoSong <chenxiaosong2@huawei.com>
Link: https://lore.kernel.org/r/20220923102554.2443452-1-chenxiaosong2@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
ChenXiaoSong 2022-09-23 18:25:54 +08:00 committed by Greg Kroah-Hartman
parent d70590d53a
commit 19029f3f47
1 changed files with 3 additions and 13 deletions
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16
fs/debugfs/file.c
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@ -1121,7 +1121,7 @@ void debugfs_print_regs32(struct seq_file *s, const struct debugfs_reg32 *regs,
}
EXPORT_SYMBOL_GPL(debugfs_print_regs32);
static int debugfs_show_regset32(struct seq_file *s, void *data)
static int debugfs_regset32_show(struct seq_file *s, void *data)
{
struct debugfs_regset32 *regset = s->private;
@ -1136,17 +1136,7 @@ static int debugfs_show_regset32(struct seq_file *s, void *data)
return 0;
}
static int debugfs_open_regset32(struct inode *inode, struct file *file)
{
return single_open(file, debugfs_show_regset32, inode->i_private);
}
static const struct file_operations fops_regset32 = {
.open = debugfs_open_regset32,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
DEFINE_SHOW_ATTRIBUTE(debugfs_regset32);
/**
* debugfs_create_regset32 - create a debugfs file that returns register values
@ -1167,7 +1157,7 @@ void debugfs_create_regset32(const char *name, umode_t mode,
struct dentry *parent,
struct debugfs_regset32 *regset)
{
debugfs_create_file(name, mode, parent, regset, &fops_regset32);
debugfs_create_file(name, mode, parent, regset, &debugfs_regset32_fops);
}
EXPORT_SYMBOL_GPL(debugfs_create_regset32);