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mtd: use DEFINE_SHOW_ATTRIBUTE() instead of open-coding it

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DEFINE_SHOW_ATTRIBUTE macro can help us simplify the code, so change
to it. And change the DEBUGFS_RO_ATTR macro defined in some file to a
standard macro.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
This commit is contained in:
Yangtao Li
2018-12-02 03:33:58 -05:00
committed by Boris Brezillon
parent bafae53817
commit c78f59d714
4 changed files with 12 additions and 45 deletions
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13
drivers/mtd/mtdswap.c
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@@ -1265,18 +1265,7 @@ static int mtdswap_show(struct seq_file *s, void *data)
return 0;
}
static int mtdswap_open(struct inode *inode, struct file *file)
{
return single_open(file, mtdswap_show, inode->i_private);
}
static const struct file_operations mtdswap_fops = {
.open = mtdswap_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
DEFINE_SHOW_ATTRIBUTE(mtdswap);
static int mtdswap_add_debugfs(struct mtdswap_dev *d)
{