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| author |   Yangtao Li <tiny.windzz@gmail.com> | 2018-12-02 03:33:58 -0500 |
|---|---|---|
| committer |   Boris Brezillon <boris.brezillon@bootlin.com> | 2018-12-03 11:32:26 +0100 |
| commit | c78f59d7145e7f729c8df58fa7f99ecf66225ddc (patch) | |
| tree | d5043a0cc6b3d1f36712c87a414141416ac8dfed /drivers/mtd/nand/raw/nandsim.c | |
| parent | mtd: change len type from signed to unsigned type (diff) | |
| download | linux-dev-c78f59d7145e7f729c8df58fa7f99ecf66225ddc.tar.xz linux-dev-c78f59d7145e7f729c8df58fa7f99ecf66225ddc.zip | |
mtd: use DEFINE_SHOW_ATTRIBUTE() instead of open-coding it
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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/mtd/nand/raw/nandsim.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/mtd/nand/raw/nandsim.c b/drivers/mtd/nand/raw/nandsim.c index c452819f6123..ef8721418f2d 100644 --- a/drivers/mtd/nand/raw/nandsim.c +++ b/drivers/mtd/nand/raw/nandsim.c @@ -443,7 +443,7 @@ static unsigned long total_wear = 0; /* MTD structure for NAND controller */ static struct mtd_info *nsmtd; -static int nandsim_debugfs_show(struct seq_file *m, void *private) +static int nandsim_show(struct seq_file *m, void *private) { unsigned long wmin = -1, wmax = 0, avg; unsigned long deciles[10], decile_max[10], tot = 0; @@ -494,18 +494,7 @@ static int nandsim_debugfs_show(struct seq_file *m, void *private) return 0; } - -static int nandsim_debugfs_open(struct inode *inode, struct file *file) -{ - return single_open(file, nandsim_debugfs_show, inode->i_private); -} - -static const struct file_operations dfs_fops = { - .open = nandsim_debugfs_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(nandsim); /** * nandsim_debugfs_create - initialize debugfs @@ -531,7 +520,7 @@ static int nandsim_debugfs_create(struct nandsim *dev) } dent = debugfs_create_file("nandsim_wear_report", S_IRUSR, - root, dev, &dfs_fops); + root, dev, &nandsim_fops); if (IS_ERR_OR_NULL(dent)) { NS_ERR("cannot create \"nandsim_wear_report\" debugfs entry\n"); return -1; |