[PATCH] remoteproc: convert to DEFINE_SHOW_ATTRIBUTE

From: Yangtao Li
Date: Sat Dec 01 2018 - 10:58:44 EST


Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>
---
drivers/remoteproc/remoteproc_debugfs.c | 28 ++++---------------------
1 file changed, 4 insertions(+), 24 deletions(-)

diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c
index e90135c64af0..f936c2e485ac 100644
--- a/drivers/remoteproc/remoteproc_debugfs.c
+++ b/drivers/remoteproc/remoteproc_debugfs.c
@@ -240,17 +240,7 @@ static int rproc_rsc_table_show(struct seq_file *seq, void *p)
return 0;
}

-static int rproc_rsc_table_open(struct inode *inode, struct file *file)
-{
- return single_open(file, rproc_rsc_table_show, inode->i_private);
-}
-
-static const struct file_operations rproc_rsc_table_ops = {
- .open = rproc_rsc_table_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(rproc_rsc_table);

/* Expose carveout content via debugfs */
static int rproc_carveouts_show(struct seq_file *seq, void *p)
@@ -270,17 +260,7 @@ static int rproc_carveouts_show(struct seq_file *seq, void *p)
return 0;
}

-static int rproc_carveouts_open(struct inode *inode, struct file *file)
-{
- return single_open(file, rproc_carveouts_show, inode->i_private);
-}
-
-static const struct file_operations rproc_carveouts_ops = {
- .open = rproc_carveouts_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(rproc_carveouts);

void rproc_remove_trace_file(struct dentry *tfile)
{
@@ -326,9 +306,9 @@ void rproc_create_debug_dir(struct rproc *rproc)
debugfs_create_file("recovery", 0400, rproc->dbg_dir,
rproc, &rproc_recovery_ops);
debugfs_create_file("resource_table", 0400, rproc->dbg_dir,
- rproc, &rproc_rsc_table_ops);
+ rproc, &rproc_rsc_table_fops);
debugfs_create_file("carveout_memories", 0400, rproc->dbg_dir,
- rproc, &rproc_carveouts_ops);
+ rproc, &rproc_carveouts_fops);
}

void __init rproc_init_debugfs(void)
--
2.17.0