Use DEFINE_DEBUGFS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTRIBUTE
for debugfs files.
Semantic patch information:
Rationale: DEFINE_SIMPLE_ATTRIBUTE + debugfs_create_file()
imposes some significant overhead as compared to
DEFINE_DEBUGFS_ATTRIBUTE + debugfs_create_file_unsafe().
Generated by: scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
-DEFINE_SIMPLE_ATTRIBUTE(ssi_sst_div_fops, ssi_div_get, ssi_div_set, "%llu\n");
+DEFINE_DEBUGFS_ATTRIBUTE(ssi_sst_div_fops, ssi_div_get, ssi_div_set, "%llu\n");
static int ssi_debug_add_port(struct omap_ssi_port *omap_port,
struct dentry *dir)
static int ssi_debug_add_port(struct omap_ssi_port *omap_port,
struct dentry *dir)
dir = debugfs_create_dir("sst", dir);
if (!dir)
return -ENOMEM;
dir = debugfs_create_dir("sst", dir);
if (!dir)
return -ENOMEM;
- debugfs_create_file("divisor", S_IRUGO | S_IWUSR, dir, port,
- &ssi_sst_div_fops);
+ debugfs_create_file_unsafe("divisor", 0644, dir, port,
+ &ssi_sst_div_fops);