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staging/android: create a 'sync' dir for debugfs information 

Creates the 'sync' dir on debugfs root dir and move the 'sync' file
to sync/info. This is the preparation to add more debug info and control.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gustavo Padovan 2016-01-21 10:49:17 -02:00 committed by Greg Kroah-Hartman
parent 27e3917ab9
commit 8a00448461
1 changed files with 17 additions and 4 deletions
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21
drivers/staging/android/sync_debug.c
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@ -15,6 +15,7 @@
*/
#include <linux/debugfs.h>
#include <linux/module.h>
#include <linux/export.h>
#include <linux/file.h>
#include <linux/fs.h>
@ -30,6 +31,8 @@
#ifdef CONFIG_DEBUG_FS
static struct dentry *dbgfs;
static LIST_HEAD(sync_timeline_list_head);
static DEFINE_SPINLOCK(sync_timeline_list_lock);
static LIST_HEAD(sync_fence_list_head);
@ -192,13 +195,13 @@ static int sync_debugfs_show(struct seq_file *s, void *unused)
return 0;
}
static int sync_debugfs_open(struct inode *inode, struct file *file)
static int sync_info_debugfs_open(struct inode *inode, struct file *file)
{
return single_open(file, sync_debugfs_show, inode->i_private);
}
static const struct file_operations sync_debugfs_fops = {
.open = sync_debugfs_open,
static const struct file_operations sync_info_debugfs_fops = {
.open = sync_info_debugfs_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
@ -206,11 +209,21 @@ static const struct file_operations sync_debugfs_fops = {
static __init int sync_debugfs_init(void)
{
debugfs_create_file("sync", S_IRUGO, NULL, NULL, &sync_debugfs_fops);
dbgfs = debugfs_create_dir("sync", NULL);
debugfs_create_file("info", 0444, dbgfs, NULL, &sync_info_debugfs_fops);
return 0;
}
late_initcall(sync_debugfs_init);
static __exit void sync_debugfs_exit(void)
{
if (dbgfs)
debugfs_remove_recursive(dbgfs);
}
module_exit(sync_debugfs_exit);
#define DUMP_CHUNK 256
static char sync_dump_buf[64 * 1024];
void sync_dump(void)