author: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2019-06-13 13:44:55 +0200
committer: Daniel Vetter <daniel.vetter@ffwll.ch> 2019-06-13 15:10:01 +0200
commit: 90e73491d5db182407ce6b44bf4c88e7fbe706c1
parent: 921721738f4994b54f916f9a3bdd5dfdf26f753c
Commit Summary:
Diffstat:
1 file changed, 7 insertions, 26 deletions
diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
index a132c37d7334..a48d810d6ccb 100644
--- a/drivers/gpu/vga/vga_switcheroo.c
+++ b/drivers/gpu/vga/vga_switcheroo.c
@@ -133,7 +133,6 @@ static DEFINE_MUTEX(vgasr_mutex);
* @delayed_switch_active: whether a delayed switch is pending
* @delayed_client_id: client to which a delayed switch is pending
* @debugfs_root: directory for vga_switcheroo debugfs interface
- * @switch_file: file for vga_switcheroo debugfs interface
* @registered_clients: number of registered GPUs
* (counting only vga clients, not audio clients)
* @clients: list of registered clients
@@ -152,7 +151,6 @@ struct vgasr_priv {
enum vga_switcheroo_client_id delayed_client_id;
struct dentry *debugfs_root;
- struct dentry *switch_file;
int registered_clients;
struct list_head clients;
@@ -168,7 +166,7 @@ struct vgasr_priv {
#define client_is_vga(c) (!client_is_audio(c))
#define client_id(c) ((c)->id & ~ID_BIT_AUDIO)
-static int vga_switcheroo_debugfs_init(struct vgasr_priv *priv);
+static void vga_switcheroo_debugfs_init(struct vgasr_priv *priv);
static void vga_switcheroo_debugfs_fini(struct vgasr_priv *priv);
/* only one switcheroo per system */
@@ -914,38 +912,20 @@ static const struct file_operations vga_switcheroo_debugfs_fops = {
static void vga_switcheroo_debugfs_fini(struct vgasr_priv *priv)
{
- debugfs_remove(priv->switch_file);
- priv->switch_file = NULL;
-
- debugfs_remove(priv->debugfs_root);
+ debugfs_remove_recursive(priv->debugfs_root);
priv->debugfs_root = NULL;
}
-static int vga_switcheroo_debugfs_init(struct vgasr_priv *priv)
+static void vga_switcheroo_debugfs_init(struct vgasr_priv *priv)
{
- static const char mp[] = "/sys/kernel/debug";
-
/* already initialised */
if (priv->debugfs_root)
- return 0;
- priv->debugfs_root = debugfs_create_dir("vgaswitcheroo", NULL);
+ return;
- if (!priv->debugfs_root) {
- pr_err("Cannot create %s/vgaswitcheroo\n", mp);
- goto fail;
- }
+ priv->debugfs_root = debugfs_create_dir("vgaswitcheroo", NULL);
- priv->switch_file = debugfs_create_file("switch", 0644,
- priv->debugfs_root, NULL,
- &vga_switcheroo_debugfs_fops);
- if (!priv->switch_file) {
- pr_err("cannot create %s/vgaswitcheroo/switch\n", mp);
- goto fail;
- }
- return 0;
-fail:
- vga_switcheroo_debugfs_fini(priv);
- return -1;
+ debugfs_create_file("switch", 0644, priv->debugfs_root, NULL,
+ &vga_switcheroo_debugfs_fops);
}
/**