[PATCH v2] drm/amdgpu: Fix build warning for TA debugfs interface

[Candice Li]

Remove the redundant codes to fix build warning
when CONFIG_DEBUG_FS is disabled.

Reported-by: Randy Dunlap <rdun...@infradead.org>
Signed-off-by: Candice Li <candice...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c | 43 ++++++----------------
 1 file changed, 12 insertions(+), 31 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c
index 6806deb098d3f7..97ea2246bc1ddb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c
@@ -24,13 +24,6 @@
 #include "amdgpu.h"
 #include "amdgpu_psp_ta.h"
 
-static const char *TA_IF_FS_NAME = "ta_if";
-
-struct dentry *dir;
-static struct dentry *ta_load_debugfs_dentry;
-static struct dentry *ta_unload_debugfs_dentry;
-static struct dentry *ta_invoke_debugfs_dentry;
-
 static ssize_t ta_if_load_debugfs_write(struct file *fp, const char *buf,
                                            size_t len, loff_t *off);
 static ssize_t ta_if_unload_debugfs_write(struct file *fp, const char *buf,
@@ -38,7 +31,6 @@ static ssize_t ta_if_unload_debugfs_write(struct file *fp, 
const char *buf,
 static ssize_t ta_if_invoke_debugfs_write(struct file *fp, const char *buf,
                                            size_t len, loff_t *off);
 
-
 static uint32_t get_bin_version(const uint8_t *bin)
 {
        const struct common_firmware_header *hdr =
@@ -74,19 +66,19 @@ static bool is_ta_type_valid(enum ta_type_id ta_type)
 }
 
 static const struct file_operations ta_load_debugfs_fops = {
-       .write   = ta_if_load_debugfs_write,
+       .write  = ta_if_load_debugfs_write,
        .llseek = default_llseek,
        .owner  = THIS_MODULE
 };
 
 static const struct file_operations ta_unload_debugfs_fops = {
-       .write   = ta_if_unload_debugfs_write,
+       .write  = ta_if_unload_debugfs_write,
        .llseek = default_llseek,
        .owner  = THIS_MODULE
 };
 
 static const struct file_operations ta_invoke_debugfs_fops = {
-       .write   = ta_if_invoke_debugfs_write,
+       .write  = ta_if_invoke_debugfs_write,
        .llseek = default_llseek,
        .owner  = THIS_MODULE
 };
@@ -286,31 +278,20 @@ static ssize_t ta_if_invoke_debugfs_write(struct file 
*fp, const char *buf, size
        return ret;
 }
 
-static struct dentry *amdgpu_ta_if_debugfs_create(struct amdgpu_device *adev)
+void amdgpu_ta_if_debugfs_init(struct amdgpu_device *adev)
 {
+#if defined(CONFIG_DEBUG_FS)
        struct drm_minor *minor = adev_to_drm(adev)->primary;
 
-       dir = debugfs_create_dir(TA_IF_FS_NAME, minor->debugfs_root);
-
-       ta_load_debugfs_dentry = debugfs_create_file("ta_load", 0200, dir, adev,
-                                                    &ta_load_debugfs_fops);
+       struct dentry *dir = debugfs_create_dir("ta_if", minor->debugfs_root);
 
-       ta_unload_debugfs_dentry = debugfs_create_file("ta_unload", 0200, dir,
-                                                    adev, 
&ta_unload_debugfs_fops);
+       debugfs_create_file("ta_load", 0200, dir, adev,
+                                    &ta_load_debugfs_fops);
 
-       ta_invoke_debugfs_dentry = debugfs_create_file("ta_invoke", 0200, dir,
-                                                    adev, 
&ta_invoke_debugfs_fops);
-       return dir;
-}
+       debugfs_create_file("ta_unload", 0200, dir,
+                                    adev, &ta_unload_debugfs_fops);
 
-void amdgpu_ta_if_debugfs_init(struct amdgpu_device *adev)
-{
-#if defined(CONFIG_DEBUG_FS)
-       dir = amdgpu_ta_if_debugfs_create(adev);
+       debugfs_create_file("ta_invoke", 0200, dir,
+                                    adev, &ta_invoke_debugfs_fops);
 #endif
 }
-
-void amdgpu_ta_if_debugfs_remove(void)
-{
-       debugfs_remove_recursive(dir);
-}
-- 
2.17.1