1 files changed, 11 insertions, 25 deletions

diff --git a/drivers/misc/cxl/debugfs.c b/drivers/misc/cxl/debugfs.c
index 1fda22c24c93..7b987bf498b5 100644
--- a/drivers/misc/cxl/debugfs.c
+++ b/drivers/misc/cxl/debugfs.c
@@ -26,11 +26,11 @@ static int debugfs_io_u64_set(void *data, u64 val)
 DEFINE_DEBUGFS_ATTRIBUTE(fops_io_x64, debugfs_io_u64_get, debugfs_io_u64_set,
 			 "0x%016llx\n");
 
-static struct dentry *debugfs_create_io_x64(const char *name, umode_t mode,
-					    struct dentry *parent, u64 __iomem *value)
+static void debugfs_create_io_x64(const char *name, umode_t mode,
+				  struct dentry *parent, u64 __iomem *value)
 {
-	return debugfs_create_file_unsafe(name, mode, parent,
-					  (void __force *)value, &fops_io_x64);
+	debugfs_create_file_unsafe(name, mode, parent, (void __force *)value,
+				   &fops_io_x64);
 }
 
 void cxl_debugfs_add_adapter_regs_psl9(struct cxl *adapter, struct dentry *dir)
@@ -54,25 +54,22 @@ void cxl_debugfs_add_adapter_regs_psl8(struct cxl *adapter, struct dentry *dir)
 	debugfs_create_io_x64("trace", S_IRUSR | S_IWUSR, dir, _cxl_p1_addr(adapter, CXL_PSL_TRACE));
 }
 
-int cxl_debugfs_adapter_add(struct cxl *adapter)
+void cxl_debugfs_adapter_add(struct cxl *adapter)
 {
 	struct dentry *dir;
 	char buf[32];
 
 	if (!cxl_debugfs)
-		return -ENODEV;
+		return;
 
 	snprintf(buf, 32, "card%i", adapter->adapter_num);
 	dir = debugfs_create_dir(buf, cxl_debugfs);
-	if (IS_ERR(dir))
-		return PTR_ERR(dir);
 	adapter->debugfs = dir;
 
 	debugfs_create_io_x64("err_ivte", S_IRUSR, dir, _cxl_p1_addr(adapter, CXL_PSL_ErrIVTE));
 
 	if (adapter->native->sl_ops->debugfs_add_adapter_regs)
 		adapter->native->sl_ops->debugfs_add_adapter_regs(adapter, dir);
-	return 0;
 }
 
 void cxl_debugfs_adapter_remove(struct cxl *adapter)
@@ -96,18 +93,16 @@ void cxl_debugfs_add_afu_regs_psl8(struct cxl_afu *afu, struct dentry *dir)
 	debugfs_create_io_x64("trace", S_IRUSR | S_IWUSR, dir, _cxl_p1n_addr(afu, CXL_PSL_SLICE_TRACE));
 }
 
-int cxl_debugfs_afu_add(struct cxl_afu *afu)
+void cxl_debugfs_afu_add(struct cxl_afu *afu)
 {
 	struct dentry *dir;
 	char buf[32];
 
 	if (!afu->adapter->debugfs)
-		return -ENODEV;
+		return;
 
 	snprintf(buf, 32, "psl%i.%i", afu->adapter->adapter_num, afu->slice);
 	dir = debugfs_create_dir(buf, afu->adapter->debugfs);
-	if (IS_ERR(dir))
-		return PTR_ERR(dir);
 	afu->debugfs = dir;
 
 	debugfs_create_io_x64("sr",         S_IRUSR, dir, _cxl_p1n_addr(afu, CXL_PSL_SR_An));
@@ -118,8 +113,6 @@ int cxl_debugfs_afu_add(struct cxl_afu *afu)
 
 	if (afu->adapter->native->sl_ops->debugfs_add_afu_regs)
 		afu->adapter->native->sl_ops->debugfs_add_afu_regs(afu, dir);
-
-	return 0;
 }
 
 void cxl_debugfs_afu_remove(struct cxl_afu *afu)
@@ -127,19 +120,12 @@ void cxl_debugfs_afu_remove(struct cxl_afu *afu)
 	debugfs_remove_recursive(afu->debugfs);
 }
 
-int __init cxl_debugfs_init(void)
+void __init cxl_debugfs_init(void)
 {
-	struct dentry *ent;
-
 	if (!cpu_has_feature(CPU_FTR_HVMODE))
-		return 0;
-
-	ent = debugfs_create_dir("cxl", NULL);
-	if (IS_ERR(ent))
-		return PTR_ERR(ent);
-	cxl_debugfs = ent;
+		return;
 
-	return 0;
+	cxl_debugfs = debugfs_create_dir("cxl", NULL);
 }
 
 void cxl_debugfs_exit(void)