diff --git a/drivers/platform/x86/intel_pmc_core.c b/drivers/platform/x86/intel_pmc_core.c
index 1d902230ba61..27d6470e43ec 100644
--- a/drivers/platform/x86/intel_pmc_core.c
+++ b/drivers/platform/x86/intel_pmc_core.c
@@ -753,14 +753,11 @@ static void pmc_core_dbgfs_unregister(struct pmc_dev *pmcdev)
 	debugfs_remove_recursive(pmcdev->dbgfs_dir);
 }
 
-static int pmc_core_dbgfs_register(struct pmc_dev *pmcdev)
+static void pmc_core_dbgfs_register(struct pmc_dev *pmcdev)
 {
 	struct dentry *dir;
 
 	dir = debugfs_create_dir("pmc_core", NULL);
-	if (!dir)
-		return -ENOMEM;
-
 	pmcdev->dbgfs_dir = dir;
 
 	debugfs_create_file("slp_s0_residency_usec", 0444, dir, pmcdev,
@@ -794,13 +791,10 @@ static int pmc_core_dbgfs_register(struct pmc_dev *pmcdev)
 		debugfs_create_bool("slp_s0_dbg_latch", 0644,
 				    dir, &slps0_dbg_latch);
 	}
-
-	return 0;
 }
 #else
-static inline int pmc_core_dbgfs_register(struct pmc_dev *pmcdev)
+static inline void pmc_core_dbgfs_register(struct pmc_dev *pmcdev)
 {
-	return 0;
 }
 
 static inline void pmc_core_dbgfs_unregister(struct pmc_dev *pmcdev)
@@ -862,7 +856,6 @@ static int pmc_core_probe(struct platform_device *pdev)
 	struct pmc_dev *pmcdev = &pmc;
 	const struct x86_cpu_id *cpu_id;
 	u64 slp_s0_addr;
-	int err;
 
 	if (device_initialized)
 		return -ENODEV;
@@ -896,12 +889,7 @@ static int pmc_core_probe(struct platform_device *pdev)
 	pmcdev->pmc_xram_read_bit = pmc_core_check_read_lock_bit();
 	dmi_check_system(pmc_core_dmi_table);
 
-	err = pmc_core_dbgfs_register(pmcdev);
-	if (err < 0) {
-		dev_warn(&pdev->dev, "debugfs register failed.\n");
-		iounmap(pmcdev->regbase);
-		return err;
-	}
+	pmc_core_dbgfs_register(pmcdev);
 
 	device_initialized = true;
 	dev_info(&pdev->dev, " initialized\n");