diff options
Diffstat (limited to 'arch/x86/platform/atom/punit_atom_debug.c')
| -rw-r--r-- | arch/x86/platform/atom/punit_atom_debug.c | 34 |
1 files changed, 5 insertions, 29 deletions
diff --git a/arch/x86/platform/atom/punit_atom_debug.c b/arch/x86/platform/atom/punit_atom_debug.c index 6cb6076223ba..ee6b0780bea1 100644 --- a/arch/x86/platform/atom/punit_atom_debug.c +++ b/arch/x86/platform/atom/punit_atom_debug.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel SOC Punit device state debug driver * Punit controls power management for North Complex devices (Graphics * blocks, Image Signal Processing, video processing, display, DSP etc.) * * Copyright (c) 2015, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * */ #include <linux/module.h> @@ -113,24 +104,12 @@ DEFINE_SHOW_ATTRIBUTE(punit_dev_state); static struct dentry *punit_dbg_file; -static int punit_dbgfs_register(struct punit_device *punit_device) +static void punit_dbgfs_register(struct punit_device *punit_device) { - struct dentry *dev_state; - punit_dbg_file = debugfs_create_dir("punit_atom", NULL); - if (!punit_dbg_file) - return -ENXIO; - - dev_state = debugfs_create_file("dev_power_state", 0444, - punit_dbg_file, punit_device, - &punit_dev_state_fops); - if (!dev_state) { - pr_err("punit_dev_state register failed\n"); - debugfs_remove(punit_dbg_file); - return -ENXIO; - } - return 0; + debugfs_create_file("dev_power_state", 0444, punit_dbg_file, + punit_device, &punit_dev_state_fops); } static void punit_dbgfs_unregister(void) @@ -154,15 +133,12 @@ MODULE_DEVICE_TABLE(x86cpu, intel_punit_cpu_ids); static int __init punit_atom_debug_init(void) { const struct x86_cpu_id *id; - int ret; id = x86_match_cpu(intel_punit_cpu_ids); if (!id) return -ENODEV; - ret = punit_dbgfs_register((struct punit_device *)id->driver_data); - if (ret < 0) - return ret; + punit_dbgfs_register((struct punit_device *)id->driver_data); return 0; } |