| .. | .. |
|---|
| 1 | +// SPDX-License-Identifier: GPL-2.0-or-later |
|---|
| 1 | 2 | /* IBM POWER Barrier Synchronization Register Driver |
|---|
| 2 | 3 | * |
|---|
| 3 | 4 | * Copyright IBM Corporation 2008 |
|---|
| 4 | 5 | * |
|---|
| 5 | 6 | * Author: Sonny Rao <sonnyrao@us.ibm.com> |
|---|
| 6 | | - * |
|---|
| 7 | | - * This program is free software; you can redistribute it and/or modify |
|---|
| 8 | | - * it under the terms of the GNU General Public License as published by |
|---|
| 9 | | - * the Free Software Foundation; either version 2 of the License, or |
|---|
| 10 | | - * (at your option) any later version. |
|---|
| 11 | | - * |
|---|
| 12 | | - * This program is distributed in the hope that it will be useful, |
|---|
| 13 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 14 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|---|
| 15 | | - * GNU General Public License for more details. |
|---|
| 16 | | - * |
|---|
| 17 | | - * You should have received a copy of the GNU General Public License |
|---|
| 18 | | - * along with this program; if not, write to the Free Software |
|---|
| 19 | | - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|---|
| 20 | 7 | */ |
|---|
| 21 | 8 | |
|---|
| 22 | 9 | #include <linux/kernel.h> |
|---|
| .. | .. |
|---|
| 30 | 17 | #include <linux/list.h> |
|---|
| 31 | 18 | #include <linux/mm.h> |
|---|
| 32 | 19 | #include <linux/slab.h> |
|---|
| 33 | | -#include <asm/pgtable.h> |
|---|
| 34 | 20 | #include <asm/io.h> |
|---|
| 35 | 21 | |
|---|
| 36 | 22 | /* |
|---|
| .. | .. |
|---|
| 147 | 133 | return 0; |
|---|
| 148 | 134 | } |
|---|
| 149 | 135 | |
|---|
| 150 | | -static int bsr_open(struct inode * inode, struct file * filp) |
|---|
| 136 | +static int bsr_open(struct inode *inode, struct file *filp) |
|---|
| 151 | 137 | { |
|---|
| 152 | 138 | struct cdev *cdev = inode->i_cdev; |
|---|
| 153 | 139 | struct bsr_dev *dev = container_of(cdev, struct bsr_dev, bsr_cdev); |
|---|
| .. | .. |
|---|
| 322 | 308 | goto out_err_2; |
|---|
| 323 | 309 | } |
|---|
| 324 | 310 | |
|---|
| 325 | | - if ((ret = bsr_create_devs(np)) < 0) { |
|---|
| 311 | + ret = bsr_create_devs(np); |
|---|
| 312 | + if (ret < 0) { |
|---|
| 326 | 313 | np = NULL; |
|---|
| 327 | 314 | goto out_err_3; |
|---|
| 328 | 315 | } |
|---|