From ee930fffee469d076998274a2ca55e13dc1efb67 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 08:50:54 +0000
Subject: [PATCH] enable tun/tap/iptables
---
kernel/drivers/misc/cxl/debugfs.c | 42 ++++++++++++------------------------------
1 files changed, 12 insertions(+), 30 deletions(-)
diff --git a/kernel/drivers/misc/cxl/debugfs.c b/kernel/drivers/misc/cxl/debugfs.c
index a1921d8..7b987bf 100644
--- a/kernel/drivers/misc/cxl/debugfs.c
+++ b/kernel/drivers/misc/cxl/debugfs.c
@@ -1,10 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2014 IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <linux/debugfs.h>
@@ -30,11 +26,11 @@
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)
@@ -58,25 +54,22 @@
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)
@@ -100,18 +93,16 @@
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));
@@ -122,8 +113,6 @@
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)
@@ -131,19 +120,12 @@
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;
+ return;
- ent = debugfs_create_dir("cxl", NULL);
- if (IS_ERR(ent))
- return PTR_ERR(ent);
- cxl_debugfs = ent;
-
- return 0;
+ cxl_debugfs = debugfs_create_dir("cxl", NULL);
}
void cxl_debugfs_exit(void)
--
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