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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/x86/kernel/kdebugfs.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/kernel/kdebugfs.c')
-rw-r--r--ANDROID_3.4.5/arch/x86/kernel/kdebugfs.c212
1 files changed, 0 insertions, 212 deletions
diff --git a/ANDROID_3.4.5/arch/x86/kernel/kdebugfs.c b/ANDROID_3.4.5/arch/x86/kernel/kdebugfs.c
deleted file mode 100644
index 1d5d31ea..00000000
--- a/ANDROID_3.4.5/arch/x86/kernel/kdebugfs.c
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * Architecture specific debugfs files
- *
- * Copyright (C) 2007, Intel Corp.
- * Huang Ying <ying.huang@intel.com>
- *
- * This file is released under the GPLv2.
- */
-#include <linux/debugfs.h>
-#include <linux/uaccess.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/stat.h>
-#include <linux/io.h>
-#include <linux/mm.h>
-
-#include <asm/setup.h>
-
-struct dentry *arch_debugfs_dir;
-EXPORT_SYMBOL(arch_debugfs_dir);
-
-#ifdef CONFIG_DEBUG_BOOT_PARAMS
-struct setup_data_node {
- u64 paddr;
- u32 type;
- u32 len;
-};
-
-static ssize_t setup_data_read(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct setup_data_node *node = file->private_data;
- unsigned long remain;
- loff_t pos = *ppos;
- struct page *pg;
- void *p;
- u64 pa;
-
- if (pos < 0)
- return -EINVAL;
-
- if (pos >= node->len)
- return 0;
-
- if (count > node->len - pos)
- count = node->len - pos;
-
- pa = node->paddr + sizeof(struct setup_data) + pos;
- pg = pfn_to_page((pa + count - 1) >> PAGE_SHIFT);
- if (PageHighMem(pg)) {
- p = ioremap_cache(pa, count);
- if (!p)
- return -ENXIO;
- } else
- p = __va(pa);
-
- remain = copy_to_user(user_buf, p, count);
-
- if (PageHighMem(pg))
- iounmap(p);
-
- if (remain)
- return -EFAULT;
-
- *ppos = pos + count;
-
- return count;
-}
-
-static const struct file_operations fops_setup_data = {
- .read = setup_data_read,
- .open = simple_open,
- .llseek = default_llseek,
-};
-
-static int __init
-create_setup_data_node(struct dentry *parent, int no,
- struct setup_data_node *node)
-{
- struct dentry *d, *type, *data;
- char buf[16];
-
- sprintf(buf, "%d", no);
- d = debugfs_create_dir(buf, parent);
- if (!d)
- return -ENOMEM;
-
- type = debugfs_create_x32("type", S_IRUGO, d, &node->type);
- if (!type)
- goto err_dir;
-
- data = debugfs_create_file("data", S_IRUGO, d, node, &fops_setup_data);
- if (!data)
- goto err_type;
-
- return 0;
-
-err_type:
- debugfs_remove(type);
-err_dir:
- debugfs_remove(d);
- return -ENOMEM;
-}
-
-static int __init create_setup_data_nodes(struct dentry *parent)
-{
- struct setup_data_node *node;
- struct setup_data *data;
- int error = -ENOMEM;
- struct dentry *d;
- struct page *pg;
- u64 pa_data;
- int no = 0;
-
- d = debugfs_create_dir("setup_data", parent);
- if (!d)
- return -ENOMEM;
-
- pa_data = boot_params.hdr.setup_data;
-
- while (pa_data) {
- node = kmalloc(sizeof(*node), GFP_KERNEL);
- if (!node)
- goto err_dir;
-
- pg = pfn_to_page((pa_data+sizeof(*data)-1) >> PAGE_SHIFT);
- if (PageHighMem(pg)) {
- data = ioremap_cache(pa_data, sizeof(*data));
- if (!data) {
- kfree(node);
- error = -ENXIO;
- goto err_dir;
- }
- } else
- data = __va(pa_data);
-
- node->paddr = pa_data;
- node->type = data->type;
- node->len = data->len;
- error = create_setup_data_node(d, no, node);
- pa_data = data->next;
-
- if (PageHighMem(pg))
- iounmap(data);
- if (error)
- goto err_dir;
- no++;
- }
-
- return 0;
-
-err_dir:
- debugfs_remove(d);
- return error;
-}
-
-static struct debugfs_blob_wrapper boot_params_blob = {
- .data = &boot_params,
- .size = sizeof(boot_params),
-};
-
-static int __init boot_params_kdebugfs_init(void)
-{
- struct dentry *dbp, *version, *data;
- int error = -ENOMEM;
-
- dbp = debugfs_create_dir("boot_params", NULL);
- if (!dbp)
- return -ENOMEM;
-
- version = debugfs_create_x16("version", S_IRUGO, dbp,
- &boot_params.hdr.version);
- if (!version)
- goto err_dir;
-
- data = debugfs_create_blob("data", S_IRUGO, dbp,
- &boot_params_blob);
- if (!data)
- goto err_version;
-
- error = create_setup_data_nodes(dbp);
- if (error)
- goto err_data;
-
- return 0;
-
-err_data:
- debugfs_remove(data);
-err_version:
- debugfs_remove(version);
-err_dir:
- debugfs_remove(dbp);
- return error;
-}
-#endif /* CONFIG_DEBUG_BOOT_PARAMS */
-
-static int __init arch_kdebugfs_init(void)
-{
- int error = 0;
-
- arch_debugfs_dir = debugfs_create_dir("x86", NULL);
- if (!arch_debugfs_dir)
- return -ENOMEM;
-
-#ifdef CONFIG_DEBUG_BOOT_PARAMS
- error = boot_params_kdebugfs_init();
-#endif
-
- return error;
-}
-arch_initcall(arch_kdebugfs_init);