lineage_kernel_xcoverpro/drivers/misc/samsung/scsc/mxproc.c

614 lines
18 KiB
C
Executable File

/****************************************************************************
*
* Copyright (c) 2014 - 2017 Samsung Electronics Co., Ltd. All rights reserved
*
****************************************************************************/
#include <linux/proc_fs.h>
#include <linux/version.h>
#include <linux/seq_file.h>
#include <scsc/scsc_release.h>
#include <scsc/scsc_logring.h>
#include "mxman.h"
#include "mxproc.h"
#ifdef CONFIG_SCSC_WLBTD
#include "scsc_wlbtd.h"
#endif
#if IS_ENABLED(CONFIG_DEBUG_SNAPSHOT)
#include <linux/uaccess.h>
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0))
#include <soc/samsung/debug-snapshot.h>
#else
#include <linux/debug-snapshot.h>
#endif
#endif
#ifndef AID_MXPROC
#define AID_MXPROC 0
#endif
#define MX_PROCFS_RW_FILE_OPS(name) \
static ssize_t mx_procfs_ ## name ## _write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos); \
static ssize_t mx_procfs_ ## name ## _read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos); \
static const struct file_operations mx_procfs_ ## name ## _fops = { \
.read = mx_procfs_ ## name ## _read, \
.write = mx_procfs_ ## name ## _write, \
.open = mx_procfs_generic_open, \
.llseek = generic_file_llseek \
}
#define MX_PROCFS_RO_FILE_OPS(name) \
static ssize_t mx_procfs_ ## name ## _read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos); \
static const struct file_operations mx_procfs_ ## name ## _fops = { \
.read = mx_procfs_ ## name ## _read, \
.open = mx_procfs_generic_open, \
.llseek = generic_file_llseek \
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 9))
#define MX_PDE_DATA(inode) PDE_DATA(inode)
#else
#define MX_PDE_DATA(inode) (PDE(inode)->data)
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 9))
#define MX_PROCFS_SET_UID_GID(_entry) \
do { \
kuid_t proc_kuid = KUIDT_INIT(AID_MXPROC); \
kgid_t proc_kgid = KGIDT_INIT(AID_MXPROC); \
proc_set_user(_entry, proc_kuid, proc_kgid); \
} while (0)
#else
#define MX_PROCFS_SET_UID_GID(entry) \
do { \
(entry)->uid = AID_MXPROC; \
(entry)->gid = AID_MXPROC; \
} while (0)
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 9))
#define MX_PROCFS_ADD_FILE(_sdev, name, parent, mode) \
do { \
struct proc_dir_entry *entry = proc_create_data(# name, mode, parent, &mx_procfs_ ## name ## _fops, _sdev); \
MX_PROCFS_SET_UID_GID(entry); \
} while (0)
#else
#define MX_PROCFS_ADD_FILE(_data, name, parent, mode) \
do { \
struct proc_dir_entry *entry; \
entry = create_proc_entry(# name, mode, parent); \
if (entry) { \
entry->proc_fops = &mx_procfs_ ## name ## _fops; \
entry->data = _data; \
MX_PROCFS_SET_UID_GID(entry); \
} \
} while (0)
#endif
#define MX_PROCFS_REMOVE_FILE(name, parent) remove_proc_entry(# name, parent)
#define OS_UNUSED_PARAMETER(x) ((void)(x))
#define MX_DIRLEN 128
static const char *procdir_ctrl = "driver/mxman_ctrl";
static const char *procdir_info = "driver/mxman_info";
static int mx_procfs_generic_open(struct inode *inode, struct file *file)
{
file->private_data = MX_PDE_DATA(inode);
return 0;
}
static ssize_t mx_procfs_mx_fail_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
{
struct mxproc *mxproc = file->private_data;
OS_UNUSED_PARAMETER(mxproc);
OS_UNUSED_PARAMETER(file);
OS_UNUSED_PARAMETER(user_buf);
OS_UNUSED_PARAMETER(count);
OS_UNUSED_PARAMETER(ppos);
SCSC_TAG_DEBUG(MX_PROC, "OK\n");
return 0;
}
static ssize_t mx_procfs_mx_fail_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos)
{
struct mxproc *mxproc = file->private_data;
OS_UNUSED_PARAMETER(file);
OS_UNUSED_PARAMETER(user_buf);
OS_UNUSED_PARAMETER(count);
OS_UNUSED_PARAMETER(ppos);
if (mxproc)
mxman_fail(mxproc->mxman, SCSC_PANIC_CODE_HOST << 15, __func__);
SCSC_TAG_DEBUG(MX_PROC, "OK\n");
return count;
}
static ssize_t mx_procfs_mx_freeze_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
{
struct mxproc *mxproc = file->private_data;
OS_UNUSED_PARAMETER(mxproc);
OS_UNUSED_PARAMETER(file);
OS_UNUSED_PARAMETER(user_buf);
OS_UNUSED_PARAMETER(count);
OS_UNUSED_PARAMETER(ppos);
SCSC_TAG_DEBUG(MX_PROC, "OK\n");
return 0;
}
static ssize_t mx_procfs_mx_freeze_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos)
{
struct mxproc *mxproc = file->private_data;
OS_UNUSED_PARAMETER(file);
OS_UNUSED_PARAMETER(user_buf);
OS_UNUSED_PARAMETER(count);
OS_UNUSED_PARAMETER(ppos);
if (mxproc)
mxman_freeze(mxproc->mxman);
SCSC_TAG_INFO(MX_PROC, "OK\n");
return count;
}
static ssize_t mx_procfs_mx_panic_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
{
struct mxproc *mxproc = file->private_data;
OS_UNUSED_PARAMETER(mxproc);
OS_UNUSED_PARAMETER(file);
OS_UNUSED_PARAMETER(user_buf);
OS_UNUSED_PARAMETER(count);
OS_UNUSED_PARAMETER(ppos);
/* Force a FW panic on read as well as write to allow test in user builds */
if (mxproc)
mxman_force_panic(mxproc->mxman);
SCSC_TAG_INFO(MX_PROC, "OK\n");
return 0;
}
static ssize_t mx_procfs_mx_panic_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos)
{
char value = 0;
struct mxproc *mxproc = file->private_data;
OS_UNUSED_PARAMETER(value);
OS_UNUSED_PARAMETER(file);
OS_UNUSED_PARAMETER(user_buf);
OS_UNUSED_PARAMETER(count);
OS_UNUSED_PARAMETER(ppos);
#if IS_ENABLED(CONFIG_DEBUG_SNAPSHOT) && defined(GO_S2D_ID)
if (count != 2)
return -EFAULT;
if (copy_from_user(&value, user_buf, 1))
return -EFAULT;
if (value == '3') {
SCSC_TAG_INFO(MX_PROC, "Manual Scandump");
dbg_snapshot_do_dpm_policy(GO_S2D_ID);
} else if (mxproc) {
SCSC_TAG_INFO(MX_PROC, "Manual FW Panic");
mxman_force_panic(mxproc->mxman);
}
#else
if (mxproc)
mxman_force_panic(mxproc->mxman);
#endif
SCSC_TAG_INFO(MX_PROC, "OK\n");
return count;
}
static ssize_t mx_procfs_mx_lastpanic_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
{
struct mxproc *mxproc = file->private_data;
char buf[64];
int bytes;
if (!mxproc || !mxproc->mxman)
return -EINVAL;
memset(buf, '\0', sizeof(buf));
bytes = snprintf(buf, sizeof(buf), "scsc_panic_code : 0x%x\nscsc_panic_subcode : 0x%x\n",
(mxproc->mxman->scsc_panic_code), (mxproc->mxman->scsc_panic_code & 0x7FFF));
return simple_read_from_buffer(user_buf, count, ppos, buf, bytes);
}
static ssize_t mx_procfs_mx_suspend_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
{
struct mxproc *mxproc = file->private_data;
char buf[3];
OS_UNUSED_PARAMETER(file);
buf[0] = mxproc->mxman->suspended ? 'Y' : 'N';
buf[1] = '\n';
buf[2] = '\0';
SCSC_TAG_INFO(MX_PROC, "suspended: %c\n", buf[0]);
return simple_read_from_buffer(user_buf, count, ppos, buf, sizeof(buf));
}
static ssize_t mx_procfs_mx_suspend_count_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
{
struct mxproc *mxproc = file->private_data;
int pos = 0;
char buf[32];
const size_t bufsz = sizeof(buf);
u32 suspend_count;
OS_UNUSED_PARAMETER(file);
if (!mxproc || !mxproc->mxman)
return 0;
suspend_count = atomic_read(&mxproc->mxman->suspend_count);
SCSC_TAG_INFO(MX_PROC, "suspend_count: %u\n", suspend_count);
pos += scnprintf(buf + pos, bufsz - pos, "%u\n", suspend_count);
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t mx_procfs_mx_recovery_count_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
{
struct mxproc *mxproc = file->private_data;
int pos = 0;
char buf[32];
const size_t bufsz = sizeof(buf);
u32 recovery_count;
OS_UNUSED_PARAMETER(file);
if (!mxproc || !mxproc->mxman)
return 0;
recovery_count = atomic_read(&mxproc->mxman->recovery_count);
SCSC_TAG_INFO(MX_PROC, "recovery_count: %u\n", recovery_count);
pos += scnprintf(buf + pos, bufsz - pos, "%u\n", recovery_count);
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t mx_procfs_mx_boot_count_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
{
struct mxproc *mxproc = file->private_data;
int pos = 0;
char buf[32];
const size_t bufsz = sizeof(buf);
u32 boot_count;
OS_UNUSED_PARAMETER(file);
if (!mxproc || !mxproc->mxman)
return 0;
boot_count = atomic_read(&mxproc->mxman->boot_count);
SCSC_TAG_INFO(MX_PROC, "boot_count: %u\n", boot_count);
pos += scnprintf(buf + pos, bufsz - pos, "%u\n", boot_count);
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t mx_procfs_mx_suspend_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos)
{
struct mxproc *mxproc = file->private_data;
int r;
OS_UNUSED_PARAMETER(file);
OS_UNUSED_PARAMETER(ppos);
if (count && mxproc) {
switch (user_buf[0]) {
case 'Y':
SCSC_TAG_INFO(MX_PROC, "force suspend\n");
r = mxman_suspend(mxproc->mxman);
if (r) {
SCSC_TAG_INFO(MX_PROC, "mx_suspend failed %d\n", r);
return r;
}
break;
case 'N':
SCSC_TAG_INFO(MX_PROC, "force resume\n");
mxman_resume(mxproc->mxman);
break;
default:
SCSC_TAG_INFO(MX_PROC, "invalid value %c\n", user_buf[0]);
return -EINVAL;
}
}
return count;
}
static ssize_t mx_procfs_mx_status_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
{
struct mxproc *mxproc = file->private_data;
char buf[32];
int pos = 0;
const size_t bufsz = sizeof(buf);
if (!mxproc || !mxproc->mxman)
return 0;
switch (mxproc->mxman->mxman_state) {
case MXMAN_STATE_STOPPED:
pos += scnprintf(buf + pos, bufsz - pos, "%s\n", "MXMAN_STATE_STOPPED");
break;
case MXMAN_STATE_STARTING:
pos += scnprintf(buf + pos, bufsz - pos, "%s\n", "MXMAN_STATE_STARTING");
break;
case MXMAN_STATE_STARTED:
pos += scnprintf(buf + pos, bufsz - pos, "%s\n", "MXMAN_STATE_STARTED");
break;
case MXMAN_STATE_FAILED:
pos += scnprintf(buf + pos, bufsz - pos, "%s\n", "MXMAN_STATE_FAILED");
break;
case MXMAN_STATE_FROZEN:
pos += scnprintf(buf + pos, bufsz - pos, "%s\n", "MXMAN_STATE_FROZEN");
break;
default:
return 0;
}
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t mx_procfs_mx_services_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
{
struct mxproc *mxproc = file->private_data;
char buf[256];
int pos = 0;
const size_t bufsz = sizeof(buf);
if (!mxproc || !mxproc->mxman)
return 0;
pos = scsc_mx_list_services(mxproc->mxman, buf, bufsz);
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t mx_procfs_mx_wlbt_stat_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
{
struct mxproc *mxproc = file->private_data;
struct scsc_mif_abs *mif_abs;
int pos = 0;
int r;
char buf[32];
const size_t bufsz = sizeof(buf);
u32 val = 0xff;
OS_UNUSED_PARAMETER(file);
if (!mxproc || !mxproc->mxman || !mxproc->mxman->mx)
return 0;
mif_abs = scsc_mx_get_mif_abs(mxproc->mxman->mx);
/* Read WLBT_STAT register */
if (mif_abs->mif_read_register) {
r = mif_abs->mif_read_register(mif_abs, SCSC_REG_READ_WLBT_STAT, &val);
if (r)
val = 0xff; /* failed */
}
pos += scnprintf(buf + pos, bufsz - pos, "0x%x\n", val);
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
MX_PROCFS_RW_FILE_OPS(mx_fail);
MX_PROCFS_RW_FILE_OPS(mx_freeze);
MX_PROCFS_RW_FILE_OPS(mx_panic);
MX_PROCFS_RW_FILE_OPS(mx_suspend);
MX_PROCFS_RO_FILE_OPS(mx_suspend_count);
MX_PROCFS_RO_FILE_OPS(mx_recovery_count);
MX_PROCFS_RO_FILE_OPS(mx_boot_count);
MX_PROCFS_RO_FILE_OPS(mx_status);
MX_PROCFS_RO_FILE_OPS(mx_services);
MX_PROCFS_RO_FILE_OPS(mx_lastpanic);
MX_PROCFS_RO_FILE_OPS(mx_wlbt_stat);
static u32 proc_count;
int mxproc_create_ctrl_proc_dir(struct mxproc *mxproc, struct mxman *mxman)
{
char dir[MX_DIRLEN];
struct proc_dir_entry *parent;
(void)snprintf(dir, sizeof(dir), "%s%d", procdir_ctrl, proc_count);
parent = proc_mkdir(dir, NULL);
if (!parent) {
SCSC_TAG_ERR(MX_PROC, "failed to create proc dir %s\n", procdir_ctrl);
return -EINVAL;
}
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0))
parent->data = mxproc;
#endif
mxproc->mxman = mxman;
mxproc->procfs_ctrl_dir = parent;
mxproc->procfs_ctrl_dir_num = proc_count;
MX_PROCFS_ADD_FILE(mxproc, mx_fail, parent, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH);
MX_PROCFS_ADD_FILE(mxproc, mx_freeze, parent, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH);
MX_PROCFS_ADD_FILE(mxproc, mx_panic, parent, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH);
MX_PROCFS_ADD_FILE(mxproc, mx_suspend, parent, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH);
MX_PROCFS_ADD_FILE(mxproc, mx_suspend_count, parent, S_IRUSR | S_IRGRP | S_IROTH);
MX_PROCFS_ADD_FILE(mxproc, mx_recovery_count, parent, S_IRUSR | S_IRGRP | S_IROTH);
MX_PROCFS_ADD_FILE(mxproc, mx_status, parent, S_IRUSR | S_IRGRP | S_IROTH);
MX_PROCFS_ADD_FILE(mxproc, mx_services, parent, S_IRUSR | S_IRGRP | S_IROTH);
MX_PROCFS_ADD_FILE(mxproc, mx_lastpanic, parent, S_IRUSR | S_IRGRP | S_IROTH);
MX_PROCFS_ADD_FILE(mxproc, mx_wlbt_stat, parent, S_IRUSR | S_IRGRP | S_IROTH);
SCSC_TAG_DEBUG(MX_PROC, "created %s proc dir\n", dir);
proc_count++;
return 0;
}
void mxproc_remove_ctrl_proc_dir(struct mxproc *mxproc)
{
if (mxproc->procfs_ctrl_dir) {
char dir[MX_DIRLEN];
MX_PROCFS_REMOVE_FILE(mx_fail, mxproc->procfs_ctrl_dir);
MX_PROCFS_REMOVE_FILE(mx_freeze, mxproc->procfs_ctrl_dir);
MX_PROCFS_REMOVE_FILE(mx_panic, mxproc->procfs_ctrl_dir);
MX_PROCFS_REMOVE_FILE(mx_suspend, mxproc->procfs_ctrl_dir);
MX_PROCFS_REMOVE_FILE(mx_suspend_count, mxproc->procfs_ctrl_dir);
MX_PROCFS_REMOVE_FILE(mx_recovery_count, mxproc->procfs_ctrl_dir);
MX_PROCFS_REMOVE_FILE(mx_status, mxproc->procfs_ctrl_dir);
MX_PROCFS_REMOVE_FILE(mx_services, mxproc->procfs_ctrl_dir);
MX_PROCFS_REMOVE_FILE(mx_lastpanic, mxproc->procfs_ctrl_dir);
MX_PROCFS_REMOVE_FILE(mx_wlbt_stat, mxproc->procfs_ctrl_dir);
(void)snprintf(dir, sizeof(dir), "%s%d", procdir_ctrl, mxproc->procfs_ctrl_dir_num);
remove_proc_entry(dir, NULL);
mxproc->procfs_ctrl_dir = NULL;
proc_count--;
SCSC_TAG_DEBUG(MX_PROC, "removed %s proc dir\n", dir);
}
}
static ssize_t mx_procfs_mx_rf_hw_ver_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
{
char buf[256];
int bytes;
struct mxproc *mxproc = file->private_data;
if (!mxproc || !mxproc->mxman)
return -EINVAL;
memset(buf, '\0', sizeof(buf));
bytes = snprintf(buf, sizeof(buf), "RF version: 0x%04x\n", (mxproc->mxman->rf_hw_ver));
return simple_read_from_buffer(user_buf, count, ppos, buf, bytes);
}
MX_PROCFS_RO_FILE_OPS(mx_rf_hw_ver);
static ssize_t mx_procfs_mx_rf_hw_name_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
{
char buf[256];
int bytes;
struct mxproc *mxproc = file->private_data;
if (!mxproc || !mxproc->mxman)
return -EINVAL;
memset(buf, '\0', sizeof(buf));
bytes = mxman_print_rf_hw_version(mxproc->mxman, buf, sizeof(buf));
return simple_read_from_buffer(user_buf, count, ppos, buf, bytes);
}
MX_PROCFS_RO_FILE_OPS(mx_rf_hw_name);
static ssize_t mx_procfs_mx_release_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
{
char buf[256];
int bytes;
struct mxproc *mxproc = file->private_data;
char *build_id = 0;
OS_UNUSED_PARAMETER(file);
if (mxproc && mxproc->mxman)
build_id = mxproc->mxman->fw_build_id;
memset(buf, '\0', sizeof(buf));
bytes = snprintf(buf, sizeof(buf), "Release: %d.%d.%d.%d.%d (f/w: %s)\n",
SCSC_RELEASE_PRODUCT, SCSC_RELEASE_ITERATION, SCSC_RELEASE_CANDIDATE, SCSC_RELEASE_POINT, SCSC_RELEASE_CUSTOMER,
build_id ? build_id : "unknown");
if (bytes > sizeof(buf))
bytes = sizeof(buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, bytes);
}
MX_PROCFS_RO_FILE_OPS(mx_release);
static ssize_t mx_procfs_mx_ttid_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
{
char buf[256];
int bytes;
struct mxproc *mxproc = file->private_data;
char *id = 0;
OS_UNUSED_PARAMETER(file);
if (mxproc && mxproc->mxman)
id = mxproc->mxman->fw_ttid;
memset(buf, '\0', sizeof(buf));
if (id)
bytes = snprintf(buf, sizeof(buf), "%s\n", id);
else
bytes = snprintf(buf, sizeof(buf), "%s\n", "FW_TTID not defined");
if (bytes > sizeof(buf))
bytes = sizeof(buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, bytes);
}
MX_PROCFS_RO_FILE_OPS(mx_ttid);
int mxproc_create_info_proc_dir(struct mxproc *mxproc, struct mxman *mxman)
{
char dir[MX_DIRLEN];
struct proc_dir_entry *parent;
(void)snprintf(dir, sizeof(dir), "%s", procdir_info);
parent = proc_mkdir(dir, NULL);
if (!parent) {
SCSC_TAG_ERR(MX_PROC, "failed to create /proc dir\n");
return -EINVAL;
}
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0))
parent->data = mxproc;
#endif
mxproc->mxman = mxman;
mxproc->procfs_info_dir = parent;
MX_PROCFS_ADD_FILE(mxproc, mx_release, parent, S_IRUSR | S_IRGRP | S_IROTH);
MX_PROCFS_ADD_FILE(mxproc, mx_rf_hw_ver, parent, S_IRUSR | S_IRGRP | S_IROTH);
MX_PROCFS_ADD_FILE(mxproc, mx_rf_hw_name, parent, S_IRUSR | S_IRGRP | S_IROTH);
MX_PROCFS_ADD_FILE(mxproc, mx_boot_count, parent, S_IRUSR | S_IRGRP | S_IROTH);
MX_PROCFS_ADD_FILE(mxproc, mx_ttid, parent, S_IRUSR | S_IRGRP | S_IROTH);
SCSC_TAG_DEBUG(MX_PROC, "created %s proc dir\n", dir);
return 0;
}
void mxproc_remove_info_proc_dir(struct mxproc *mxproc)
{
if (mxproc->procfs_info_dir) {
char dir[MX_DIRLEN];
MX_PROCFS_REMOVE_FILE(mx_ttid, mxproc->procfs_ctrl_dir);
MX_PROCFS_REMOVE_FILE(mx_boot_count, mxproc->procfs_ctrl_dir);
MX_PROCFS_REMOVE_FILE(mx_release, mxproc->procfs_info_dir);
MX_PROCFS_REMOVE_FILE(mx_rf_hw_ver, mxproc->procfs_info_dir);
MX_PROCFS_REMOVE_FILE(mx_rf_hw_name, mxproc->procfs_info_dir);
(void)snprintf(dir, sizeof(dir), "%s", procdir_info);
remove_proc_entry(dir, NULL);
mxproc->procfs_info_dir = NULL;
SCSC_TAG_DEBUG(MX_PROC, "removed %s proc dir\n", dir);
}
}