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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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102
drivers/misc/samsung/scsc/pcie_proc.h Normal file
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/****************************************************************************
*
* Copyright (c) 2014 - 2016 Samsung Electronics Co., Ltd. All rights reserved
*
****************************************************************************/
/*
* Chip Manager /proc interface
*/
#include <linux/proc_fs.h>
#include <linux/version.h>
#include <linux/seq_file.h>
#include "pcie_mif.h"
#ifndef SCSC_PCIE_PROC_H
#define SCSC_PCIE_PROC_H
#ifndef AID_WIFI
#define AID_WIFI 0444
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 9))
#define PCIE_PDE_DATA(inode) PDE_DATA(inode)
#else
#define PCIE_PDE_DATA(inode) (PDE(inode)->data)
#endif
#define PCIE_PROCFS_SEQ_FILE_OPS(name) \
static int pcie_procfs_ ## name ## _show(struct seq_file *m, void *v); \
static int pcie_procfs_ ## name ## _open(struct inode *inode, struct file *file) \
{ \
return single_open(file, pcie_procfs_ ## name ## _show, PCIE_PDE_DATA(inode)); \
} \
static const struct file_operations pcie_procfs_ ## name ## _fops = { \
.open = pcie_procfs_ ## name ## _open, \
.read = seq_read, \
.llseek = seq_lseek, \
.release = single_release, \
}
#define PCIE_PROCFS_SEQ_ADD_FILE(_sdev, name, parent, mode) \
do { \
struct proc_dir_entry *entry; \
entry = proc_create_data(# name, mode, parent, &pcie_procfs_ ## name ## _fops, _sdev); \
if (!entry) { \
goto err; \
} \
PCIE_PROCFS_SET_UID_GID(entry); \
} while (0)
#define PCIE_PROCFS_RW_FILE_OPS(name) \
static ssize_t pcie_procfs_ ## name ## _write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos); \
static ssize_t pcie_procfs_ ## name ## _read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos); \
static const struct file_operations pcie_procfs_ ## name ## _fops = { \
.read = pcie_procfs_ ## name ## _read, \
.write = pcie_procfs_ ## name ## _write, \
.open = pcie_procfs_open_file_generic, \
.llseek = generic_file_llseek \
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 9))
#define PCIE_PROCFS_SET_UID_GID(_entry) \
do { \
kuid_t proc_kuid = KUIDT_INIT(AID_WIFI); \
kgid_t proc_kgid = KGIDT_INIT(AID_WIFI); \
proc_set_user(_entry, proc_kuid, proc_kgid); \
} while (0)
#else
#define PCIE_PROCFS_SET_UID_GID(entry) \
do { \
(entry)->uid = AID_WIFI; \
(entry)->gid = AID_WIFI; \
} while (0)
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 9))
#define PCIE_PROCFS_ADD_FILE(_sdev, name, parent, mode) \
do { \
struct proc_dir_entry *entry = proc_create_data(# name, mode, parent, &pcie_procfs_ ## name ## _fops, _sdev); \
PCIE_PROCFS_SET_UID_GID(entry); \
} while (0)
#else
#define PCIE_PROCFS_ADD_FILE(_sdev, name, parent, mode) \
do { \
struct proc_dir_entry *entry; \
entry = create_proc_entry(# name, mode, parent); \
if (entry) { \
entry->proc_fops = &pcie_procfs_ ## name ## _fops; \
entry->data = _sdev; \
PCIE_PROCFS_SET_UID_GID(entry); \
} \
} while (0)
#endif
#define PCIE_PROCFS_REMOVE_FILE(name, parent) remove_proc_entry(# name, parent)
int pcie_create_proc_dir(struct pcie_mif *pcie);
void pcie_remove_proc_dir(void);
#endif /* SCSC_PCIE_PROC_H */