import OT_8063_20170412 mali driver

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / misc / mediatek / gpu / mt8127 / mali / ump / linux / ump_kernel_linux.c

diff --git a/drivers/misc/mediatek/gpu/mt8127/mali/ump/linux/ump_kernel_linux.c b/drivers/misc/mediatek/gpu/mt8127/mali/ump/linux/ump_kernel_linux.c
index 8d15ecd77653b8ae18d7001f587e1be956fe3793..83ac7746b3b430a1399ede6eeea490260f6b7160 100644 (file)
--- a/drivers/misc/mediatek/gpu/mt8127/mali/ump/linux/ump_kernel_linux.c
+++ b/drivers/misc/mediatek/gpu/mt8127/mali/ump/linux/ump_kernel_linux.c
@@ -1,7 +1,7 @@
 /*
  * This confidential and proprietary software may be used only as
  * authorised by a licensing agreement from ARM Limited
- * (C) COPYRIGHT 2008-2013 ARM Limited
+ * (C) COPYRIGHT 2008-2015 ARM Limited
  * ALL RIGHTS RESERVED
  * The entire notice above must be reproduced on all authorised
  * copies and copies may only be made to the extent permitted
@@ -67,7 +67,7 @@ typedef struct ump_vma_usage_tracker {
 struct ump_device {
        struct cdev cdev;
 #if UMP_LICENSE_IS_GPL
-       struct class * ump_class;
+       struct class *ump_class;
 #endif
 };
 
@@ -83,7 +83,7 @@ static long ump_file_ioctl(struct file *filp, unsigned int cmd, unsigned long ar
 #else
 static int ump_file_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
 #endif
-static int ump_file_mmap(struct file * filp, struct vm_area_struct * vma);
+static int ump_file_mmap(struct file *filp, struct vm_area_struct *vma);
 
 
 /* This variable defines the file operations this UMP device driver offer */
@@ -192,7 +192,7 @@ int ump_kernel_device_initialize(void)
                        if (IS_ERR(ump_device.ump_class)) {
                                err = PTR_ERR(ump_device.ump_class);
                        } else {
-                               struct device * mdev;
+                               struct device *mdev;
                                mdev = device_create(ump_device.ump_class, NULL, dev, NULL, ump_dev_name);
                                if (!IS_ERR(mdev)) {
                                        return 0;
@@ -233,7 +233,7 @@ void ump_kernel_device_terminate(void)
        unregister_chrdev_region(dev, 1);
 
 #if UMP_LICENSE_IS_GPL
-       if(ump_debugfs_dir)
+       if (ump_debugfs_dir)
                debugfs_remove_recursive(ump_debugfs_dir);
 #endif
 }
@@ -243,7 +243,7 @@ void ump_kernel_device_terminate(void)
  */
 static int ump_file_open(struct inode *inode, struct file *filp)
 {
-       struct ump_session_data * session_data;
+       struct ump_session_data *session_data;
        _mali_osk_errcode_t err;
 
        /* input validation */
@@ -253,13 +253,13 @@ static int ump_file_open(struct inode *inode, struct file *filp)
        }
 
        /* Call the OS-Independent UMP Open function */
-       err = _ump_ukk_open((void**) &session_data );
-       if( _MALI_OSK_ERR_OK != err ) {
+       err = _ump_ukk_open((void **) &session_data);
+       if (_MALI_OSK_ERR_OK != err) {
                MSG_ERR(("Ump failed to open a new session\n"));
-               return map_errcode( err );
+               return map_errcode(err);
        }
 
-       filp->private_data = (void*)session_data;
+       filp->private_data = (void *)session_data;
        filp->f_pos = 0;
 
        return 0; /* success */
@@ -274,9 +274,9 @@ static int ump_file_release(struct inode *inode, struct file *filp)
 {
        _mali_osk_errcode_t err;
 
-       err = _ump_ukk_close((void**) &filp->private_data );
-       if( _MALI_OSK_ERR_OK != err ) {
-               return map_errcode( err );
+       err = _ump_ukk_close((void **) &filp->private_data);
+       if (_MALI_OSK_ERR_OK != err) {
+               return map_errcode(err);
        }
 
        return 0;  /* success */
@@ -294,8 +294,8 @@ static int ump_file_ioctl(struct inode *inode, struct file *filp, unsigned int c
 #endif
 {
        int err = -ENOTTY;
-       void __user * argument;
-       struct ump_session_data * session_data;
+       void __user *argument;
+       struct ump_session_data *session_data;
 
 #ifndef HAVE_UNLOCKED_IOCTL
        (void)inode; /* inode not used */
@@ -356,9 +356,9 @@ static int ump_file_ioctl(struct inode *inode, struct file *filp, unsigned int c
        return err;
 }
 
-int map_errcode( _mali_osk_errcode_t err )
+int map_errcode(_mali_osk_errcode_t err)
 {
-       switch(err) {
+       switch (err) {
        case _MALI_OSK_ERR_OK :
                return 0;
        case _MALI_OSK_ERR_FAULT:
@@ -383,11 +383,11 @@ int map_errcode( _mali_osk_errcode_t err )
 /*
  * Handle from OS to map specified virtual memory to specified UMP memory.
  */
-static int ump_file_mmap(struct file * filp, struct vm_area_struct * vma)
+static int ump_file_mmap(struct file *filp, struct vm_area_struct *vma)
 {
        _ump_uk_map_mem_s args;
        _mali_osk_errcode_t err;
-       struct ump_session_data * session_data;
+       struct ump_session_data *session_data;
 
        /* Validate the session data */
        session_data = (struct ump_session_data *)filp->private_data;
@@ -412,13 +412,13 @@ static int ump_file_mmap(struct file * filp, struct vm_area_struct * vma)
        /* By setting this flag, during a process fork; the child process will not have the parent UMP mappings */
        vma->vm_flags |= VM_DONTCOPY;
 
-       DBG_MSG(4, ("UMP vma->flags: %x\n", vma->vm_flags ));
+       DBG_MSG(4, ("UMP vma->flags: %x\n", vma->vm_flags));
 
        /* Call the common mmap handler */
-       err = _ump_ukk_map_mem( &args );
-       if ( _MALI_OSK_ERR_OK != err) {
+       err = _ump_ukk_map_mem(&args);
+       if (_MALI_OSK_ERR_OK != err) {
                MSG_ERR(("_ump_ukk_map_mem() failed in function ump_file_mmap()"));
-               return map_errcode( err );
+               return map_errcode(err);
        }
 
        return 0; /* success */