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提交 cbb3ae99 编写于 作者: K Katja Collier 提交者： Greg Kroah-Hartman
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staging: improved comment style in ft1000_debug.c 

Replaced C99 style comments with C89 in
"/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c".
Signed-off-by: NKatja Collier <katjacollier@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
上级 7580d7fe
隐藏空白更改
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Showing with 194 addition and 177 deletion
drivers/staging/ft1000/ft1000-usb/ft1000_debug.c
浏览文件 @ cbb3ae99
//---------------------------------------------------------------------------
// FT1000 driver for Flarion Flash OFDM NIC Device
//
// Copyright (C) 2006 Flarion Technologies, All rights reserved.
//
// 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. This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details. You should have received a copy of the GNU General Public
// License along with this program; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place -
// Suite 330, Boston, MA 02111-1307, USA.
//---------------------------------------------------------------------------
//
// File: ft1000_chdev.c
//
// Description: Custom character device dispatch routines.
//
// History:
// 8/29/02 Whc Ported to Linux.
// 6/05/06 Whc Porting to Linux 2.6.9
//
//---------------------------------------------------------------------------
/*
*---------------------------------------------------------------------------
* FT1000 driver for Flarion Flash OFDM NIC Device
*
* Copyright (C) 2006 Flarion Technologies, All rights reserved.
*
* 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. This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details. You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place -
* Suite 330, Boston, MA 02111-1307, USA.
*---------------------------------------------------------------------------
*
* File: ft1000_chdev.c
*
* Description: Custom character device dispatch routines.
*
* History:
* 8/29/02 Whc Ported to Linux.
* 6/05/06 Whc Porting to Linux 2.6.9
*
*---------------------------------------------------------------------------
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sched.h>
......@@ -44,17 +46,17 @@ static long ft1000_ioctl(struct file *file, unsigned int command,
unsigned long argument);
static int ft1000_release (struct inode *inode, struct file *file);
// List to free receive command buffer pool
/* List to free receive command buffer pool */
struct list_head freercvpool;
// lock to arbitrate free buffer list for receive command data
/* lock to arbitrate free buffer list for receive command data */
spinlock_t free_buff_lock;
int numofmsgbuf = 0;
//
// Table of entry-point routines for char device
//
/*
* Table of entry-point routines for char device
*/
static const struct file_operations ft1000fops =
{
.unlocked_ioctl = ft1000_ioctl,
......@@ -64,25 +66,27 @@ static const struct file_operations ft1000fops =
.llseek = no_llseek,
};
//---------------------------------------------------------------------------
// Function: ft1000_get_buffer
//
// Parameters:
//
// Returns:
//
// Description:
//
// Notes:
//
//---------------------------------------------------------------------------
/*
---------------------------------------------------------------------------
* Function: ft1000_get_buffer
*
* Parameters:
*
* Returns:
*
* Description:
*
* Notes:
*
*---------------------------------------------------------------------------
*/
struct dpram_blk *ft1000_get_buffer(struct list_head *bufflist)
{
unsigned long flags;
struct dpram_blk *ptr;
spin_lock_irqsave(&free_buff_lock, flags);
// Check if buffer is available
/* Check if buffer is available */
if ( list_empty(bufflist) ) {
DEBUG("ft1000_get_buffer: No more buffer - %d\n", numofmsgbuf);
ptr = NULL;
......@@ -91,7 +95,7 @@ struct dpram_blk *ft1000_get_buffer(struct list_head *bufflist)
numofmsgbuf--;
ptr = list_entry(bufflist->next, struct dpram_blk, list);
list_del(&ptr->list);
//DEBUG("ft1000_get_buffer: number of free msg buffers = %d\n", numofmsgbuf);
/* DEBUG("ft1000_get_buffer: number of free msg buffers = %d\n", numofmsgbuf); */
}
spin_unlock_irqrestore(&free_buff_lock, flags);
......@@ -101,42 +105,46 @@ struct dpram_blk *ft1000_get_buffer(struct list_head *bufflist)
//---------------------------------------------------------------------------
// Function: ft1000_free_buffer
//
// Parameters:
//
// Returns:
//
// Description:
//
// Notes:
//
//---------------------------------------------------------------------------
/*
*---------------------------------------------------------------------------
* Function: ft1000_free_buffer
*
* Parameters:
*
* Returns:
*
* Description:
*
* Notes:
*
*---------------------------------------------------------------------------
*/
void ft1000_free_buffer(struct dpram_blk *pdpram_blk, struct list_head *plist)
{
unsigned long flags;
spin_lock_irqsave(&free_buff_lock, flags);
// Put memory back to list
/* Put memory back to list */
list_add_tail(&pdpram_blk->list, plist);
numofmsgbuf++;
//DEBUG("ft1000_free_buffer: number of free msg buffers = %d\n", numofmsgbuf);
/*DEBUG("ft1000_free_buffer: number of free msg buffers = %d\n", numofmsgbuf); */
spin_unlock_irqrestore(&free_buff_lock, flags);
}
//---------------------------------------------------------------------------
// Function: ft1000_CreateDevice
//
// Parameters: dev - pointer to adapter object
//
// Returns: 0 if successful
//
// Description: Creates a private char device.
//
// Notes: Only called by init_module().
//
//---------------------------------------------------------------------------
/*
*---------------------------------------------------------------------------
* Function: ft1000_CreateDevice
*
* Parameters: dev - pointer to adapter object
*
* Returns: 0 if successful
*
* Description: Creates a private char device.
*
* Notes: Only called by init_module().
*
*---------------------------------------------------------------------------
*/
int ft1000_create_dev(struct ft1000_usb *dev)
{
int result;
......@@ -144,7 +152,7 @@ int ft1000_create_dev(struct ft1000_usb *dev)
struct dentry *dir, *file;
struct ft1000_debug_dirs *tmp;
// make a new device name
/* make a new device name */
sprintf(dev->DeviceName, "%s%d", "FT1000_", dev->CardNumber);
DEBUG("%s: number of instance = %d\n", __func__, ft1000_flarion_cnt);
......@@ -157,7 +165,7 @@ int ft1000_create_dev(struct ft1000_usb *dev)
}
// register the device
/* register the device */
DEBUG("%s: \"%s\" debugfs device registration\n", __func__, dev->DeviceName);
tmp = kmalloc(sizeof(struct ft1000_debug_dirs), GFP_KERNEL);
......@@ -186,7 +194,7 @@ int ft1000_create_dev(struct ft1000_usb *dev)
DEBUG("%s: registered debugfs directory \"%s\"\n", __func__, dev->DeviceName);
// initialize application information
/* initialize application information */
dev->appcnt = 0;
for (i=0; i<MAX_NUM_APP; i++) {
dev->app_info[i].nTxMsg = 0;
......@@ -214,16 +222,18 @@ int ft1000_create_dev(struct ft1000_usb *dev)
return result;
}
//---------------------------------------------------------------------------
// Function: ft1000_DestroyDeviceDEBUG
//
// Parameters: dev - pointer to adapter object
//
// Description: Destroys a private char device.
//
// Notes: Only called by cleanup_module().
//
//---------------------------------------------------------------------------
/*
*---------------------------------------------------------------------------
* Function: ft1000_DestroyDeviceDEBUG
*
* Parameters: dev - pointer to adapter object
*
* Description: Destroys a private char device.
*
* Notes: Only called by cleanup_module().
*
*---------------------------------------------------------------------------
*/
void ft1000_destroy_dev(struct net_device *netdev)
{
struct ft1000_info *info = netdev_priv(netdev);
......@@ -253,7 +263,7 @@ void ft1000_destroy_dev(struct net_device *netdev)
DEBUG("%s: unregistered device \"%s\"\n", __func__,
dev->DeviceName);
// Make sure we free any memory reserve for slow Queue
/* Make sure we free any memory reserve for slow Queue */
for (i=0; i<MAX_NUM_APP; i++) {
while (list_empty(&dev->app_info[i].app_sqlist) == 0) {
pdpram_blk = list_entry(dev->app_info[i].app_sqlist.next, struct dpram_blk, list);
......@@ -264,7 +274,7 @@ void ft1000_destroy_dev(struct net_device *netdev)
wake_up_interruptible(&dev->app_info[i].wait_dpram_msg);
}
// Remove buffer allocated for receive command data
/* Remove buffer allocated for receive command data */
if (ft1000_flarion_cnt == 0) {
while (list_empty(&freercvpool) == 0) {
ptr = list_entry(freercvpool.next, struct dpram_blk, list);
......@@ -279,16 +289,18 @@ void ft1000_destroy_dev(struct net_device *netdev)
}
//---------------------------------------------------------------------------
// Function: ft1000_open
//
// Parameters:
//
// Description:
//
// Notes:
//
//---------------------------------------------------------------------------
/*
*---------------------------------------------------------------------------
* Function: ft1000_open
*
* Parameters:
*
* Description:
*
* Notes:
*
*---------------------------------------------------------------------------
*/
static int ft1000_open (struct inode *inode, struct file *file)
{
struct ft1000_info *info;
......@@ -303,20 +315,20 @@ static int ft1000_open (struct inode *inode, struct file *file)
DEBUG("f_owner = %p number of application = %d\n", (&file->f_owner), dev->appcnt );
// Check if maximum number of application exceeded
/* Check if maximum number of application exceeded */
if (dev->appcnt > MAX_NUM_APP) {
DEBUG("Maximum number of application exceeded\n");
return -EACCES;
}
// Search for available application info block
/* Search for available application info block */
for (i=0; i<MAX_NUM_APP; i++) {
if ( (dev->app_info[i].fileobject == NULL) ) {
break;
}
}
// Fail due to lack of application info block
/* Fail due to lack of application info block */
if (i == MAX_NUM_APP) {
DEBUG("Could not find an application info block\n");
return -EACCES;
......@@ -334,16 +346,18 @@ static int ft1000_open (struct inode *inode, struct file *file)
}
//---------------------------------------------------------------------------
// Function: ft1000_poll_dev
//
// Parameters:
//
// Description:
//
// Notes:
//
//---------------------------------------------------------------------------
/*
*---------------------------------------------------------------------------
* Function: ft1000_poll_dev
*
* Parameters:
*
* Description:
*
* Notes:
*
*---------------------------------------------------------------------------
*/
static unsigned int ft1000_poll_dev(struct file *file, poll_table *wait)
{
......@@ -352,21 +366,21 @@ static unsigned int ft1000_poll_dev(struct file *file, poll_table *wait)
struct ft1000_usb *dev = info->priv;
int i;
//DEBUG("ft1000_poll_dev called\n");
/* DEBUG("ft1000_poll_dev called\n"); */
if (ft1000_flarion_cnt == 0) {
DEBUG("FT1000:ft1000_poll_dev called when ft1000_flarion_cnt is zero\n");
return (-EBADF);
}
// Search for matching file object
/* Search for matching file object */
for (i=0; i<MAX_NUM_APP; i++) {
if ( dev->app_info[i].fileobject == &file->f_owner) {
//DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", dev->app_info[i].app_id);
/* DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", dev->app_info[i].app_id); */
break;
}
}
// Could not find application info block
/* Could not find application info block */
if (i == MAX_NUM_APP) {
DEBUG("FT1000:ft1000_ioctl:Could not find application info block\n");
return ( -EACCES );
......@@ -378,21 +392,23 @@ static unsigned int ft1000_poll_dev(struct file *file, poll_table *wait)
}
poll_wait (file, &dev->app_info[i].wait_dpram_msg, wait);
//DEBUG("FT1000:ft1000_poll_dev:Polling for data from DSP\n");
/* DEBUG("FT1000:ft1000_poll_dev:Polling for data from DSP\n"); */
return (0);
}
//---------------------------------------------------------------------------
// Function: ft1000_ioctl
//
// Parameters:
//
// Description:
//
// Notes:
//
//---------------------------------------------------------------------------
/*
*---------------------------------------------------------------------------
* Function: ft1000_ioctl
*
* Parameters:
*
* Description:
*
* Notes:
*
*---------------------------------------------------------------------------
*/
static long ft1000_ioctl (struct file *file, unsigned int command,
unsigned long argument)
{
......@@ -417,21 +433,21 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
unsigned short ledStat=0;
unsigned short conStat=0;
//DEBUG("ft1000_ioctl called\n");
/* DEBUG("ft1000_ioctl called\n"); */
if (ft1000_flarion_cnt == 0) {
DEBUG("FT1000:ft1000_ioctl called when ft1000_flarion_cnt is zero\n");
return (-EBADF);
}
//DEBUG("FT1000:ft1000_ioctl:command = 0x%x argument = 0x%8x\n", command, (u32)argument);
/* DEBUG("FT1000:ft1000_ioctl:command = 0x%x argument = 0x%8x\n", command, (u32)argument); */
info = file->private_data;
ft1000dev = info->priv;
cmd = _IOC_NR(command);
//DEBUG("FT1000:ft1000_ioctl:cmd = 0x%x\n", cmd);
/* DEBUG("FT1000:ft1000_ioctl:cmd = 0x%x\n", cmd); */
// process the command
/* process the command */
switch (cmd) {
case IOCTL_REGISTER_CMD:
DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_REGISTER called\n");
......@@ -441,7 +457,7 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
break;
}
if (tempword == DSPBCMSGID) {
// Search for matching file object
/* Search for matching file object */
for (i=0; i<MAX_NUM_APP; i++) {
if (ft1000dev->app_info[i].fileobject == &file->f_owner) {
ft1000dev->app_info[i].DspBCMsgFlag = 1;
......@@ -467,20 +483,20 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
break;
case IOCTL_CONNECT:
// Connect Message
/* Connect Message */
DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_CONNECT\n");
ConnectionMsg[79] = 0xfc;
card_send_command(ft1000dev, (unsigned short *)ConnectionMsg, 0x4c);
break;
case IOCTL_DISCONNECT:
// Disconnect Message
/* Disconnect Message */
DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_DISCONNECT\n");
ConnectionMsg[79] = 0xfd;
card_send_command(ft1000dev, (unsigned short *)ConnectionMsg, 0x4c);
break;
case IOCTL_GET_DSP_STAT_CMD:
//DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DSP_STAT called\n");
/* DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DSP_STAT called\n"); */
memset(&get_stat_data, 0, sizeof(get_stat_data));
memcpy(get_stat_data.DspVer, info->DspVer, DSPVERSZ);
memcpy(get_stat_data.HwSerNum, info->HwSerNum, HWSERNUMSZ);
......@@ -517,7 +533,7 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
case IOCTL_SET_DPRAM_CMD:
{
IOCTL_DPRAM_BLK *dpram_data = NULL;
//IOCTL_DPRAM_COMMAND dpram_command;
/* IOCTL_DPRAM_COMMAND dpram_command; */
u16 qtype;
u16 msgsz;
struct pseudo_hdr *ppseudo_hdr;
......@@ -526,7 +542,7 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
u16 app_index;
u16 status;
//DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_SET_DPRAM called\n");
/* DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_SET_DPRAM called\n");*/
if (ft1000_flarion_cnt == 0) {
......@@ -545,12 +561,12 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
if (info->CardReady) {
//DEBUG("FT1000:ft1000_ioctl: try to SET_DPRAM \n");
/* DEBUG("FT1000:ft1000_ioctl: try to SET_DPRAM \n"); */
// Get the length field to see how many bytes to copy
/* Get the length field to see how many bytes to copy */
result = get_user(msgsz, (__u16 __user *)argp);
msgsz = ntohs (msgsz);
//DEBUG("FT1000:ft1000_ioctl: length of message = %d\n", msgsz);
/* DEBUG("FT1000:ft1000_ioctl: length of message = %d\n", msgsz); */
if (msgsz > MAX_CMD_SQSIZE) {
DEBUG("FT1000:ft1000_ioctl: bad message length = %d\n", msgsz);
......@@ -568,7 +584,7 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
result = -EFAULT;
}
else {
// Check if this message came from a registered application
/* Check if this message came from a registered application */
for (i=0; i<MAX_NUM_APP; i++) {
if (ft1000dev->app_info[i].fileobject == &file->f_owner) {
break;
......@@ -582,28 +598,28 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
}
app_index = i;
// Check message qtype type which is the lower byte within qos_class
/* Check message qtype type which is the lower byte within qos_class */
qtype = ntohs(dpram_data->pseudohdr.qos_class) & 0xff;
//DEBUG("FT1000_ft1000_ioctl: qtype = %d\n", qtype);
/* DEBUG("FT1000_ft1000_ioctl: qtype = %d\n", qtype); */
if (qtype) {
}
else {
// Put message into Slow Queue
// Only put a message into the DPRAM if msg doorbell is available
/* Put message into Slow Queue */
/* Only put a message into the DPRAM if msg doorbell is available */
status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL);
//DEBUG("FT1000_ft1000_ioctl: READ REGISTER tempword=%x\n", tempword);
/* DEBUG("FT1000_ft1000_ioctl: READ REGISTER tempword=%x\n", tempword); */
if (tempword & FT1000_DB_DPRAM_TX) {
// Suspend for 2ms and try again due to DSP doorbell busy
/* Suspend for 2ms and try again due to DSP doorbell busy */
mdelay(2);
status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL);
if (tempword & FT1000_DB_DPRAM_TX) {
// Suspend for 1ms and try again due to DSP doorbell busy
/* Suspend for 1ms and try again due to DSP doorbell busy */
mdelay(1);
status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL);
if (tempword & FT1000_DB_DPRAM_TX) {
status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL);
if (tempword & FT1000_DB_DPRAM_TX) {
// Suspend for 3ms and try again due to DSP doorbell busy
/* Suspend for 3ms and try again due to DSP doorbell busy */
mdelay(3);
status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL);
if (tempword & FT1000_DB_DPRAM_TX) {
......@@ -617,11 +633,11 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
}
}
//DEBUG("FT1000_ft1000_ioctl: finished reading register\n");
/*DEBUG("FT1000_ft1000_ioctl: finished reading register\n"); */
// Make sure we are within the limits of the slow queue memory limitation
/* Make sure we are within the limits of the slow queue memory limitation */
if ( (msgsz < MAX_CMD_SQSIZE) && (msgsz > PSEUDOSZ) ) {
// Need to put sequence number plus new checksum for message
/* Need to put sequence number plus new checksum for message */
pmsg = (u16 *)&dpram_data->pseudohdr;
ppseudo_hdr = (struct pseudo_hdr *)pmsg;
total_len = msgsz+2;
......@@ -629,15 +645,15 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
total_len++;
}
// Insert slow queue sequence number
/* Insert slow queue sequence number */
ppseudo_hdr->seq_num = info->squeseqnum++;
ppseudo_hdr->portsrc = ft1000dev->app_info[app_index].app_id;
// Calculate new checksum
/* Calculate new checksum */
ppseudo_hdr->checksum = *pmsg++;
//DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum);
/* DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum); */
for (i=1; i<7; i++) {
ppseudo_hdr->checksum ^= *pmsg++;
//DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum);
/* DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum); */
}
pmsg++;
ppseudo_hdr = (struct pseudo_hdr *)pmsg;
......@@ -666,21 +682,21 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
IOCTL_DPRAM_BLK __user *pioctl_dpram;
int msglen;
//DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DPRAM called\n");
/* DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DPRAM called\n"); */
if (ft1000_flarion_cnt == 0) {
return (-EBADF);
}
// Search for matching file object
/* Search for matching file object */
for (i=0; i<MAX_NUM_APP; i++) {
if (ft1000dev->app_info[i].fileobject == &file->f_owner) {
//DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", ft1000dev->app_info[i].app_id);
/*DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", ft1000dev->app_info[i].app_id); */
break;
}
}
// Could not find application info block
/* Could not find application info block */
if (i == MAX_NUM_APP) {
DEBUG("FT1000:ft1000_ioctl:Could not find application info block\n");
result = -EBADF;
......@@ -690,30 +706,30 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
result = 0;
pioctl_dpram = argp;
if (list_empty(&ft1000dev->app_info[i].app_sqlist) == 0) {
//DEBUG("FT1000:ft1000_ioctl:Message detected in slow queue\n");
/* DEBUG("FT1000:ft1000_ioctl:Message detected in slow queue\n"); */
spin_lock_irqsave(&free_buff_lock, flags);
pdpram_blk = list_entry(ft1000dev->app_info[i].app_sqlist.next, struct dpram_blk, list);
list_del(&pdpram_blk->list);
ft1000dev->app_info[i].NumOfMsg--;
//DEBUG("FT1000:ft1000_ioctl:NumOfMsg for app %d = %d\n", i, ft1000dev->app_info[i].NumOfMsg);
/* DEBUG("FT1000:ft1000_ioctl:NumOfMsg for app %d = %d\n", i, ft1000dev->app_info[i].NumOfMsg); */
spin_unlock_irqrestore(&free_buff_lock, flags);
msglen = ntohs(*(u16 *)pdpram_blk->pbuffer) + PSEUDOSZ;
result = get_user(msglen, &pioctl_dpram->total_len);
if (result)
break;
msglen = htons(msglen);
//DEBUG("FT1000:ft1000_ioctl:msg length = %x\n", msglen);
/* DEBUG("FT1000:ft1000_ioctl:msg length = %x\n", msglen); */
if(copy_to_user (&pioctl_dpram->pseudohdr, pdpram_blk->pbuffer, msglen))
{
DEBUG("FT1000:ft1000_ioctl: copy fault occurred\n");
result = -EFAULT;
break;
result = -EFAULT;
break;
}
ft1000_free_buffer(pdpram_blk, &freercvpool);
result = msglen;
}
//DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DPRAM no message\n");
/* DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DPRAM no message\n"); */
}
break;
......@@ -726,16 +742,18 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
return result;
}
//---------------------------------------------------------------------------
// Function: ft1000_release
//
// Parameters:
//
// Description:
//
// Notes:
//
//---------------------------------------------------------------------------
/*
*---------------------------------------------------------------------------
* Function: ft1000_release
*
* Parameters:
*
* Description:
*
* Notes:
*
*---------------------------------------------------------------------------
*/
static int ft1000_release (struct inode *inode, struct file *file)
{
struct ft1000_info *info;
......@@ -755,10 +773,10 @@ static int ft1000_release (struct inode *inode, struct file *file)
return (-EBADF);
}
// Search for matching file object
/* Search for matching file object */
for (i=0; i<MAX_NUM_APP; i++) {
if ( ft1000dev->app_info[i].fileobject == &file->f_owner) {
//DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", ft1000dev->app_info[i].app_id);
/* DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", ft1000dev->app_info[i].app_id); */
break;
}
}
......@@ -773,11 +791,10 @@ static int ft1000_release (struct inode *inode, struct file *file)
ft1000_free_buffer(pdpram_blk, &freercvpool);
}
// initialize application information
/* initialize application information */
ft1000dev->appcnt--;
DEBUG("ft1000_chdev:%s:appcnt = %d\n", __FUNCTION__, ft1000dev->appcnt);
ft1000dev->app_info[i].fileobject = NULL;
return 0;
}
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