[PATCH 2/3] staging:ft1000: Remove dead code from ft1000_hw.c
From: Marek Belisko
Date: Sat Oct 16 2010 - 17:09:32 EST
Signed-off-by: Marek Belisko <marek.belisko@xxxxxxxxxxxxxxx>
---
drivers/staging/ft1000/ft1000-usb/ft1000_hw.c | 267 +------------------------
1 files changed, 5 insertions(+), 262 deletions(-)
diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c b/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c
index 2f19b0e..e160e60 100644
--- a/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c
+++ b/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c
@@ -16,10 +16,6 @@
#include <linux/usb.h>
#include "ft1000_usb.h"
#include <linux/types.h>
-//#include <asm/semaphore.h> //aelias [-] reason : file moved
-//#include <linux/semaphore.h> //aelias [+] reason : file moved
-//#include <asm/io.h>
-//#include <linux/kthread.h>
#define HARLEY_READ_REGISTER 0x0
#define HARLEY_WRITE_REGISTER 0x01
@@ -41,14 +37,6 @@ static int ft1000_start_xmit(struct sk_buff *skb, struct net_device *dev);
static int ft1000_open (struct net_device *dev);
static struct net_device_stats *ft1000_netdev_stats(struct net_device *dev);
static int ft1000_chkcard (struct ft1000_device *dev);
-/*
-static const struct net_device_ops ft1000net_ops = {
- .ndo_start_xmit = ft1000_start_xmit,
- .ndo_get_stats = ft1000_netdev_stats,
- .ndo_open = ft1000_open,
- .ndo_stop = ft1000_close,
-};
-*/
//Jim
@@ -75,7 +63,6 @@ static void ft1000_control_complete(struct urb *urb)
DEBUG("NULL ft1000dev->dev, failure\n");
return ;
}
- //spin_lock(&ft1000dev->device_lock);
if(waitqueue_active(&ft1000dev->control_wait))
{
@@ -83,7 +70,6 @@ static void ft1000_control_complete(struct urb *urb)
}
//DEBUG("FT1000_CONTROL_COMPLETE RETURNED\n");
- //spin_unlock(&ft1000dev->device_lock);
}
//---------------------------------------------------------------------------
@@ -550,14 +536,9 @@ static void card_reset_dsp (struct ft1000_device *ft1000dev, BOOLEAN value)
{
DEBUG("Activate DSP\n");
status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_RESET);
-#if 1
- tempword |= DSP_ENCRYPTED;
- tempword &= ~DSP_UNENCRYPTED;
-#else
- tempword |= DSP_UNENCRYPTED;
- tempword &= ~DSP_ENCRYPTED;
-#endif
- status = ft1000_write_register(ft1000dev, tempword, FT1000_REG_RESET);
+ tempword |= DSP_ENCRYPTED;
+ tempword &= ~DSP_UNENCRYPTED;
+ status = ft1000_write_register(ft1000dev, tempword, FT1000_REG_RESET);
status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_RESET);
tempword &= ~EFUSE_MEM_DISABLE;
tempword &= ~DSP_RESET_BIT;
@@ -589,16 +570,9 @@ void CardSendCommand(struct ft1000_device *ft1000dev, void *ptempbuffer, int siz
DEBUG("CardSendCommand: enter CardSendCommand... size=%d\n", size);
commandbuf =(unsigned char*) kmalloc(size+2, GFP_KERNEL);
- //memset((void*)commandbuf, 0, size+2);
memcpy((void*)commandbuf+2, (void*)ptempbuffer, size);
//DEBUG("CardSendCommand: Command Send\n");
- /***
- for (i=0; i<size+2; i++)
- {
- DEBUG("FT1000:ft1000_ChIoctl: data %d = 0x%x\n", i, *ptr++);
- }
- ***/
ft1000_read_register(ft1000dev, &temp, FT1000_REG_DOORBELL);
@@ -728,51 +702,7 @@ static void ft1000_reset_asic (struct net_device *dev)
DEBUG("ft1000_hw: interrupt status register = 0x%x\n",tempword);
}
-/*
-//---------------------------------------------------------------------------
-//
-// Function: ft1000_disable_interrupts
-// Descripton: This function will disable all interrupts.
-// Input:
-// dev - device structure
-// Output:
-// None.
-//
-//---------------------------------------------------------------------------
-static void ft1000_disable_interrupts(struct net_device *dev) {
- FT1000_INFO *info = netdev_priv(dev);
- struct ft1000_device *ft1000dev = info->pFt1000Dev;
- u16 tempword;
-
- DEBUG("ft1000_hw: ft1000_disable_interrupts()\n");
- ft1000_write_register (ft1000dev, ISR_MASK_ALL, FT1000_REG_SUP_IMASK);
- ft1000_read_register (ft1000dev, &tempword, FT1000_REG_SUP_IMASK);
- DEBUG("ft1000_hw:ft1000_disable_interrupts:current interrupt enable mask = 0x%x\n", tempword);
- info->InterruptsEnabled = FALSE;
-}
-
-//---------------------------------------------------------------------------
-//
-// Function: ft1000_enable_interrupts
-// Descripton: This function will enable interrupts base on the current interrupt mask.
-// Input:
-// dev - device structure
-// Output:
-// None.
-//
-//---------------------------------------------------------------------------
-static void ft1000_enable_interrupts(struct net_device *dev) {
- FT1000_INFO *info = netdev_priv(dev);
- struct ft1000_device *ft1000dev = info->pFt1000Dev;
- u16 tempword;
- DEBUG("ft1000_hw:ft1000_enable_interrupts()\n");
- ft1000_write_register (ft1000dev, info->CurrentInterruptEnableMask, FT1000_REG_SUP_IMASK);
- ft1000_read_register (ft1000dev, &tempword, FT1000_REG_SUP_IMASK);
- DEBUG("ft1000_hw:ft1000_enable_interrupts:current interrupt enable mask = 0x%x\n", tempword);
- info->InterruptsEnabled = TRUE;
-}
-*/
//---------------------------------------------------------------------------
//
@@ -797,7 +727,6 @@ static int ft1000_reset_card (struct net_device *dev)
info->fCondResetPend = 1;
info->CardReady = 0;
info->fProvComplete = 0;
- //ft1000_disable_interrupts(dev);
// Make sure we free any memory reserve for provisioning
while (list_empty(&info->prov_list) == 0) {
@@ -814,76 +743,6 @@ static int ft1000_reset_card (struct net_device *dev)
info->DSPResetNum++;
-#if 0
- DEBUG("ft1000_hw:ft1000_reset_card:resetting ASIC and DSP\n");
- ft1000_write_register (ft1000dev, (DSP_RESET_BIT | ASIC_RESET_BIT), FT1000_REG_RESET );
-
-
- // Copy DSP session record into info block if this is not a coldstart
- //if (ft1000_card_present == 1) {
- spin_lock_irqsave(&info->dpram_lock, flags);
-
- ft1000_write_register(ft1000dev, FT1000_DPRAM_MAG_RX_BASE, FT1000_REG_DPRAM_ADDR);
- for (i=0;i<MAX_DSP_SESS_REC/2; i++) {
- //info->DSPSess.MagRec[i] = inl(dev->base_addr+FT1000_REG_MAG_DPDATA);
- ft1000_read_dpram32(ft1000dev, FT1000_REG_MAG_DPDATA, (PCHAR)&(info->DSPSess.MagRec[i]), 4);
- }
-
- spin_unlock_irqrestore(&info->dpram_lock, flags);
- //}
- info->squeseqnum = 0;
-
- DEBUG("ft1000_hw:ft1000_reset_card:resetting ASIC\n");
- mdelay(10);
- //reset ASIC
- ft1000_reset_asic(dev);
-
- info->DSPResetNum++;
-
- DEBUG("ft1000_hw:ft1000_reset_card:downloading dsp image\n");
-
-
- // Put dsp in reset and take ASIC out of reset
- DEBUG("ft1000_hw:ft1000_reset_card:Put DSP in reset and take ASIC out of reset\n");
- ft1000_write_register (ft1000dev, DSP_RESET_BIT, FT1000_REG_RESET);
-
- // Setting MAGNEMITE ASIC to big endian mode
- ft1000_write_register (ft1000dev, HOST_INTF_BE, FT1000_REG_SUP_CTRL);
-
- // Take DSP out of reset
-
- ft1000_read_register(ft1000dev, &tempword, FT1000_REG_RESET);
- tempword |= DSP_ENCRYPTED;
- tempword &= ~DSP_UNENCRYPTED;
- ft1000_write_register(ft1000dev, tempword, FT1000_REG_RESET);
- tempword &= ~EFUSE_MEM_DISABLE;
- ft1000_write_register(ft1000dev, tempword, FT1000_REG_RESET);
- tempword &= ~DSP_RESET_BIT;
- ft1000_write_register(ft1000dev, tempword, FT1000_REG_RESET);
-
-
- // FLARION_DSP_ACTIVE;
- mdelay(10);
- DEBUG("ft1000_hw:ft1000_reset_card:Take DSP out of reset\n");
-
- // Wait for 0xfefe indicating dsp ready before starting download
- for (i=0; i<50; i++) {
- //tempword = ft1000_read_dpram_mag_16(dev, FT1000_MAG_DPRAM_FEFE, FT1000_MAG_DPRAM_FEFE_INDX);
- ft1000_read_dpram32 (ft1000dev, FT1000_MAG_DPRAM_FEFE_INDX, (PUCHAR)&templong, 4);
- if (tempword == 0xfefe) {
- break;
- }
- mdelay(20);
- }
-
- if (i==50) {
- DEBUG("ft1000_hw:ft1000_reset_card:No FEFE detected from DSP\n");
- return FALSE;
- }
-
-
-#endif
-
DEBUG("ft1000_hw:ft1000_reset_card: call dsp_reload\n");
dsp_reload(ft1000dev);
@@ -900,7 +759,6 @@ static int ft1000_reset_card (struct net_device *dev)
info->CardReady = 1;
- //ft1000_enable_interrupts(dev);
info->fCondResetPend = 0;
return TRUE;
@@ -955,7 +813,6 @@ u16 init_ft1000_netdev(struct ft1000_device *ft1000dev)
return -ENOMEM;
}
- //pInfo = (PFT1000_INFO)netdev->priv;
pInfo = (FT1000_INFO *) netdev_priv (netdev);
//DEBUG("init_ft1000_netdev: gFt1000Info=%x, netdev=%x, ft1000dev=%x\n", gFt1000Info, netdev, ft1000dev);
@@ -990,7 +847,6 @@ u16 init_ft1000_netdev(struct ft1000_device *ft1000dev)
else
{
//not the first inserted card, increase card number by 1
- /*gCardIndex ++;*/
pInfo->CardNumber = gCardIndex;
/*DEBUG("card number = %d\n", pInfo->CardNumber);*/ //mbelian
}
@@ -1035,9 +891,6 @@ u16 init_ft1000_netdev(struct ft1000_device *ft1000dev)
netdev->stop = &ft1000_close;
#endif
- //netif_stop_queue(netdev); //mbelian
-
-
ft1000dev->net = netdev;
@@ -1131,19 +984,6 @@ int reg_ft1000_netdev(struct ft1000_device *ft1000dev, struct usb_interface *int
//Create character device, implemented by Jim
ft1000_CreateDevice(ft1000dev);
- //INIT_LIST_HEAD(&pInfo->prov_list);
-
-
- //hard code MAC address for now
-/**
- netdev->dev_addr[0] = 0;
- netdev->dev_addr[1] = 7;
- netdev->dev_addr[2] = 0x35;
- netdev->dev_addr[3] = 0x84;
- netdev->dev_addr[4] = 0;
- netdev->dev_addr[5] = 0x20 + pInfo->CardNumber;
-**/
-
DEBUG ("reg_ft1000_netdev returned\n");
pInfo->CardReady = 1;
@@ -1177,14 +1017,12 @@ static void ft1000_usb_transmit_complete(struct urb *urb)
struct ft1000_device *ft1000dev = urb->context;
//DEBUG("ft1000_usb_transmit_complete entered\n");
-// Jim spin_lock(&ft1000dev->device_lock);
if (urb->status)
printk("%s: TX status %d\n", ft1000dev->net->name, urb->status);
netif_wake_queue(ft1000dev->net);
-//Jim spin_unlock(&ft1000dev->device_lock);
//DEBUG("Return from ft1000_usb_transmit_complete\n");
}
@@ -1221,11 +1059,6 @@ static int ft1000_read_fifo_reg(struct ft1000_device *ft1000dev,unsigned int pip
spin_lock(&ft1000dev->device_lock);
- /*DECLARE_WAITQUEUE(wait, current);
- struct urb *urb;
- struct usb_ctrlrequest *dr;
- int status;*/
-
if(in_interrupt())
{
spin_unlock(&ft1000dev->device_lock);
@@ -1256,7 +1089,6 @@ static int ft1000_read_fifo_reg(struct ft1000_device *ft1000dev,unsigned int pip
init_waitqueue_head(&ft1000dev->control_wait);
- //current->state = TASK_INTERRUPTIBLE; //mbelian
set_current_state(TASK_INTERRUPTIBLE);
add_wait_queue(&ft1000dev->control_wait, &wait);
@@ -1337,12 +1169,10 @@ static inline u16 ft1000_read_fifo_len (struct net_device *dev)
u16 temp;
u16 ret;
- //FT1000_INFO *info = (PFT1000_INFO)dev->priv;
FT1000_INFO *info = (FT1000_INFO *) netdev_priv (dev);
struct ft1000_device *ft1000dev = info->pFt1000Dev;
// DEBUG("ft1000_read_fifo_len: enter ft1000dev %x\n", ft1000dev); //aelias [-] reason: warning: format ???%x??? expects type ???unsigned int???, but argument 2 has type ???struct ft1000_device *???
DEBUG("ft1000_read_fifo_len: enter ft1000dev %p\n", ft1000dev); //aelias [+] reason: up
- //ft1000_read_register(ft1000dev, &temp, FT1000_REG_MAG_UFSR);
ret = STATUS_SUCCESS;
@@ -1405,45 +1235,6 @@ static int ft1000_copy_down_pkt (struct net_device *netdev, u8 *packet, u16 len)
//DEBUG("ft1000_copy_down_pkt() entered, len = %d\n", len);
-#if 0
- // Check if there is room on the FIFO
- if ( len > ft1000_read_fifo_len (netdev) )
- {
- udelay(10);
- if ( len > ft1000_read_fifo_len (netdev) )
- {
- udelay(20);
- }
-
- if ( len > ft1000_read_fifo_len (netdev) )
- {
- udelay(20);
- }
-
- if ( len > ft1000_read_fifo_len (netdev) )
- {
- udelay(20);
- }
-
- if ( len > ft1000_read_fifo_len (netdev) )
- {
- udelay(20);
- }
-
- if ( len > ft1000_read_fifo_len (netdev) )
- {
- udelay(20);
- }
-
- if ( len > ft1000_read_fifo_len (netdev) )
- {
- DEBUG("ft1000_hw:ft1000_copy_down_pkt:Transmit FIFO is fulli - pkt drop\n");
- pInfo->stats.tx_errors++;
- return STATUS_SUCCESS;
- }
- }
-#endif
-
count = sizeof(struct pseudo_hdr) + len;
if(count > MAX_BUF_SIZE)
{
@@ -1472,8 +1263,6 @@ static int ft1000_copy_down_pkt (struct net_device *netdev, u8 *packet, u16 len)
*pTemp++ = checksum;
memcpy(&(pFt1000Dev->tx_buf[sizeof(struct pseudo_hdr)]), packet, len);
- //usb_init_urb(pFt1000Dev->tx_urb); //mbelian
-
netif_stop_queue(netdev);
//DEBUG ("ft1000_copy_down_pkt: count = %d\n", count);
@@ -1499,9 +1288,6 @@ static int ft1000_copy_down_pkt (struct net_device *netdev, u8 *packet, u16 len)
{
DEBUG("ft1000 failed tx_urb %d\n", ret);
- /* pInfo->stats.tx_errors++;
-
- netif_start_queue(netdev); */ //mbelian
return STATUS_FAILURE;
}
@@ -1552,7 +1338,6 @@ static int ft1000_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
DEBUG("network driver is closed, return\n");
dev_kfree_skb(skb);
- //usb_kill_urb(pFt1000Dev->tx_urb); //mbelian
return STATUS_SUCCESS;
}
@@ -1730,7 +1515,6 @@ static int ft1000_submit_rx_urb(PFT1000_INFO info)
int result;
struct ft1000_device *pFt1000Dev = info->pFt1000Dev;
- //netif_carrier_on(pFt1000Dev->net);
//DEBUG ("ft1000_submit_rx_urb entered: sizeof rx_urb is %d\n", sizeof(*pFt1000Dev->rx_urb));
if ( pFt1000Dev->status & FT1000_STATUS_CLOSING)
@@ -1739,10 +1523,6 @@ static int ft1000_submit_rx_urb(PFT1000_INFO info)
//usb_kill_urb(pFt1000Dev->rx_urb); //mbelian
return STATUS_SUCCESS;
}
- //memset(pFt1000Dev->rx_urb, 0, sizeof(*pFt1000Dev->rx_urb));
- //usb_init_urb(pFt1000Dev->rx_urb);//mbelian
-
- //spin_lock_init(&pFt1000Dev->rx_urb->lock);
usb_fill_bulk_urb(pFt1000Dev->rx_urb,
pFt1000Dev->dev,
@@ -1797,8 +1577,6 @@ static int ft1000_open (struct net_device *dev)
netif_start_queue(dev);
- //netif_device_attach(dev);
-
netif_carrier_on(dev); //mbelian
ft1000_submit_rx_urb(pInfo);
@@ -1827,11 +1605,8 @@ int ft1000_close(struct net_device *net)
//DEBUG ("ft1000_close: netdev->refcnt=%d\n", net->refcnt);
ft1000dev->status |= FT1000_STATUS_CLOSING;
-
+
//DEBUG("ft1000_close: calling usb_kill_urb \n");
- //usb_kill_urb(ft1000dev->rx_urb);
- //usb_kill_urb(ft1000dev->tx_urb);
-
DEBUG("ft1000_close: pInfo=%p, ft1000dev=%p\n", pInfo, ft1000dev);
netif_carrier_off(net);//mbelian
@@ -1848,9 +1623,7 @@ int ft1000_close(struct net_device *net)
static struct net_device_stats *ft1000_netdev_stats(struct net_device *dev)
{
FT1000_INFO *info = (FT1000_INFO *) netdev_priv (dev);
- //struct ft1000_device *ft1000dev = info->pFt1000Dev;
- //return &(ft1000dev->stats);//mbelian
return &(info->stats); //mbelian
}
@@ -1896,7 +1669,6 @@ static int ft1000_chkcard (struct ft1000_device *dev) {
// if the device is not present.
status = ft1000_read_register(dev, &tempword, FT1000_REG_ASIC_ID);
//DEBUG("ft1000_hw:ft1000_chkcard: read FT1000_REG_ASIC_ID = %x\n", tempword);
- //pxu if (tempword == 0xffff) {
if (tempword != 0x1b01 ){
dev->status |= FT1000_STATUS_CLOSING; //mbelian
DEBUG("ft1000_hw:ft1000_chkcard: Version = 0xffff Card not detected\n");
@@ -1934,7 +1706,6 @@ static BOOLEAN ft1000_receive_cmd (struct ft1000_device *dev, u16 *pbuffer, int
}
else {
ppseudohdr = (u16 *)pbuffer;
- //spin_lock_irqsave (&info->dpram_lock, flags);
ft1000_write_register(dev, FT1000_DPRAM_MAG_RX_BASE, FT1000_REG_DPRAM_ADDR);
ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH);
//DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
@@ -1958,7 +1729,6 @@ static BOOLEAN ft1000_receive_cmd (struct ft1000_device *dev, u16 *pbuffer, int
ret = ft1000_read_register(dev, &tempword, FT1000_REG_DPRAM_DATA);
*pbuffer = ntohs(tempword);
}
- //spin_unlock_irqrestore(&info->dpram_lock, flags);
// Check if pseudo header checksum is good
// Calculate pseudo header checksum
@@ -1970,24 +1740,6 @@ static BOOLEAN ft1000_receive_cmd (struct ft1000_device *dev, u16 *pbuffer, int
return FALSE;
}
-
-#if 0
- DEBUG("ft1000_receive_cmd:pbuffer\n");
- for(i = 0; i < size; i+=5)
- {
- if( (i + 5) < size )
- DEBUG("0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n", tempbuffer[i], tempbuffer[i+1], tempbuffer[i+2], tempbuffer[i+3], tempbuffer[i+4]);
- else
- {
- for (j = i; j < size; j++)
- DEBUG("0x%x ", tempbuffer[j]);
- DEBUG("\n");
- break;
- }
- }
-
-#endif
-
return TRUE;
}
}
@@ -2008,8 +1760,7 @@ static int ft1000_dsp_prov(void *arg)
DEBUG("*** DspProv Entered\n");
- while ( list_empty(&info->prov_list) == 0
- /*&& !kthread_should_stop() */)
+ while (list_empty(&info->prov_list) == 0)
{
DEBUG("DSP Provisioning List Entry\n");
@@ -2040,7 +1791,6 @@ static int ft1000_dsp_prov(void *arg)
len = *(u16 *)ptr->pprov_data;
len = htons(len);
len += PSEUDOSZ;
- //len = htons(len);
pmsg = (PUSHORT)ptr->pprov_data;
ppseudo_hdr = (struct pseudo_hdr *)pmsg;
@@ -2091,7 +1841,6 @@ static int ft1000_proc_drvmsg (struct ft1000_device *dev, u16 size) {
struct pseudo_hdr *ppseudo_hdr;
PUSHORT pmsg;
u16 status;
- //struct timeval tv; //mbelian
union {
u8 byte[2];
u16 wrd;
@@ -2105,8 +1854,6 @@ static int ft1000_proc_drvmsg (struct ft1000_device *dev, u16 size) {
status = ft1000_read_dpram32(dev, 0x200, cmdbuffer, size);
- //if (ft1000_receive_cmd(dev, &cmdbuffer[0], MAX_CMD_SQSIZE, &tempword))
- {
#ifdef JDEBUG
DEBUG("ft1000_proc_drvmsg:cmdbuffer\n");
@@ -2354,7 +2101,6 @@ static int ft1000_proc_drvmsg (struct ft1000_device *dev, u16 size) {
break;
}
- }
status = STATUS_SUCCESS;
out:
@@ -2367,8 +2113,6 @@ out:
int ft1000_poll(void* dev_id) {
- //FT1000_INFO *info = (PFT1000_INFO)((struct net_device *)dev_id)->priv;
- //struct ft1000_device *dev = (struct ft1000_device *)info->pFt1000Dev;
struct ft1000_device *dev = (struct ft1000_device *)dev_id;
FT1000_INFO *info = (FT1000_INFO *) netdev_priv (dev->net);
@@ -2393,7 +2137,6 @@ int ft1000_poll(void* dev_id) {
status = ft1000_read_register (dev, &tempword, FT1000_REG_DOORBELL);
// DEBUG("ft1000_poll: read FT1000_REG_DOORBELL message 0x%x\n", tempword);
- //while ( (tempword) && (!status) ) {
if ( !status )
{
--
1.7.1
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