[PATCH] staging:ft1000: Remove dead code in ft1000_hw.c

From: Marek Belisko
Date: Mon Mar 28 2011 - 07:10:43 EST

Signed-off-by: Marek Belisko <marek.belisko@xxxxxxxxxxxxxxx>
---
drivers/staging/ft1000/ft1000-usb/ft1000_hw.c | 151 +++++--------------------
1 files changed, 30 insertions(+), 121 deletions(-)

diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c b/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c
index 78dcd49..0d0e437 100644
--- a/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c
+++ b/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c
@@ -6,8 +6,6 @@
//
// $Id:
//====================================================
-// 20090926; aelias; removed compiler warnings & errors; ubuntu 9.04; 2.6.28-15-generic
-
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
@@ -38,8 +36,6 @@ 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);

-//Jim
-
static u8 tempbuffer[1600];

#define MAX_RCV_LOOP 100
@@ -492,8 +488,6 @@ void card_send_command(struct ft1000_device *ft1000dev, void *ptempbuffer,
commandbuf = (unsigned char *)kmalloc(size + 2, GFP_KERNEL);
memcpy((void *)commandbuf + 2, (void *)ptempbuffer, size);

- //DEBUG("card_send_command: Command Send\n");
-
ft1000_read_register(ft1000dev, &temp, FT1000_REG_DOORBELL);

if (temp & 0x0100)
@@ -506,16 +500,14 @@ void card_send_command(struct ft1000_device *ft1000dev, void *ptempbuffer,
if (size % 4)
size += 4 - (size % 4);

- //DEBUG("card_send_command: write dpram ... size=%d\n", size);
ft1000_write_dpram32(ft1000dev, 0, commandbuf, size);
msleep(1);
- //DEBUG("card_send_command: write into doorbell ...\n");
ft1000_write_register(ft1000dev, FT1000_DB_DPRAM_TX,
FT1000_REG_DOORBELL);
msleep(1);

ft1000_read_register(ft1000dev, &temp, FT1000_REG_DOORBELL);
- //DEBUG("card_send_command: read doorbell ...temp=%x\n", temp);
+
if ((temp & 0x0100) == 0) {
//DEBUG("card_send_command: Message sent\n");
}
@@ -683,8 +675,6 @@ static int ft1000_reset_card(struct net_device *dev)
return TRUE;
}

-
-//mbelian
#ifdef HAVE_NET_DEVICE_OPS
static const struct net_device_ops ftnet_ops =
{
@@ -904,14 +894,10 @@ static void ft1000_usb_transmit_complete(struct urb *urb)

struct ft1000_device *ft1000dev = urb->context;

- //DEBUG("ft1000_usb_transmit_complete entered\n");
-
if (urb->status)
pr_err("%s: TX status %d\n", ft1000dev->net->name, urb->status);

netif_wake_queue(ft1000dev->net);
-
- //DEBUG("Return from ft1000_usb_transmit_complete\n");
}

//---------------------------------------------------------------------------
@@ -943,8 +929,6 @@ static int ft1000_copy_down_pkt(struct net_device *netdev, u8 * packet, u16 len)
return -ENODEV;
}

- //DEBUG("ft1000_copy_down_pkt() entered, len = %d\n", len);
-
count = sizeof(struct pseudo_hdr) + len;
if (count > MAX_BUF_SIZE) {
DEBUG("Error:ft1000_copy_down_pkt:Message Size Overflow!\n");
@@ -973,8 +957,6 @@ static int ft1000_copy_down_pkt(struct net_device *netdev, u8 * packet, u16 len)

netif_stop_queue(netdev);

- //DEBUG ("ft1000_copy_down_pkt: count = %d\n", count);
-
usb_fill_bulk_urb(pFt1000Dev->tx_urb,
pFt1000Dev->dev,
usb_sndbulkpipe(pFt1000Dev->dev,
@@ -983,11 +965,6 @@ static int ft1000_copy_down_pkt(struct net_device *netdev, u8 * packet, u16 len)
ft1000_usb_transmit_complete, (void *)pFt1000Dev);

t = (u8 *) pFt1000Dev->tx_urb->transfer_buffer;
- //DEBUG("transfer_length=%d\n", pFt1000Dev->tx_urb->transfer_buffer_length);
- /*for (i=0; i<count; i++ )
- {
- DEBUG("%x ", *t++ );
- } */

ret = usb_submit_urb(pFt1000Dev->tx_urb, GFP_ATOMIC);

@@ -999,8 +976,6 @@ static int ft1000_copy_down_pkt(struct net_device *netdev, u8 * packet, u16 len)
pInfo->stats.tx_bytes += (len + 14);
}

- //DEBUG("ft1000_copy_down_pkt() exit\n");
-
return 0;
}

@@ -1026,8 +1001,6 @@ static int ft1000_start_xmit(struct sk_buff *skb, struct net_device *dev)
u8 *pdata;
int maxlen, pipe;

- //DEBUG(" ft1000_start_xmit() entered\n");
-
if (skb == NULL) {
DEBUG("ft1000_hw: ft1000_start_xmit:skb == NULL!!!\n");
return NETDEV_TX_OK;
@@ -1037,17 +1010,12 @@ static int ft1000_start_xmit(struct sk_buff *skb, struct net_device *dev)
DEBUG("network driver is closed, return\n");
goto err;
}
- //DEBUG("ft1000_start_xmit 1:length of packet = %d\n", skb->len);
+
pipe =
usb_sndbulkpipe(pFt1000Dev->dev, pFt1000Dev->bulk_out_endpointAddr);
maxlen = usb_maxpacket(pFt1000Dev->dev, pipe, usb_pipeout(pipe));
- //DEBUG("ft1000_start_xmit 2: pipe=%d dev->maxpacket = %d\n", pipe, maxlen);

pdata = (u8 *) skb->data;
- /*for (i=0; i<skb->len; i++)
- DEBUG("skb->data[%d]=%x ", i, *(skb->data+i));
-
- DEBUG("\n"); */

if (pInfo->mediastate == 0) {
/* Drop packet is mediastate is down */
@@ -1060,13 +1028,12 @@ static int ft1000_start_xmit(struct sk_buff *skb, struct net_device *dev)
DEBUG("ft1000_hw:ft1000_start_xmit:invalid ethernet length\n");
goto err;
}
-//mbelian
+
ft1000_copy_down_pkt(dev, (pdata + ENET_HEADER_SIZE - 2),
skb->len - ENET_HEADER_SIZE + 2);

err:
dev_kfree_skb(skb);
- //DEBUG(" ft1000_start_xmit() exit\n");

return NETDEV_TX_OK;
}
@@ -1093,24 +1060,20 @@ static int ft1000_copy_up_pkt(struct urb *urb)

u16 tempword;
u16 len;
- u16 lena; //mbelian
+ u16 lena;
struct sk_buff *skb;
u16 i;
u8 *pbuffer = NULL;
u8 *ptemp = NULL;
u16 *chksum;

- //DEBUG("ft1000_copy_up_pkt entered\n");
-
if (ft1000dev->status & FT1000_STATUS_CLOSING) {
DEBUG("network driver is closed, return\n");
return STATUS_SUCCESS;
}
// Read length
len = urb->transfer_buffer_length;
- lena = urb->actual_length; //mbelian
- //DEBUG("ft1000_copy_up_pkt: transfer_buffer_length=%d, actual_buffer_len=%d\n",
- // urb->transfer_buffer_length, urb->actual_length);
+ lena = urb->actual_length;

chksum = (u16 *) ft1000dev->rx_buf;

@@ -1124,8 +1087,6 @@ static int ft1000_copy_up_pkt(struct urb *urb)
return STATUS_FAILURE;
}

- //DEBUG("ft1000_copy_up_pkt: checksum is correct %x\n", *chksum);
-
skb = dev_alloc_skb(len + 12 + 2);

if (skb == NULL) {
@@ -1157,12 +1118,6 @@ static int ft1000_copy_up_pkt(struct urb *urb)
memcpy(pbuffer, ft1000dev->rx_buf + sizeof(struct pseudo_hdr),
len - sizeof(struct pseudo_hdr));

- //DEBUG("ft1000_copy_up_pkt: Data passed to Protocol layer\n");
- /*for (i=0; i<len+12; i++)
- {
- DEBUG("ft1000_copy_up_pkt: Protocol Data: 0x%x\n ", *ptemp++);
- } */
-
skb->dev = net;

skb->protocol = eth_type_trans(skb, net);
@@ -1171,10 +1126,10 @@ static int ft1000_copy_up_pkt(struct urb *urb)

info->stats.rx_packets++;
/* Add on 12 bytes for MAC address which was removed */
- info->stats.rx_bytes += (lena + 12); //mbelian
+ info->stats.rx_bytes += (lena + 12);

ft1000_submit_rx_urb(info);
- //DEBUG("ft1000_copy_up_pkt exited\n");
+
return SUCCESS;
}

@@ -1197,10 +1152,8 @@ static int ft1000_submit_rx_urb(struct ft1000_info *info)
int result;
struct ft1000_device *pFt1000Dev = info->pFt1000Dev;

- //DEBUG ("ft1000_submit_rx_urb entered: sizeof rx_urb is %d\n", sizeof(*pFt1000Dev->rx_urb));
if (pFt1000Dev->status & FT1000_STATUS_CLOSING) {
DEBUG("network driver is closed, return\n");
- //usb_kill_urb(pFt1000Dev->rx_urb); //mbelian
return -ENODEV;
}

@@ -1218,7 +1171,6 @@ static int ft1000_submit_rx_urb(struct ft1000_info *info)
result);
return result;
}
- //DEBUG("ft1000_submit_rx_urb exit: result=%d\n", result);

return 0;
}
@@ -1241,23 +1193,22 @@ static int ft1000_submit_rx_urb(struct ft1000_info *info)
static int ft1000_open(struct net_device *dev)
{
struct ft1000_info *pInfo = netdev_priv(dev);
- struct timeval tv; //mbelian
+ struct timeval tv;
int ret;

DEBUG("ft1000_open is called for card %d\n", pInfo->CardNumber);
- //DEBUG("ft1000_open: dev->addr=%x, dev->addr_len=%d\n", dev->addr, dev->addr_len);

- pInfo->stats.rx_bytes = 0; //mbelian
- pInfo->stats.tx_bytes = 0; //mbelian
- pInfo->stats.rx_packets = 0; //mbelian
- pInfo->stats.tx_packets = 0; //mbelian
+ pInfo->stats.rx_bytes = 0;
+ pInfo->stats.tx_bytes = 0;
+ pInfo->stats.rx_packets = 0;
+ pInfo->stats.tx_packets = 0;
do_gettimeofday(&tv);
pInfo->ConTm = tv.tv_sec;
- pInfo->ProgConStat = 0; //mbelian
+ pInfo->ProgConStat = 0;

netif_start_queue(dev);

- netif_carrier_on(dev); //mbelian
+ netif_carrier_on(dev);

ret = ft1000_submit_rx_urb(pInfo);

@@ -1283,19 +1234,14 @@ int ft1000_close(struct net_device *net)
struct ft1000_info *pInfo = netdev_priv(net);
struct ft1000_device *ft1000dev = pInfo->pFt1000Dev;

- //DEBUG ("ft1000_close: netdev->refcnt=%d\n", net->refcnt);
-
ft1000dev->status |= FT1000_STATUS_CLOSING;

- //DEBUG("ft1000_close: calling usb_kill_urb \n");
-
DEBUG("ft1000_close: pInfo=%p, ft1000dev=%p\n", pInfo, ft1000dev);
- netif_carrier_off(net); //mbelian
+ netif_carrier_off(net);
netif_stop_queue(net);
- //DEBUG("ft1000_close: netif_stop_queue called\n");
ft1000dev->status &= ~FT1000_STATUS_CLOSING;

- pInfo->ProgConStat = 0xff; //mbelian
+ pInfo->ProgConStat = 0xff;

return 0;
}
@@ -1304,15 +1250,10 @@ static struct net_device_stats *ft1000_netdev_stats(struct net_device *dev)
{
struct ft1000_info *info = netdev_priv(dev);

- return &(info->stats); //mbelian
+ return &(info->stats);
}


-/*********************************************************************************
-Jim
-*/
-
-
//---------------------------------------------------------------------------
//
// Function: ft1000_chkcard
@@ -1340,7 +1281,6 @@ static int ft1000_chkcard(struct ft1000_device *dev)
* set to zero.
*/
status = ft1000_read_register(dev, &tempword, FT1000_REG_SUP_IMASK);
- //DEBUG("ft1000_hw:ft1000_chkcard: read FT1000_REG_SUP_IMASK = %x\n", tempword);
if (tempword == 0) {
DEBUG
("ft1000_hw:ft1000_chkcard: IMASK = 0 Card not detected\n");
@@ -1350,9 +1290,8 @@ 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);
if (tempword != 0x1b01) {
- dev->status |= FT1000_STATUS_CLOSING; //mbelian
+ dev->status |= FT1000_STATUS_CLOSING;
DEBUG
("ft1000_hw:ft1000_chkcard: Version = 0xffff Card not detected\n");
return FALSE;
@@ -1395,7 +1334,6 @@ static bool ft1000_receive_cmd(struct ft1000_device *dev, u16 *pbuffer,
FT1000_REG_DPRAM_ADDR);
ret =
ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH);
- //DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
pbuffer++;
ft1000_write_register(dev, FT1000_DPRAM_MAG_RX_BASE + 1,
FT1000_REG_DPRAM_ADDR);
@@ -1412,11 +1350,11 @@ static bool ft1000_receive_cmd(struct ft1000_device *dev, u16 *pbuffer,
/* copy odd aligned word */
ret =
ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAL);
- //DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
+
pbuffer++;
ret =
ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH);
- //DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
+
pbuffer++;
if (size & 0x0001) {
/* copy odd byte from fifo */
@@ -1495,10 +1433,8 @@ static int ft1000_dsp_prov(void *arg)
ppseudo_hdr->portsrc = 0;
/* Calculate new checksum */
ppseudo_hdr->checksum = *pmsg++;
- //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);
}

TempShortBuf[0] = 0;
@@ -1582,21 +1518,16 @@ static int ft1000_proc_drvmsg(struct ft1000_device *dev, u16 size)
DEBUG("Media is up\n");
if (info->mediastate == 0) {
if (info->NetDevRegDone) {
- //netif_carrier_on(dev->net);//mbelian
netif_wake_queue(dev->
net);
}
info->mediastate = 1;
- /*do_gettimeofday(&tv);
- info->ConTm = tv.tv_sec; *///mbelian
}
} else {
DEBUG("Media is down\n");
if (info->mediastate == 1) {
info->mediastate = 0;
if (info->NetDevRegDone) {
- //netif_carrier_off(dev->net); mbelian
- //netif_stop_queue(dev->net);
}
info->ConTm = 0;
}
@@ -1605,10 +1536,6 @@ static int ft1000_proc_drvmsg(struct ft1000_device *dev, u16 size)
DEBUG("Media is down\n");
if (info->mediastate == 1) {
info->mediastate = 0;
- if (info->NetDevRegDone) {
- //netif_carrier_off(dev->net); //mbelian
- //netif_stop_queue(dev->net);
- }
info->ConTm = 0;
}
}
@@ -1860,31 +1787,26 @@ int ft1000_poll(void* dev_id) {
struct pseudo_hdr *ppseudo_hdr;
unsigned long flags;

- //DEBUG("Enter ft1000_poll...\n");
if (ft1000_chkcard(dev) == FALSE) {
DEBUG("ft1000_poll::ft1000_chkcard: failed\n");
return STATUS_FAILURE;
}

status = ft1000_read_register (dev, &tempword, FT1000_REG_DOORBELL);
- // DEBUG("ft1000_poll: read FT1000_REG_DOORBELL message 0x%x\n", tempword);

if ( !status )
{

if (tempword & FT1000_DB_DPRAM_RX) {
- //DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type: FT1000_DB_DPRAM_RX\n");

status = ft1000_read_dpram16(dev, 0x200, (u8 *)&data, 0);
- //DEBUG("ft1000_poll:FT1000_DB_DPRAM_RX:ft1000_read_dpram16:size = 0x%x\n", data);
- size = ntohs(data) + 16 + 2; //wai
+ size = ntohs(data) + 16 + 2;
if (size % 4) {
modulo = 4 - (size % 4);
size = size + modulo;
}
status = ft1000_read_dpram16(dev, 0x201, (u8 *)&portid, 1);
portid &= 0xff;
- //DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type: FT1000_DB_DPRAM_RX : portid 0x%x\n", portid);

if (size < MAX_CMD_SQSIZE) {
switch (portid)
@@ -1899,13 +1821,11 @@ int ft1000_poll(void* dev_id) {
case DSPBCMSGID:
// This is a dsp broadcast message
// Check which application has registered for dsp broadcast messages
- //DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type: FT1000_DB_DPRAM_RX : portid DSPBCMSGID\n");

for (i=0; i<MAX_NUM_APP; i++) {
if ( (info->app_info[i].DspBCMsgFlag) && (info->app_info[i].fileobject) &&
(info->app_info[i].NumOfMsg < MAX_MSG_LIMIT) )
{
- //DEBUG("Dsp broadcast message detected for app id %d\n", i);
nxtph = FT1000_DPRAM_RX_BASE + 2;
pdpram_blk = ft1000_get_buffer (&freercvpool);
if (pdpram_blk != NULL) {
@@ -1929,15 +1849,13 @@ int ft1000_poll(void* dev_id) {
else {
DEBUG("Out of memory in free receive command pool\n");
info->app_info[i].nRxMsgMiss++;
- }//endof if (pdpram_blk != NULL)
- }//endof if
- //else
- // DEBUG("app_info mismatch\n");
- }// endof for
+ }
+ }
+ }
break;
default:
pdpram_blk = ft1000_get_buffer (&freercvpool);
- //DEBUG("Memory allocated = 0x%8x\n", (u32)pdpram_blk);
+
if (pdpram_blk != NULL) {
if ( ft1000_receive_cmd(dev, pdpram_blk->pbuffer, MAX_CMD_SQSIZE, &nxtph) ) {
ppseudo_hdr = (struct pseudo_hdr *)pdpram_blk->pbuffer;
@@ -1961,11 +1879,8 @@ int ft1000_poll(void* dev_id) {
else {
info->app_info[i].nRxMsg++;
// Put message into the appropriate application block
- //pxu spin_lock_irqsave(&free_buff_lock, flags);
list_add_tail(&pdpram_blk->list, &info->app_info[i].app_sqlist);
info->app_info[i].NumOfMsg++;
- //pxu spin_unlock_irqrestore(&free_buff_lock, flags);
- //pxu wake_up_interruptible(&info->app_info[i].wait_dpram_msg);
}
}
}
@@ -1978,15 +1893,14 @@ int ft1000_poll(void* dev_id) {
DEBUG("Out of memory in free receive command pool\n");
}
break;
- } //end of switch
- } //endof if (size < MAX_CMD_SQSIZE)
+ }
+ }
else {
DEBUG("FT1000:dpc:Invalid total length for SlowQ = %d\n", size);
}
status = ft1000_write_register (dev, FT1000_DB_DPRAM_RX, FT1000_REG_DOORBELL);
}
else if (tempword & FT1000_DSP_ASIC_RESET) {
- //DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type: FT1000_DSP_ASIC_RESET\n");

// Let's reset the ASIC from the Host side as well
status = ft1000_write_register (dev, ASIC_RESET_BIT, FT1000_REG_RESET);
@@ -2025,10 +1939,8 @@ int ft1000_poll(void* dev_id) {
}
else if (tempword & FT1000_DB_COND_RESET) {
DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type: FT1000_DB_COND_RESET\n");
-//By Jim
-// Reset ASIC and DSP
-//MAG
- if (info->fAppMsgPend == 0) {
+
+ if (info->fAppMsgPend == 0) {
// Reset ASIC and DSP

status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER0, (u8 *)&(info->DSP_TIME[0]), FT1000_MAG_DSP_TIMER0_INDX);
@@ -2048,11 +1960,8 @@ int ft1000_poll(void* dev_id) {
ft1000_write_register(dev, FT1000_DB_COND_RESET, FT1000_REG_DOORBELL);
}

- }//endof if ( !status )
+ }

- //DEBUG("return from ft1000_poll.\n");
return STATUS_SUCCESS;

}
-
-/*end of Jim*/
--
1.7.1

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