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staging: ft1000: Remove unused function ft1000_hbchk() 

Signed-off-by: Marek Belisko <marek.belisko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Marek Belisko 2010-10-15 10:51:22 +02:00 committed by Greg Kroah-Hartman
parent 81a2fff67a
commit 7dc5911599
1 changed files with 1 additions and 147 deletions
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148
drivers/staging/ft1000/ft1000-usb/ft1000_hw.c
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@ -37,11 +37,9 @@
static int ft1000_reset(struct net_device *ft1000dev);
static int ft1000_submit_rx_urb(PFT1000_INFO info);
static void ft1000_hbchk(u_long data);
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 struct timer_list poll_timer[MAX_NUM_CARDS];
static int ft1000_chkcard (struct ft1000_device *dev);
/*
static const struct net_device_ops ft1000net_ops = {
@ -801,9 +799,6 @@ static int ft1000_reset_card (struct net_device *dev)
info->fProvComplete = 0;
//ft1000_disable_interrupts(dev);
// Cancel heartbeat task since we are reloading the dsp
//del_timer(&poll_timer[info->CardNumber]);
// Make sure we free any memory reserve for provisioning
while (list_empty(&info->prov_list) == 0) {
DEBUG("ft1000_hw:ft1000_reset_card:deleting provisioning record\n");
@ -906,10 +901,6 @@ static int ft1000_reset_card (struct net_device *dev)
info->CardReady = 1;
//ft1000_enable_interrupts(dev);
/* Schedule heartbeat process to run every 2 seconds */
//poll_timer[info->CardNumber].expires = jiffies + (2*HZ);
//poll_timer[info->CardNumber].data = (u_long)dev;
//add_timer(&poll_timer[info->CardNumber]);
info->fCondResetPend = 0;
return TRUE;
@ -1112,7 +1103,7 @@ u16 reg_ft1000_netdev(struct ft1000_device *ft1000dev, struct usb_interface *int
{
struct net_device *netdev;
FT1000_INFO *pInfo;
int i, rc;
int rc;
netdev = ft1000dev->net;
pInfo = netdev_priv(ft1000dev->net);
@ -1138,10 +1129,6 @@ u16 reg_ft1000_netdev(struct ft1000_device *ft1000dev, struct usb_interface *int
//INIT_LIST_HEAD(&pInfo->prov_list);
for (i=0; i<MAX_NUM_CARDS; i++) {
poll_timer[i].function = ft1000_hbchk;
}
//hard code MAC address for now
/**
@ -1914,140 +1901,7 @@ static int ft1000_chkcard (struct ft1000_device *dev) {
return TRUE;
}
//---------------------------------------------------------------------------
//
// Function: ft1000_hbchk
// Descripton: This function will perform the heart beat check of the DSP as
// well as the ASIC.
// Input:
// dev - device structure
// Output:
// none
//
//---------------------------------------------------------------------------
static void ft1000_hbchk(u_long data)
{
struct ft1000_device *dev = (struct ft1000_device *)data;
FT1000_INFO *info;
USHORT tempword;
u16 status;
info = (FT1000_INFO *) netdev_priv (dev->net);
DEBUG("ft1000_hbchk called for CardNumber = %d CardReady = %d\n", info->CardNumber, info->CardReady);
if (info->fCondResetPend == 1) {
// Reset ASIC and DSP
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER0, (PUCHAR)&(info->DSP_TIME[0]), FT1000_MAG_DSP_TIMER0_INDX);
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER1, (PUCHAR)&(info->DSP_TIME[1]), FT1000_MAG_DSP_TIMER1_INDX);
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER2, (PUCHAR)&(info->DSP_TIME[2]), FT1000_MAG_DSP_TIMER2_INDX);
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER3, (PUCHAR)&(info->DSP_TIME[3]), FT1000_MAG_DSP_TIMER3_INDX);
info->DrvErrNum = DSP_CONDRESET_INFO;
DEBUG("ft1000_hw:DSP conditional reset requested\n");
ft1000_reset_card(dev->net);
info->fCondResetPend = 0;
/* Schedule this module to run every 2 seconds */
poll_timer[info->CardNumber].expires = jiffies + (2*HZ);
poll_timer[info->CardNumber].data = (u_long)dev;
add_timer(&poll_timer[info->CardNumber]);
return;
}
if (info->CardReady == 1) {
// Perform dsp heartbeat check
status = ntohs(ft1000_read_dpram16(dev, FT1000_MAG_HI_HO, (PUCHAR)&tempword, FT1000_MAG_HI_HO_INDX));
DEBUG("ft1000_hw:ft1000_hbchk:hi_ho value = 0x%x\n", tempword);
// Let's perform another check if ho is not detected
if (tempword != ho) {
status = ntohs(ft1000_read_dpram16(dev, FT1000_MAG_HI_HO, (PUCHAR)&tempword,FT1000_MAG_HI_HO_INDX));
}
if (tempword != ho) {
printk(KERN_INFO "ft1000: heartbeat failed - no ho detected\n");
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER0, (PUCHAR)&(info->DSP_TIME[0]), FT1000_MAG_DSP_TIMER0_INDX);
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER1, (PUCHAR)&(info->DSP_TIME[1]), FT1000_MAG_DSP_TIMER1_INDX);
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER2, (PUCHAR)&(info->DSP_TIME[2]), FT1000_MAG_DSP_TIMER2_INDX);
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER3, (PUCHAR)&(info->DSP_TIME[3]), FT1000_MAG_DSP_TIMER3_INDX);
info->DrvErrNum = DSP_HB_INFO;
if (ft1000_reset_card(dev->net) == 0) {
printk(KERN_INFO "ft1000: Hardware Failure Detected - PC Card disabled\n");
info->ProgConStat = 0xff;
return;
}
/* Schedule this module to run every 2 seconds */
poll_timer[info->CardNumber].expires = jiffies + (2*HZ);
poll_timer[info->CardNumber].data = (u_long)dev;
add_timer(&poll_timer[info->CardNumber]);
return;
}
status = ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL);
// Let's check doorbell again if fail
if (tempword & FT1000_DB_HB) {
status = ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL);
}
if (tempword & FT1000_DB_HB) {
printk(KERN_INFO "ft1000: heartbeat doorbell not clear by firmware\n");
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER0, (PUCHAR)&(info->DSP_TIME[0]), FT1000_MAG_DSP_TIMER0_INDX);
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER1, (PUCHAR)&(info->DSP_TIME[1]), FT1000_MAG_DSP_TIMER1_INDX);
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER2, (PUCHAR)&(info->DSP_TIME[2]), FT1000_MAG_DSP_TIMER2_INDX);
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER3, (PUCHAR)&(info->DSP_TIME[3]), FT1000_MAG_DSP_TIMER3_INDX);
info->DrvErrNum = DSP_HB_INFO;
if (ft1000_reset_card(dev->net) == 0) {
printk(KERN_INFO "ft1000: Hardware Failure Detected - PC Card disabled\n");
info->ProgConStat = 0xff;
return;
}
/* Schedule this module to run every 2 seconds */
poll_timer[info->CardNumber].expires = jiffies + (2*HZ);
poll_timer[info->CardNumber].data = (u_long)dev;
add_timer(&poll_timer[info->CardNumber]);
return;
}
// Set dedicated area to hi and ring appropriate doorbell according
// to hi/ho heartbeat protocol
ft1000_write_dpram16(dev, FT1000_MAG_HI_HO, hi_mag, FT1000_MAG_HI_HO_INDX);
status = ntohs(ft1000_read_dpram16(dev, FT1000_MAG_HI_HO, (PUCHAR)&tempword, FT1000_MAG_HI_HO_INDX));
// Let's write hi again if fail
if (tempword != hi) {
ft1000_write_dpram16(dev, FT1000_MAG_HI_HO, hi_mag, FT1000_MAG_HI_HO_INDX);
status = ntohs(ft1000_read_dpram16(dev, FT1000_MAG_HI_HO, (PUCHAR)&tempword, FT1000_MAG_HI_HO_INDX));
}
if (tempword != hi) {
printk(KERN_INFO "ft1000: heartbeat failed - cannot write hi into DPRAM\n");
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER0, (PUCHAR)&(info->DSP_TIME[0]), FT1000_MAG_DSP_TIMER0_INDX);
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER1, (PUCHAR)&(info->DSP_TIME[1]), FT1000_MAG_DSP_TIMER1_INDX);
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER2, (PUCHAR)&(info->DSP_TIME[2]), FT1000_MAG_DSP_TIMER2_INDX);
status = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER3, (PUCHAR)&(info->DSP_TIME[3]), FT1000_MAG_DSP_TIMER3_INDX);
info->DrvErrNum = DSP_HB_INFO;
if (ft1000_reset_card(dev->net) == 0) {
printk(KERN_INFO "ft1000: Hardware Failure Detected - PC Card disabled\n");
info->ProgConStat = 0xff;
return;
}
/* Schedule this module to run every 2 seconds */
poll_timer[info->CardNumber].expires = jiffies + (2*HZ);
poll_timer[info->CardNumber].data = (u_long)dev;
add_timer(&poll_timer[info->CardNumber]);
return;
}
ft1000_write_register(dev, FT1000_DB_HB, FT1000_REG_DOORBELL);
}
/* Schedule this module to run every 2 seconds */
poll_timer[info->CardNumber].expires = jiffies + (2*HZ);
poll_timer[info->CardNumber].data = (u_long)dev;
add_timer(&poll_timer[info->CardNumber]);
}
//---------------------------------------------------------------------------
//