leon,occan: remove dead code.

Fixes #2878
This commit is contained in:
Daniel Hellstrom
2017-08-29 08:31:19 +02:00
parent 6b339b5af6
commit 3471d3da25
-92
View File
@@ -261,7 +261,6 @@ static void occan_fifo_clr(occan_fifo *fifo);
/**** Hardware related Interface ****/
static int occan_calc_speedregs(unsigned int clock_hz, unsigned int rate, occan_speed_regs *result);
static int occan_set_speedregs(occan_priv *priv, occan_speed_regs *timing);
static int pelican_speed_auto(occan_priv *priv);
static void pelican_init(occan_priv *priv);
static void pelican_open(occan_priv *priv);
static int pelican_start(occan_priv *priv);
@@ -1097,81 +1096,6 @@ static int occan_set_speedregs(occan_priv *priv, occan_speed_regs *timing)
return 0;
}
#if 0
static unsigned int pelican_speed_auto_steplist [] = {
OCCAN_SPEED_500K,
OCCAN_SPEED_250K,
OCCAN_SPEED_125K,
OCCAN_SPEED_75K,
OCCAN_SPEED_50K,
OCCAN_SPEED_25K,
OCCAN_SPEED_10K,
0
};
#endif
static int pelican_speed_auto(occan_priv *priv){
return -1;
#if 0
int i=0;
occan_speed_regs timing;
unsigned int speed;
unsigned char tmp;
while ( (speed=pelican_speed_auto_steplist[i]) > 0){
/* Reset core */
WRITE_REG(priv, &priv->regs->mode, PELICAN_MOD_RESET);
/* tell int handler about the auto speed detection test */
/* wait for a moment (10ms) */
/*usleep(10000);*/
/* No acceptance filter */
pelican_set_accept(priv);
/* calc timing params for this */
if ( occan_calc_speedregs(priv->sys_freq_hz,speed,&timing) ){
/* failed to get good timings for this frequency
* test with next
*/
continue;
}
timing.sam = 0;
/* set timing params for this speed */
occan_set_speedregs(priv,&timing);
/* Empty previous messages in hardware RX fifo */
/*
while( READ_REG(priv, &priv->regs->) ){
}
*/
/* Clear pending interrupts */
tmp = READ_REG(priv, &priv->regs->intflags);
/* enable RX & ERR interrupt */
priv->regs->inten =
/* Get out of reset state */
priv->regs->mode = PELICAN_MOD_LISTEN;
/* wait for frames or errors */
while(1){
/* sleep 10ms */
}
}
#endif
}
static rtems_device_driver occan_initialize(rtems_device_major_number major, rtems_device_minor_number unused, void *arg)
{
return RTEMS_SUCCESSFUL;
@@ -1585,22 +1509,6 @@ static rtems_device_driver occan_ioctl(rtems_device_major_number major, rtems_de
case OCCAN_IOC_SPEED_AUTO:
return RTEMS_NOT_IMPLEMENTED;
if ( can->started )
return RTEMS_RESOURCE_IN_USE; /* EBUSY */
if ( (speed=pelican_speed_auto(can)) < 0 ){
/* failed */
return RTEMS_IO_ERROR;
}
/* set new speed */
can->speed = speed;
if ( (int *)ioarg->buffer ){
*(int *)ioarg->buffer = speed;
}
return RTEMS_SUCCESSFUL;
break;
case OCCAN_IOC_SET_BUFLEN:
/* set rx & tx fifo buffer length */