info->pending_bh = 0;
+ memset(&info->icount, 0, sizeof(info->icount));
+
/* program hardware for current parameters */
reset_port(info);
printk("%s(%d):%s get_params()\n",
__FILE__,__LINE__, info->device_name);
- COPY_TO_USER(err,user_icount, &info->icount, sizeof(struct mgsl_icount));
- if (err) {
- if ( debug_level >= DEBUG_LEVEL_INFO )
- printk( "%s(%d):%s get_stats() user buffer copy failed\n",
- __FILE__,__LINE__,info->device_name);
- return -EFAULT;
+ if (!user_icount) {
+ memset(&info->icount, 0, sizeof(info->icount));
+ } else {
+ COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount));
+ if (err)
+ return -EFAULT;
}
return 0;
/* MD2, Mode Register 2
*
* 07..02 Reserved, must be 0
- * 01..00 CNCT<1..0> Channel connection, 0=normal
+ * 01..00 CNCT<1..0> Channel connection, 00=normal 11=local loopback
*
* 0000 0000
*/
RegValue = 0x00;
+ if (info->params.loopback)
+ RegValue |= (BIT1 + BIT0);
write_reg(info, MD2, RegValue);
/* RXS, Receive clock source
write_reg(info, IE2, info->ie2_value);
set_rate( info, info->params.data_rate * 16 );
-
- if (info->params.loopback)
- enable_loopback(info,1);
}
/* Program the SCA for HDLC communications.