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Diffstat (limited to 'drivers/char/synclinkmp.c')
-rw-r--r--drivers/char/synclinkmp.c41
1 files changed, 15 insertions, 26 deletions
diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
index ec949e4c070f..6fb165cf8a61 100644
--- a/drivers/char/synclinkmp.c
+++ b/drivers/char/synclinkmp.c
@@ -1,5 +1,5 @@
/*
- * $Id: synclinkmp.c,v 4.34 2005/03/04 15:07:10 paulkf Exp $
+ * $Id: synclinkmp.c,v 4.38 2005/07/15 13:29:44 paulkf Exp $
*
* Device driver for Microgate SyncLink Multiport
* high speed multiprotocol serial adapter.
@@ -55,7 +55,6 @@
#include <linux/netdevice.h>
#include <linux/vmalloc.h>
#include <linux/init.h>
-#include <asm/serial.h>
#include <linux/delay.h>
#include <linux/ioctl.h>
@@ -487,7 +486,7 @@ module_param_array(maxframe, int, NULL, 0);
module_param_array(dosyncppp, int, NULL, 0);
static char *driver_name = "SyncLink MultiPort driver";
-static char *driver_version = "$Revision: 4.34 $";
+static char *driver_version = "$Revision: 4.38 $";
static int synclinkmp_init_one(struct pci_dev *dev,const struct pci_device_id *ent);
static void synclinkmp_remove_one(struct pci_dev *dev);
@@ -556,7 +555,6 @@ static int set_txidle(SLMP_INFO *info, int idle_mode);
static int tx_enable(SLMP_INFO *info, int enable);
static int tx_abort(SLMP_INFO *info);
static int rx_enable(SLMP_INFO *info, int enable);
-static int map_status(int signals);
static int modem_input_wait(SLMP_INFO *info,int arg);
static int wait_mgsl_event(SLMP_INFO *info, int __user *mask_ptr);
static int tiocmget(struct tty_struct *tty, struct file *file);
@@ -645,7 +643,7 @@ static unsigned char tx_active_fifo_level = 16; // tx request FIFO activation le
static unsigned char tx_negate_fifo_level = 32; // tx request FIFO negation level in bytes
static u32 misc_ctrl_value = 0x007e4040;
-static u32 lcr1_brdr_value = 0x00800029;
+static u32 lcr1_brdr_value = 0x00800028;
static u32 read_ahead_count = 8;
@@ -2750,6 +2748,8 @@ static int startup(SLMP_INFO * info)
info->pending_bh = 0;
+ memset(&info->icount, 0, sizeof(info->icount));
+
/* program hardware for current parameters */
reset_port(info);
@@ -2953,12 +2953,12 @@ static int get_stats(SLMP_INFO * info, struct mgsl_icount __user *user_icount)
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;
@@ -3109,16 +3109,6 @@ static int rx_enable(SLMP_INFO * info, int enable)
return 0;
}
-static int map_status(int signals)
-{
- /* Map status bits to API event bits */
-
- return ((signals & SerialSignal_DSR) ? MgslEvent_DsrActive : MgslEvent_DsrInactive) +
- ((signals & SerialSignal_CTS) ? MgslEvent_CtsActive : MgslEvent_CtsInactive) +
- ((signals & SerialSignal_DCD) ? MgslEvent_DcdActive : MgslEvent_DcdInactive) +
- ((signals & SerialSignal_RI) ? MgslEvent_RiActive : MgslEvent_RiInactive);
-}
-
/* wait for specified event to occur
*/
static int wait_mgsl_event(SLMP_INFO * info, int __user *mask_ptr)
@@ -3145,7 +3135,7 @@ static int wait_mgsl_event(SLMP_INFO * info, int __user *mask_ptr)
/* return immediately if state matches requested events */
get_signals(info);
- s = map_status(info->serial_signals);
+ s = info->serial_signals;
events = mask &
( ((s & SerialSignal_DSR) ? MgslEvent_DsrActive:MgslEvent_DsrInactive) +
@@ -4489,11 +4479,13 @@ void async_mode(SLMP_INFO *info)
/* 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
@@ -4574,9 +4566,6 @@ void async_mode(SLMP_INFO *info)
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.