[PATCH] synclink.c 2.5.41

From: Paul Fulghum (paulkf@microgate.com)
Date: Thu Oct 10 2002 - 14:10:21 EST


* Remove cli()/restore()
* Use time_after() macro for jiffie wrap
* Remove unecessary printk

Please apply

Paul Fulghum
paulkf@microgate.com

--- linux-2.5.41/drivers/char/synclink.c Thu Oct 10 09:56:24 2002
+++ linux-2.5.41-mg/drivers/char/synclink.c Thu Oct 10 09:56:05 2002
@@ -1,7 +1,7 @@
 /*
  * linux/drivers/char/synclink.c
  *
- * $Id: synclink.c,v 4.2 2002/04/10 20:45:13 paulkf Exp $
+ * $Id: synclink.c,v 4.4 2002/10/10 14:53:36 paulkf Exp $
  *
  * Device driver for Microgate SyncLink ISA and PCI
  * high speed multiprotocol serial adapters.
@@ -917,7 +917,7 @@
 MODULE_PARM(txholdbufs,"1-" __MODULE_STRING(MAX_TOTAL_DEVICES) "i");
 
 static char *driver_name = "SyncLink serial driver";
-static char *driver_version = "$Revision: 4.2 $";
+static char *driver_version = "$Revision: 4.4 $";
 
 static int synclink_init_one (struct pci_dev *dev,
                                      const struct pci_device_id *ent);
@@ -3387,7 +3387,7 @@
                         schedule_timeout(char_time);
                         if (signal_pending(current))
                                 break;
- if (timeout && ((orig_jiffies + timeout) < jiffies))
+ if (timeout && time_after(jiffies, orig_jiffies + timeout))
                                 break;
                 }
         } else {
@@ -3397,7 +3397,7 @@
                         schedule_timeout(char_time);
                         if (signal_pending(current))
                                 break;
- if (timeout && ((orig_jiffies + timeout) < jiffies))
+ if (timeout && time_after(jiffies, orig_jiffies + timeout))
                                 break;
                 }
         }
@@ -3512,12 +3512,12 @@
                 printk("%s(%d):block_til_ready before block on %s count=%d\n",
                          __FILE__,__LINE__, tty->driver.name, info->count );
 
- save_flags(flags); cli();
+ spin_lock_irqsave(&info->irq_spinlock, flags);
         if (!tty_hung_up_p(filp)) {
                 extra_count = 1;
                 info->count--;
         }
- restore_flags(flags);
+ spin_unlock_irqrestore(&info->irq_spinlock, flags);
         info->blocked_open++;
         
         while (1) {
@@ -4728,21 +4728,18 @@
 
 static void __exit synclink_exit(void)
 {
- unsigned long flags;
         int rc;
         struct mgsl_struct *info;
         struct mgsl_struct *tmp;
 
         printk("Unloading %s: %s\n", driver_name, driver_version);
- save_flags(flags);
- cli();
+
         if ((rc = tty_unregister_driver(&serial_driver)))
                 printk("%s(%d) failed to unregister tty driver err=%d\n",
                        __FILE__,__LINE__,rc);
         if ((rc = tty_unregister_driver(&callout_driver)))
                 printk("%s(%d) failed to unregister callout driver err=%d\n",
                        __FILE__,__LINE__,rc);
- restore_flags(flags);
 
         info = mgsl_device_list;
         while(info) {
@@ -7486,7 +7483,7 @@
         EndTime = jiffies + jiffies_from_ms(100);
 
         for(;;) {
- if ( jiffies > EndTime ) {
+ if (time_after(jiffies, EndTime)) {
                         rc = FALSE;
                         break;
                 }
@@ -7542,7 +7539,7 @@
         EndTime = jiffies + jiffies_from_ms(100);
 
         for(;;) {
- if ( jiffies > EndTime ) {
+ if (time_after(jiffies, EndTime)) {
                         rc = FALSE;
                         break;
                 }
@@ -7590,7 +7587,7 @@
                 spin_unlock_irqrestore(&info->irq_spinlock,flags);
 
                 while ( !(status & (BIT6+BIT5+BIT4+BIT2+BIT1)) ) {
- if ( jiffies > EndTime ) {
+ if (time_after(jiffies, EndTime)) {
                                 rc = FALSE;
                                 break;
                         }
@@ -7617,8 +7614,7 @@
                 /* Wait for 16C32 to write receive status to buffer entry. */
                 status=info->rx_buffer_list[0].status;
                 while ( status == 0 ) {
- if ( jiffies > EndTime ) {
- printk(KERN_ERR"mark 4\n");
+ if (time_after(jiffies, EndTime)) {
                                 rc = FALSE;
                                 break;
                         }

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This archive was generated by hypermail 2b29 : Tue Oct 15 2002 - 22:00:38 EST