X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fsynclink.c;h=c53f4579a59fa6e8e8beb8634e071f29940fd0ca;hb=bcf5111a58c7db968c3fb9cd77e340a5e076f549;hp=ede688a4e141ad71834fb90930d83b7466751caa;hpb=61b7efddc5256225099d13185659e9ad9d8abc8a;p=pandora-kernel.git

diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index ede688a4e141..c53f4579a59f 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -87,7 +87,6 @@
 
 #include <linux/vmalloc.h>
 #include <linux/init.h>
-#include <asm/serial.h>
 
 #include <linux/delay.h>
 #include <linux/ioctl.h>
@@ -941,17 +940,6 @@ static void* mgsl_get_text_ptr(void)
 	return mgsl_get_text_ptr;
 }
 
-/*
- * tmp_buf is used as a temporary buffer by mgsl_write.  We need to
- * lock it in case the COPY_FROM_USER blocks while swapping in a page,
- * and some other program tries to do a serial write at the same time.
- * Since the lock will only come under contention when the system is
- * swapping and available memory is low, it makes sense to share one
- * buffer across all the serial ioports, since it significantly saves
- * memory if large numbers of serial ports are open.
- */
-static unsigned char *tmp_buf;
-
 static inline int mgsl_paranoia_check(struct mgsl_struct *info,
 					char *name, const char *routine)
 {
@@ -1355,8 +1343,12 @@ static void mgsl_isr_io_pin( struct mgsl_struct *info )
 			} else
 				info->input_signal_events.dcd_down++;
 #ifdef CONFIG_HDLC
-			if (info->netcount)
-				hdlc_set_carrier(status & MISCSTATUS_DCD, info->netdev);
+			if (info->netcount) {
+				if (status & MISCSTATUS_DCD)
+					netif_carrier_on(info->netdev);
+				else
+					netif_carrier_off(info->netdev);
+			}
 #endif
 		}
 		if (status & MISCSTATUS_CTS_LATCHED)
@@ -2150,7 +2142,7 @@ static int mgsl_write(struct tty_struct * tty,
 	if (mgsl_paranoia_check(info, tty->name, "mgsl_write"))
 		goto cleanup;
 
-	if (!tty || !info->xmit_buf || !tmp_buf)
+	if (!tty || !info->xmit_buf)
 		goto cleanup;
 
 	if ( info->params.mode == MGSL_MODE_HDLC ||
@@ -3438,7 +3430,6 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp)
 {
 	struct mgsl_struct	*info;
 	int 			retval, line;
-	unsigned long		page;
 	unsigned long flags;
 
 	/* verify range of specified line number */	
@@ -3472,18 +3463,6 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp)
 		goto cleanup;
 	}
 	
-	if (!tmp_buf) {
-		page = get_zeroed_page(GFP_KERNEL);
-		if (!page) {
-			retval = -ENOMEM;
-			goto cleanup;
-		}
-		if (tmp_buf)
-			free_page(page);
-		else
-			tmp_buf = (unsigned char *) page;
-	}
-	
 	info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
 
 	spin_lock_irqsave(&info->netlock, flags);
@@ -4502,11 +4481,6 @@ static void synclink_cleanup(void)
 		kfree(tmp);
 	}
 	
-	if (tmp_buf) {
-		free_page((unsigned long) tmp_buf);
-		tmp_buf = NULL;
-	}
-	
 	if (pci_registered)
 		pci_unregister_driver(&synclink_pci_driver);
 }
@@ -6025,7 +5999,7 @@ static void usc_set_async_mode( struct mgsl_struct *info )
 	 * <15..8>	?		RxFIFO IRQ Request Level
 	 *
 	 * Note: For async mode the receive FIFO level must be set
-	 * to 0 to aviod the situation where the FIFO contains fewer bytes
+	 * to 0 to avoid the situation where the FIFO contains fewer bytes
 	 * than the trigger level and no more data is expected.
 	 *
 	 * <7>		0		Exited Hunt IA (Interrupt Arm)
@@ -7770,7 +7744,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding,
 	}
 
 	info->params.encoding = new_encoding;
-	info->params.crc_type = new_crctype;;
+	info->params.crc_type = new_crctype;
 
 	/* if network interface up, reprogram hardware */
 	if (info->netcount)
@@ -7873,8 +7847,10 @@ static int hdlcdev_open(struct net_device *dev)
 	spin_lock_irqsave(&info->irq_spinlock, flags);
 	usc_get_serial_signals(info);
 	spin_unlock_irqrestore(&info->irq_spinlock, flags);
-	hdlc_set_carrier(info->serial_signals & SerialSignal_DCD, dev);
-
+	if (info->serial_signals & SerialSignal_DCD)
+		netif_carrier_on(dev);
+	else
+		netif_carrier_off(dev);
 	return 0;
 }
 
@@ -8179,7 +8155,7 @@ static int __devinit synclink_init_one (struct pci_dev *dev,
 				
 	info->bus_type = MGSL_BUS_TYPE_PCI;
 	info->io_addr_size = 8;
-	info->irq_flags = SA_SHIRQ;
+	info->irq_flags = IRQF_SHARED;
 
 	if (dev->device == 0x0210) {
 		/* Version 1 PCI9030 based universal PCI adapter */