4 files changed, 17 insertions, 34 deletions

diff --git a/drivers/isdn/hysdn/Kconfig b/drivers/isdn/hysdn/Kconfig
index c6d8a7042988..c9e4231968ef 100644
--- a/drivers/isdn/hysdn/Kconfig
+++ b/drivers/isdn/hysdn/Kconfig
@@ -3,7 +3,7 @@
 #
 config HYSDN
 	tristate "Hypercope HYSDN cards (Champ, Ergo, Metro) support (module only)"
-	depends on m && PROC_FS && PCI && BROKEN_ON_SMP
+	depends on m && PROC_FS && PCI
 	help
 	  Say Y here if you have one of Hypercope's active PCI ISDN cards
 	  Champ, Ergo and Metro. You will then get a module called hysdn.
diff --git a/drivers/isdn/hysdn/boardergo.c b/drivers/isdn/hysdn/boardergo.c
index 6cdbad3a9926..3eb096f0ae1b 100644
--- a/drivers/isdn/hysdn/boardergo.c
+++ b/drivers/isdn/hysdn/boardergo.c
@@ -64,10 +64,11 @@ ergo_interrupt(int intno, void *dev_id)
 }				/* ergo_interrupt */
 
 /******************************************************************************/
-/* ergo_irq_bh is the function called by the immediate kernel task list after */
-/* being activated with queue_task and no interrupts active. This task is the */
-/* only one handling data transfer from or to the card after booting. The task */
-/* may be queued from everywhere (interrupts included).                       */
+/* ergo_irq_bh will be called as part of the kernel clearing its shared work  */
+/* queue sometime after a call to schedule_work has been made passing our     */
+/* work_struct. This task is the only one handling data transfer from or to   */
+/* the card after booting. The task may be queued from everywhere             */
+/* (interrupts included).                                                     */
 /******************************************************************************/
 static void
 ergo_irq_bh(struct work_struct *ugli_api)
@@ -90,7 +91,6 @@ ergo_irq_bh(struct work_struct *ugli_api)
 	card->hw_lock = 1;	/* we now lock the hardware */
 
 	do {
-		sti();		/* reenable other ints */
 		again = 0;	/* assume loop not to be repeated */
 
 		if (!dpr->ToHyFlag) {
@@ -110,7 +110,6 @@ ergo_irq_bh(struct work_struct *ugli_api)
 				again = 1;	/* restart loop */
 			}
 		}		/* a message has arrived for us */
-		cli();		/* no further ints */
 		if (again) {
 			dpr->ToHyInt = 1;
 			dpr->ToPcInt = 1;	/* interrupt to E1 for all cards */
@@ -242,7 +241,6 @@ ergo_writebootimg(struct HYSDN_CARD *card, unsigned char *buf,
 		byteout(card->iobase + PCI9050_USER_IO, PCI9050_E1_RUN);	/* start E1 processor */
 		/* the interrupts are still masked */
 
-		sti();
 		msleep_interruptible(20);		/* Timeout 20ms */
 
 		if (((tDpramBootSpooler *) card->dpram)->Len != DPRAM_SPOOLER_DATA_SIZE) {
@@ -276,7 +274,6 @@ ergo_writebootseq(struct HYSDN_CARD *card, unsigned char *buf, int len)
 	dst = sp->Data;		/* point to data in spool structure */
 	buflen = sp->Len;	/* maximum len of spooled data */
 	wr_mirror = sp->WrPtr;	/* only once read */
-	sti();
 
 	/* try until all bytes written or error */
 	i = 0x1000;		/* timeout value */
@@ -380,7 +377,6 @@ ergo_waitpofready(struct HYSDN_CARD *card)
 #endif /* CONFIG_HYSDN_CAPI */
 			return (0);	/* success */
 		}		/* data has arrived */
-		sti();
 		msleep_interruptible(50);		/* Timeout 50ms */
 	}			/* wait until timeout */
 
diff --git a/drivers/isdn/hysdn/hycapi.c b/drivers/isdn/hysdn/hycapi.c
index d3999a8e9f88..53f6ad1235db 100644
--- a/drivers/isdn/hysdn/hycapi.c
+++ b/drivers/isdn/hysdn/hycapi.c
@@ -462,11 +462,11 @@ static int hycapi_read_proc(char *page, char **start, off_t off,
 		default: s = "???"; break;
 	}
 	len += sprintf(page+len, "%-16s %s\n", "type", s);
-	if ((s = cinfo->version[VER_DRIVER]) != 0)
+	if ((s = cinfo->version[VER_DRIVER]) != NULL)
 		len += sprintf(page+len, "%-16s %s\n", "ver_driver", s);
-	if ((s = cinfo->version[VER_CARDTYPE]) != 0)
+	if ((s = cinfo->version[VER_CARDTYPE]) != NULL)
 		len += sprintf(page+len, "%-16s %s\n", "ver_cardtype", s);
-	if ((s = cinfo->version[VER_SERIAL]) != 0)
+	if ((s = cinfo->version[VER_SERIAL]) != NULL)
 		len += sprintf(page+len, "%-16s %s\n", "ver_serial", s);
     
 	len += sprintf(page+len, "%-16s %s\n", "cardname", cinfo->cardname);
diff --git a/drivers/isdn/hysdn/hysdn_procconf.c b/drivers/isdn/hysdn/hysdn_procconf.c
index 15906d005b05..484299b031f8 100644
--- a/drivers/isdn/hysdn/hysdn_procconf.c
+++ b/drivers/isdn/hysdn/hysdn_procconf.c
@@ -207,30 +207,17 @@ hysdn_conf_write(struct file *file, const char __user *buf, size_t count, loff_t
 /* read conf file -> output card info data */
 /*******************************************/
 static ssize_t
-hysdn_conf_read(struct file *file, char __user *buf, size_t count, loff_t * off)
+hysdn_conf_read(struct file *file, char __user *buf, size_t count, loff_t *off)
 {
 	char *cp;
-	int i;
 
-	if (file->f_mode & FMODE_READ) {
-		if (!(cp = file->private_data))
-			return (-EFAULT);	/* should never happen */
-		i = strlen(cp);	/* get total string length */
-		if (*off < i) {
-			/* still bytes to transfer */
-			cp += *off;	/* point to desired data offset */
-			i -= *off;	/* remaining length */
-			if (i > count)
-				i = count;	/* limit length to transfer */
-			if (copy_to_user(buf, cp, i))
-				return (-EFAULT);	/* copy error */
-			*off += i;	/* adjust offset */
-		} else
-			return (0);
-	} else
-		return (-EPERM);	/* no permission to read */
-
-	return (i);
+	if (!(file->f_mode & FMODE_READ))
+		return -EPERM;	/* no permission to read */
+
+	if (!(cp = file->private_data))
+		return -EFAULT;	/* should never happen */
+
+	return simple_read_from_buffer(buf, count, off, cp, strlen(cp));
 }				/* hysdn_conf_read */
 
 /******************/