X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fsnsc.c;h=52753e723eaae5cf361a5b06cc097b2a7ce0da25;hb=7806cdb40fd562e5dcc07321579b62a5dc7cd95c;hp=56c8243cdb734b2d9212ec1eed9643560e82864b;hpb=cb6aef2879b769644b35cffe9844c81c63809c8e;p=linux-2.6

diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c
index 56c8243cdb..52753e723e 100644
--- a/drivers/char/snsc.c
+++ b/drivers/char/snsc.c
@@ -34,7 +34,7 @@
 #define SCDRV_TIMEOUT	1000
 
 static irqreturn_t
-scdrv_interrupt(int irq, void *subch_data, struct pt_regs *regs)
+scdrv_interrupt(int irq, void *subch_data)
 {
 	struct subch_data_s *sd = subch_data;
 	unsigned long flags;
@@ -105,7 +105,7 @@ scdrv_open(struct inode *inode, struct file *file)
 
 	/* hook this subchannel up to the system controller interrupt */
 	rv = request_irq(SGI_UART_VECTOR, scdrv_interrupt,
-			 SA_SHIRQ | SA_INTERRUPT,
+			 IRQF_SHARED | IRQF_DISABLED,
 			 SYSCTL_BASENAME, sd);
 	if (rv) {
 		ia64_sn_irtr_close(sd->sd_nasid, sd->sd_subch);
@@ -347,7 +347,7 @@ scdrv_poll(struct file *file, struct poll_table_struct *wait)
 	return mask;
 }
 
-static struct file_operations scdrv_fops = {
+static const struct file_operations scdrv_fops = {
 	.owner =	THIS_MODULE,
 	.read =		scdrv_read,
 	.write =	scdrv_write,
@@ -374,7 +374,12 @@ scdrv_init(void)
 	struct sysctl_data_s *scd;
 	void *salbuf;
 	dev_t first_dev, dev;
-	nasid_t event_nasid = ia64_sn_get_console_nasid();
+	nasid_t event_nasid;
+
+	if (!ia64_platform_is("sn2"))
+		return -ENODEV;
+
+	event_nasid = ia64_sn_get_console_nasid();
 
 	if (alloc_chrdev_region(&first_dev, 0, num_cnodes,
 				SYSCTL_BASENAME) < 0) {