Re: [PATCH 2.6] Altix serial driver

[Chris Wedgwood]

On Mon, Jun 28, 2004 at 02:14:39AM +0100, Russell King wrote:

> It's the way its always been done, and the way the tty layer works.
> You register a range of ttys that you're going to be driving, and
> you own those ttys whether or not you actually have hardware for
> them.

How about this (yes, it's a hack but it's really not that bad and will
get things working until we can fix this up in 2.7.x):

===== drivers/serial/8250.c 1.55 vs edited =====
--- 1.55/drivers/serial/8250.c	2004-04-17 02:48:54 -07:00
+++ edited/drivers/serial/8250.c	2004-06-27 18:42:55 -07:00
@@ -2175,6 +2175,12 @@
 {
 	int ret, i;
 
+#if defined(__ia64__) && defined(ia64_platform_is)
+	/* SN2 cannot have 8250-like serial ports. */
+	if (ia64_platform_is("sn2"))
+		return -ENODEV;
+#endif
+
 	printk(KERN_INFO "Serial: 8250/16550 driver $Revision: 1.90 $ "
 		"%d ports, IRQ sharing %sabled\n", (int) UART_NR,
 		share_irqs ? "en" : "dis");


Completely untested of source, and we might want to move things around
a bit if early console stuff causes problems.

   --cw
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