[patch] ia64: note requirement for 8250_pnp, now that 8250_acpi is gone

From: Bjorn Helgaas <bjorn.helgaas_at_hp.com>
Date: 2006-10-03 02:42:25
We removed 8250_acpi in 2.6.17.  If we don't have PNPACPI turned on,
we won't find any ACPI serial devices, so mention this requirement in
the troubleshooting part of the documentation.

CONFIG_PNPACPI is already turned on in all the relevant defconfigs.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>

Index: mm2/Documentation/ia64/serial.txt
===================================================================
--- mm2.orig/Documentation/ia64/serial.txt	2006-06-17 19:49:35.000000000 -0600
+++ mm2/Documentation/ia64/serial.txt	2006-06-29 10:46:08.000000000 -0600
@@ -124,6 +124,13 @@
 
 	- Add entry to /etc/securetty for console tty.
 
+    No ACPI serial devices found in 2.6.17 or later:
+
+	- Turn on CONFIG_PNP and CONFIG_PNPACPI.  Prior to 2.6.17, ACPI
+	  serial devices were discovered by 8250_acpi.  In 2.6.17,
+	  8250_acpi was replaced by the combination of 8250_pnp and
+	  CONFIG_PNPACPI.
+
 
 
 [1] http://www.dig64.org/specifications/DIG64_PCDPv20.pdf
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Received on Tue Oct 03 02:42:41 2006

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