From: Bjorn Helgaas <bjorn.helgaas@hp.com>
To: linux-ia64@vger.kernel.org
Subject: [patch] ia64: note requirement for 8250_pnp, now that 8250_acpi is gone
Date: Mon, 02 Oct 2006 16:42:25 +0000 [thread overview]
Message-ID: <200610021042.25632.bjorn.helgaas@hp.com> (raw)
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
reply other threads:[~2006-10-02 16:42 UTC|newest]
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