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authorChangbin Du <changbin.du@gmail.com>2019-05-08 15:21:33 (GMT)
committerJonathan Corbet <corbet@lwn.net>2019-05-08 20:34:11 (GMT)
commit71892b25fc49999071472f6bce589c18468a85a8 (patch)
treec8df436b97612592f79850a4cf67c50d6b578001 /Documentation/x86
parent9d12f58fe91e5e72ef08afe9e3e66d1c755fc085 (diff)
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Documentation: x86: convert usb-legacy-support.txt to reST
This converts the plain text documentation to reStructuredText format and add it to Sphinx TOC tree. No essential content change. Signed-off-by: Changbin Du <changbin.du@gmail.com> Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/x86')
-rw-r--r--Documentation/x86/index.rst1
-rw-r--r--Documentation/x86/usb-legacy-support.rst (renamed from Documentation/x86/usb-legacy-support.txt)40
2 files changed, 24 insertions, 17 deletions
diff --git a/Documentation/x86/index.rst b/Documentation/x86/index.rst
index 4535570..3eb0334 100644
--- a/Documentation/x86/index.rst
+++ b/Documentation/x86/index.rst
@@ -25,3 +25,4 @@ x86-specific Documentation
pti
microcode
resctrl_ui
+ usb-legacy-support
diff --git a/Documentation/x86/usb-legacy-support.txt b/Documentation/x86/usb-legacy-support.rst
index 1894cdf..e01c08b 100644
--- a/Documentation/x86/usb-legacy-support.txt
+++ b/Documentation/x86/usb-legacy-support.rst
@@ -1,7 +1,11 @@
+
+.. SPDX-License-Identifier: GPL-2.0
+
+==================
USB Legacy support
-~~~~~~~~~~~~~~~~~~
+==================
-Vojtech Pavlik <vojtech@suse.cz>, January 2004
+:Author: Vojtech Pavlik <vojtech@suse.cz>, January 2004
Also known as "USB Keyboard" or "USB Mouse support" in the BIOS Setup is a
@@ -27,18 +31,20 @@ It has several drawbacks, though:
Solutions:
-Problem 1) can be solved by loading the USB drivers prior to loading the
-PS/2 mouse driver. Since the PS/2 mouse driver is in 2.6 compiled into
-the kernel unconditionally, this means the USB drivers need to be
-compiled-in, too.
-
-Problem 2) can currently only be solved by either disabling HIGHMEM64G
-in the kernel config or USB Legacy support in the BIOS. A BIOS update
-could help, but so far no such update exists.
-
-Problem 3) is usually fixed by a BIOS update. Check the board
-manufacturers web site. If an update is not available, disable USB
-Legacy support in the BIOS. If this alone doesn't help, try also adding
-idle=poll on the kernel command line. The BIOS may be entering the SMM
-on the HLT instruction as well.
-
+Problem 1)
+ can be solved by loading the USB drivers prior to loading the
+ PS/2 mouse driver. Since the PS/2 mouse driver is in 2.6 compiled into
+ the kernel unconditionally, this means the USB drivers need to be
+ compiled-in, too.
+
+Problem 2)
+ can currently only be solved by either disabling HIGHMEM64G
+ in the kernel config or USB Legacy support in the BIOS. A BIOS update
+ could help, but so far no such update exists.
+
+Problem 3)
+ is usually fixed by a BIOS update. Check the board
+ manufacturers web site. If an update is not available, disable USB
+ Legacy support in the BIOS. If this alone doesn't help, try also adding
+ idle=poll on the kernel command line. The BIOS may be entering the SMM
+ on the HLT instruction as well.