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docs: debugging-via-ohci1394.txt: add it to the core-api book

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There is an special chapter inside the core-api book about
some debug infrastructure like tracepoints and debug objects.

It sounded to me that this is the best place to add a chapter
explaining how to use a FireWire controller to do remote
kernel debugging, as explained on this document.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/9b489d36d08ad89d3ad5aefef1f52a0715b29716.1588345503.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2020-05-01 17:37:50 +02:00 committed by Jonathan Corbet
parent 283b69bf79
commit a74e2a2264
4 changed files with 3 additions and 2 deletions
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2
Documentation/admin-guide/kernel-parameters.txt
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@ -3329,7 +3329,7 @@
See Documentation/admin-guide/sysctl/vm.rst for details. See Documentation/admin-guide/sysctl/vm.rst for details.
ohci1394_dma=early [HW] enable debugging via the ohci1394 driver. ohci1394_dma=early [HW] enable debugging via the ohci1394 driver.
See Documentation/debugging-via-ohci1394.txt for more See Documentation/core-api/debugging-via-ohci1394.rst for more
info. info.
olpc_ec_timeout= [OLPC] ms delay when issuing EC commands olpc_ec_timeout= [OLPC] ms delay when issuing EC commands

0
Documentation/debugging-via-ohci1394.txt → Documentation/core-api/debugging-via-ohci1394.rst
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1
Documentation/core-api/index.rst
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@ -98,6 +98,7 @@ Interfaces for kernel debugging
debug-objects debug-objects
tracepoint tracepoint
debugging-via-ohci1394
Everything else Everything else
=============== ===============

2
lib/Kconfig.debug
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@ -1508,7 +1508,7 @@ config PROVIDE_OHCI1394_DMA_INIT
This code (~1k) is freed after boot. By then, the firewire stack This code (~1k) is freed after boot. By then, the firewire stack
in charge of the OHCI-1394 controllers should be used instead. in charge of the OHCI-1394 controllers should be used instead.
See Documentation/debugging-via-ohci1394.txt for more information. See Documentation/core-api/debugging-via-ohci1394.rst for more information.
source "samples/Kconfig" source "samples/Kconfig"