linux-kernel - [PATCH 3/3] docs: sysctl/kernel: document firmware

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Message-Id: <20200423183651.15365-3-steve@sk2.org>
Date:   Thu, 23 Apr 2020 20:36:51 +0200
From:   Stephen Kitt <steve@....org>
To:     Jonathan Corbet <corbet@....net>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        linux-doc@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Stephen Kitt <steve@....org>
Subject: [PATCH 3/3] docs: sysctl/kernel: document firmware_config

Based on the firmware fallback mechanisms documentation and the
implementation in drivers/base/firmware_loader/fallback.c.

Signed-off-by: Stephen Kitt <steve@....org>
---
 Documentation/admin-guide/sysctl/kernel.rst | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index d4bbdaf96ebc..cb6d5302b595 100644
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -265,6 +265,19 @@ domain names are in general different. For a detailed discussion
 see the ``hostname(1)`` man page.
 
 
+firmware_config
+===============
+
+See :doc:`/driver-api/firmware/fallback-mechanisms`.
+
+The entries in this directory allow the firmware loader helper
+fallback to be controlled:
+
+* ``force_sysfs_fallback``, when set to 1, forces the use of the
+  fallback;
+* ``ignore_sysfs_fallback``, when set to 1, ignores any fallback.
+
+
 ftrace_dump_on_oops
 ===================
 
-- 
2.20.1