linux-kernel - [PATCH 1/2] Documentation: Bump media IOCTL reserved numbers

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Message-Id: <20250526111732.487229-2-sakari.ailus@linux.intel.com>
Date: Mon, 26 May 2025 14:17:31 +0300
From: Sakari Ailus <sakari.ailus@...ux.intel.com>
To: linux-doc@...r.kernel.org
Cc: Jonathan Corbet <corbet@....net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Madhavan Srinivasan <maddy@...ux.ibm.com>,
	Haren Myneni <haren@...ux.ibm.com>,
	Bagas Sanjaya <bagasdotme@...il.com>,
	Andrew Donnellan <ajd@...ux.ibm.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Akshay Gupta <akshay.gupta@....com>,
	linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org,
	hans@...erkuil.nl,
	laurent.pinchart@...asonboard.com,
	Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
	Lee Jones <lee@...nel.org>
Subject: [PATCH 1/2] Documentation: Bump media IOCTL reserved numbers

The Media Controller uses IOCTL numbers up to 0x81. Given that nothing
appears to be using them for other purposes, even in the samples
allocation (checked with $ git grep "#define.*_IO.*'|'"), just reassign
the numbers up to 0x8f to linux/media.h and bump the samples allocation by
0x10.

Signed-off-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
---
 Documentation/userspace-api/ioctl/ioctl-number.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/userspace-api/ioctl/ioctl-number.rst b/Documentation/userspace-api/ioctl/ioctl-number.rst
index bc91756bde73..6b3be3fb0b15 100644
--- a/Documentation/userspace-api/ioctl/ioctl-number.rst
+++ b/Documentation/userspace-api/ioctl/ioctl-number.rst
@@ -312,8 +312,8 @@ Code  Seq#    Include File                                           Comments
 'z'   40-7F                                                          CAN bus card conflict!
                                                                      <mailto:oe@...t.de>
 'z'   10-4F  drivers/s390/crypto/zcrypt_api.h                        conflict!
-'|'   00-7F  linux/media.h
-'|'   80-9F  samples/                                                Any sample and example drivers
+'|'   00-8F  linux/media.h
+'|'   90-AF  samples/                                                Any sample and example drivers
 0x80  00-1F  linux/fb.h
 0x81  00-1F  linux/vduse.h
 0x89  00-06  arch/x86/include/asm/sockios.h
-- 
2.39.5