linux-kernel - [PATCH 14/14] kdoc_parser: handle struct member macro VIRTIO_DECLARE

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Message-ID: <cdfb3d717cf5215b05a12f2b3b6d33214692e743.1769508371.git.mchehab+huawei@kernel.org>
Date: Tue, 27 Jan 2026 11:13:33 +0100
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Jonathan Corbet <corbet@....net>,
	Linux Doc Mailing List <linux-doc@...r.kernel.org>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
	linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>,
	Randy Dunlap <rdunlap@...radead.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>
Subject: [PATCH 14/14] kdoc_parser: handle struct member macro VIRTIO_DECLARE_FEATURES(name)

From: Randy Dunlap <rdunlap@...radead.org>

Parse the macro VIRTIO_DECLARE_FEATURES(name) and expand it to its
definition. These prevents one build warning:

WARNING: include/linux/virtio.h:188 struct member 'VIRTIO_DECLARE_FEATURES(features' not described in 'virtio_device'

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 tools/lib/python/kdoc/kdoc_parser.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/lib/python/kdoc/kdoc_parser.py b/tools/lib/python/kdoc/kdoc_parser.py
index 4be7728a5e62..4696be9212a0 100644
--- a/tools/lib/python/kdoc/kdoc_parser.py
+++ b/tools/lib/python/kdoc/kdoc_parser.py
@@ -155,6 +155,7 @@ struct_xforms = [
             struct_args_pattern + r'\)', re.S), r'\1 \2[]'),
     (KernRe(r'DEFINE_DMA_UNMAP_ADDR\s*\(' + struct_args_pattern + r'\)', re.S), r'dma_addr_t \1'),
     (KernRe(r'DEFINE_DMA_UNMAP_LEN\s*\(' + struct_args_pattern + r'\)', re.S), r'__u32 \1'),
+    (KernRe(r'VIRTIO_DECLARE_FEATURES\(([\w_]+)\)'), r'union { u64 \1; u64 \1_array[VIRTIO_FEATURES_U64S]; }'),
 ]
 #
 # Struct regexes here are guaranteed to have the end delimiter matching
-- 
2.52.0