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Message-Id: <20230804190130.1936566-1-robh@kernel.org>
Date:   Fri,  4 Aug 2023 13:01:29 -0600
From:   Rob Herring <robh@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] dt: dt-check-compatible: Find struct of_device_id instances with compiler annotations

The regex search for declarations of struct of_device_id was missing
cases that had a compiler annotation such as "__maybe_unused". Improve
the regex to allow for these. Use '\S' instead of specific characters to
shorten the regex. That also finds some more compatibles using '.'
characters.

Unfortunately, these changes add ~400 more compatibles without a
schema.

Signed-off-by: Rob Herring <robh@...nel.org>
---
 scripts/dtc/dt-extract-compatibles | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/dtc/dt-extract-compatibles b/scripts/dtc/dt-extract-compatibles
index a1119762ed08..9df9f1face83 100755
--- a/scripts/dtc/dt-extract-compatibles
+++ b/scripts/dtc/dt-extract-compatibles
@@ -25,8 +25,8 @@ def parse_of_declare_macros(data):
 def parse_of_device_id(data):
 	""" Find all compatible strings in of_device_id structs """
 	compat_list = []
-	for m in re.finditer(r'of_device_id\s+[a-zA-Z0-9_]+\[\]\s*=\s*({.*?);', data):
-		compat_list += re.findall(r'\.compatible\s+=\s+"([a-zA-Z0-9_\-,]+)"', m[1])
+	for m in re.finditer(r'of_device_id(\s+\S+)?\s+\S+\[\](\s+\S+)?\s*=\s*({.*?);', data):
+		compat_list += re.findall(r'\.compatible\s+=\s+"(\S+)"', m[3])
 
 	return compat_list
 
-- 
2.40.1

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