linux-kernel - [PATCH 2/3] of: kunit: Extract some overlay boiler plate into macros

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Message-ID: <20240822002433.1163814-3-sboyd@kernel.org>
Date: Wed, 21 Aug 2024 17:24:29 -0700
From: Stephen Boyd <sboyd@...nel.org>
To: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>
Cc: linux-kernel@...r.kernel.org,
	linux-clk@...r.kernel.org,
	patches@...ts.linux.dev,
	kunit-dev@...glegroups.com,
	Brendan Higgins <brendan.higgins@...ux.dev>,
	David Gow <davidgow@...gle.com>,
	Rae Moar <rmoar@...gle.com>,
	Peng Fan <peng.fan@....com>
Subject: [PATCH 2/3] of: kunit: Extract some overlay boiler plate into macros

Make the lives of __of_overlay_apply_kunit() callers easier by
extracting some of the boiler plate involved in referencing the DT
overlays.

Cc: Brendan Higgins <brendan.higgins@...ux.dev>
Cc: David Gow <davidgow@...gle.com>
Cc: Rae Moar <rmoar@...gle.com>
Cc: Peng Fan <peng.fan@....com>
Signed-off-by: Stephen Boyd <sboyd@...nel.org>
---
 include/kunit/of.h | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/include/kunit/of.h b/include/kunit/of.h
index 48d4e70c9666..75a760a4e2a5 100644
--- a/include/kunit/of.h
+++ b/include/kunit/of.h
@@ -62,6 +62,13 @@ static inline int __of_overlay_apply_kunit(struct kunit *test,
 					  &unused);
 }
 
+#define of_overlay_begin(overlay_name) __dtbo_##overlay_name##_begin
+#define of_overlay_end(overlay_name) __dtbo_##overlay_name##_end
+
+#define OF_OVERLAY_DECLARE(overlay_name)			\
+	extern uint8_t of_overlay_begin(overlay_name)[];	\
+	extern uint8_t of_overlay_end(overlay_name)[]		\
+
 /**
  * of_overlay_apply_kunit() - Test managed of_overlay_fdt_apply() for built-in overlays
  * @test: test context
@@ -104,12 +111,11 @@ static inline int __of_overlay_apply_kunit(struct kunit *test,
  */
 #define of_overlay_apply_kunit(test, overlay_name)		\
 ({								\
-	extern uint8_t __dtbo_##overlay_name##_begin[];		\
-	extern uint8_t __dtbo_##overlay_name##_end[];		\
+	OF_OVERLAY_DECLARE(overlay_name);			\
 								\
 	__of_overlay_apply_kunit((test),			\
-			__dtbo_##overlay_name##_begin,		\
-			__dtbo_##overlay_name##_end);		\
+			of_overlay_begin(overlay_name),		\
+			of_overlay_end(overlay_name));		\
 })
 
 #endif
-- 
https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git/
https://git.kernel.org/pub/scm/linux/kernel/git/sboyd/spmi.git