linux-kernel - [PATCH v2 1/2] drm: Move for_each_if() to util

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Message-ID: <20250213182527.3092371-2-andriy.shevchenko@linux.intel.com>
Date: Thu, 13 Feb 2025 20:24:00 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
	Alexandru Ardelean <aardelean@...libre.com>,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	linux-gpio@...r.kernel.org
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>
Subject: [PATCH v2 1/2] drm: Move for_each_if() to util_macros.h for wider use

Other subsystem(s) may want to reuse the for_each_if() macro.
Move it to util_macros.h to make it globally available.

Suggested-by: Bartosz Golaszewski <brgl@...ev.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 include/drm/drm_util.h      | 16 +---------------
 include/linux/util_macros.h | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/include/drm/drm_util.h b/include/drm/drm_util.h
index 79952d8c4bba..440199618620 100644
--- a/include/drm/drm_util.h
+++ b/include/drm/drm_util.h
@@ -36,6 +36,7 @@
 #include <linux/kgdb.h>
 #include <linux/preempt.h>
 #include <linux/smp.h>
+#include <linux/util_macros.h>
 
 /*
  * Use EXPORT_SYMBOL_FOR_TESTS_ONLY() for functions that shall
@@ -47,21 +48,6 @@
 #define EXPORT_SYMBOL_FOR_TESTS_ONLY(x)
 #endif
 
-/**
- * for_each_if - helper for handling conditionals in various for_each macros
- * @condition: The condition to check
- *
- * Typical use::
- *
- *	#define for_each_foo_bar(x, y) \'
- *		list_for_each_entry(x, y->list, head) \'
- *			for_each_if(x->something == SOMETHING)
- *
- * The for_each_if() macro makes the use of for_each_foo_bar() less error
- * prone.
- */
-#define for_each_if(condition) if (!(condition)) {} else
-
 /**
  * drm_can_sleep - returns true if currently okay to sleep
  *
diff --git a/include/linux/util_macros.h b/include/linux/util_macros.h
index 825487fb66fa..3b570b765b75 100644
--- a/include/linux/util_macros.h
+++ b/include/linux/util_macros.h
@@ -4,6 +4,21 @@
 
 #include <linux/math.h>
 
+/**
+ * for_each_if - helper for handling conditionals in various for_each macros
+ * @condition: The condition to check
+ *
+ * Typical use::
+ *
+ *	#define for_each_foo_bar(x, y) \'
+ *		list_for_each_entry(x, y->list, head) \'
+ *			for_each_if(x->something == SOMETHING)
+ *
+ * The for_each_if() macro makes the use of for_each_foo_bar() less error
+ * prone.
+ */
+#define for_each_if(condition) if (!(condition)) {} else
+
 /**
  * find_closest - locate the closest element in a sorted array
  * @x: The reference value.
-- 
2.45.1.3035.g276e886db78b