linux-kernel - [PATCH v1 1/1] test_printf: Refactor fwnode

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Date:   Wed, 24 Aug 2022 20:05:42 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Petr Mladek <pmladek@...e.com>, linux-kernel@...r.kernel.org
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>
Subject: [PATCH v1 1/1] test_printf: Refactor fwnode_pointer() to make it more readable

Converting fwnode_pointer() to use better swnode API allows to
make code more readable.

While at it, rename full_name to full_name_third to show exact
relation in the hierarchy.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 lib/test_printf.c | 26 ++++++++++++--------------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/lib/test_printf.c b/lib/test_printf.c
index fe13de1bed5f..6f7f179dd8f4 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -704,31 +704,29 @@ flags(void)
 
 static void __init fwnode_pointer(void)
 {
-	const struct software_node softnodes[] = {
-		{ .name = "first", },
-		{ .name = "second", .parent = &softnodes[0], },
-		{ .name = "third", .parent = &softnodes[1], },
-		{ NULL /* Guardian */ }
-	};
-	const char * const full_name = "first/second/third";
+	const struct software_node first = { .name = "first" };
+	const struct software_node second = { .name = "second", .parent = &first };
+	const struct software_node third = { .name = "third", .parent = &second };
+	const struct software_node *group[] = { &first, &second, &third, NULL };
 	const char * const full_name_second = "first/second";
+	const char * const full_name_third = "first/second/third";
 	const char * const second_name = "second";
 	const char * const third_name = "third";
 	int rval;
 
-	rval = software_node_register_nodes(softnodes);
+	rval = software_node_register_node_group(group);
 	if (rval) {
 		pr_warn("cannot register softnodes; rval %d\n", rval);
 		return;
 	}
 
-	test(full_name_second, "%pfw", software_node_fwnode(&softnodes[1]));
-	test(full_name, "%pfw", software_node_fwnode(&softnodes[2]));
-	test(full_name, "%pfwf", software_node_fwnode(&softnodes[2]));
-	test(second_name, "%pfwP", software_node_fwnode(&softnodes[1]));
-	test(third_name, "%pfwP", software_node_fwnode(&softnodes[2]));
+	test(full_name_second, "%pfw", software_node_fwnode(&second));
+	test(full_name_third, "%pfw", software_node_fwnode(&third));
+	test(full_name_third, "%pfwf", software_node_fwnode(&third));
+	test(second_name, "%pfwP", software_node_fwnode(&second));
+	test(third_name, "%pfwP", software_node_fwnode(&third));
 
-	software_node_unregister_nodes(softnodes);
+	software_node_unregister_node_group(group);
 }
 
 static void __init fourcc_pointer(void)
-- 
2.35.1