add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/video/of_display_timing.c
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@@ -1,11 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * OF helpers for parsing display timings
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  *
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  * Copyright (c) 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>, Pengutronix
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  *
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  * based on of_videomode.c by Sascha Hauer <s.hauer@pengutronix.de>
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- *
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- * This file is released under the GPLv2
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  */
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 #include <linux/export.h>
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 #include <linux/of.h>
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@@ -120,17 +119,20 @@
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 		struct display_timing *dt)
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 {
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 	struct device_node *timing_np;
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+	int ret;
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 	if (!np)
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 		return -EINVAL;
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 	timing_np = of_get_child_by_name(np, name);
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-	if (!timing_np) {
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-		pr_err("%pOF: could not find node '%s'\n", np, name);
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+	if (!timing_np)
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 		return -ENOENT;
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-	}
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-	return of_parse_display_timing(timing_np, dt);
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+	ret = of_parse_display_timing(timing_np, dt);
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+
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+	of_node_put(timing_np);
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+
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+	return ret;
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 }
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 EXPORT_SYMBOL_GPL(of_get_display_timing);
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@@ -170,7 +172,7 @@
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 		goto entryfail;
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 	}
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-	pr_debug("%pOF: using %s as default timing\n", np, entry->name);
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+	pr_debug("%pOF: using %pOFn as default timing\n", np, entry);
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 	native_mode = entry;
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