modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/arch/powerpc/sysdev/fsl_gtm.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Freescale General-purpose Timers Module
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  *
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@@ -6,11 +7,6 @@
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  *               Jerry Huang <Chang-Ming.Huang@freescale.com>
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  * Copyright (c) MontaVista Software, Inc. 2008.
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  *               Anton Vorontsov <avorontsov@ru.mvista.com>
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- *
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- * This program is free software; you can redistribute  it and/or modify it
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- * under  the terms of  the GNU General  Public License as published by the
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- * Free Software Foundation;  either version 2 of the  License, or (at your
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- * option) any later version.
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  */
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 #include <linux/kernel.h>
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@@ -90,7 +86,7 @@
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  */
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 struct gtm_timer *gtm_get_timer16(void)
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 {
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-	struct gtm *gtm = NULL;
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+	struct gtm *gtm;
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 	int i;
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 	list_for_each_entry(gtm, &gtms, list_node) {
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@@ -107,7 +103,7 @@
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 		spin_unlock_irq(&gtm->lock);
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 	}
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-	if (gtm)
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+	if (!list_empty(&gtms))
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 		return ERR_PTR(-EBUSY);
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 	return ERR_PTR(-ENODEV);
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 }