add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/clocksource/timer-atmel-st.c
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@@ -1,22 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * linux/arch/arm/mach-at91/at91rm9200_time.c
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  *
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  *  Copyright (C) 2003 SAN People
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  *  Copyright (C) 2003 ATMEL
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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  */
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 #include <linux/kernel.h>
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@@ -152,7 +139,6 @@
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 clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev)
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 {
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 	u32		alm;
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-	int		status = 0;
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 	unsigned int	val;
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 	BUG_ON(delta < 2);
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@@ -176,7 +162,7 @@
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 	alm += delta;
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 	regmap_write(regmap_st, AT91_ST_RTAR, alm);
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-	return status;
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+	return 0;
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 }
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 static struct clock_event_device clkevt = {