add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/clocksource/timer-oxnas-rps.c
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@@ -1,21 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * drivers/clocksource/timer-oxnas-rps.c
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  *
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  * Copyright (C) 2009 Oxford Semiconductor Ltd
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  * Copyright (C) 2013 Ma Haijun <mahaijuns@gmail.com>
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  * Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.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 and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * 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, see <http://www.gnu.org/licenses/>.
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  */
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 #define pr_fmt(fmt)	KBUILD_MODNAME ": " fmt
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@@ -247,7 +236,7 @@
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 	}
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 	rps->irq = irq_of_parse_and_map(np, 0);
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-	if (rps->irq < 0) {
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+	if (!rps->irq) {
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 		ret = -EINVAL;
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 		goto err_iomap;
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 	}