add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/clocksource/bcm2835_timer.c
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@@ -1,19 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0+
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 /*
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  * Copyright 2012 Simon Arlott
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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/bitops.h>
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@@ -44,7 +31,6 @@
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 	void __iomem *compare;
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 	int match_mask;
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 	struct clock_event_device evt;
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-	struct irqaction act;
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 };
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 static void __iomem *system_clock __read_mostly;
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@@ -126,12 +112,9 @@
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 	timer->evt.features = CLOCK_EVT_FEAT_ONESHOT;
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 	timer->evt.set_next_event = bcm2835_time_set_next_event;
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 	timer->evt.cpumask = cpumask_of(0);
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-	timer->act.name = node->name;
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-	timer->act.flags = IRQF_TIMER | IRQF_SHARED;
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-	timer->act.dev_id = timer;
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-	timer->act.handler = bcm2835_time_interrupt;
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-	ret = setup_irq(irq, &timer->act);
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+	ret = request_irq(irq, bcm2835_time_interrupt, IRQF_TIMER | IRQF_SHARED,
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+			  node->name, timer);
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 	if (ret) {
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 		pr_err("Can't set up timer IRQ\n");
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 		goto err_timer_free;