add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/clocksource/samsung_pwm_timer.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
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  *		http://www.samsung.com/
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  *
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  * samsung - Common hr-timer support (s3c and s5p)
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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 version 2 as
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- * published by the Free Software Foundation.
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 */
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 #include <linux/interrupt.h>
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@@ -259,13 +256,6 @@
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 	return IRQ_HANDLED;
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 }
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-static struct irqaction samsung_clock_event_irq = {
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-	.name		= "samsung_time_irq",
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-	.flags		= IRQF_TIMER | IRQF_IRQPOLL,
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-	.handler	= samsung_clock_event_isr,
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-	.dev_id		= &time_event_device,
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-};
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-
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 static void __init samsung_clockevent_init(void)
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 {
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 	unsigned long pclk;
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@@ -285,7 +275,10 @@
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 						clock_rate, 1, pwm.tcnt_max);
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 	irq_number = pwm.irq[pwm.event_id];
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-	setup_irq(irq_number, &samsung_clock_event_irq);
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+	if (request_irq(irq_number, samsung_clock_event_isr,
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+			IRQF_TIMER | IRQF_IRQPOLL, "samsung_time_irq",
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+			&time_event_device))
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+		pr_err("%s: request_irq() failed\n", "samsung_time_irq");
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 	if (pwm.variant.has_tint_cstat) {
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 		u32 mask = (1 << pwm.event_id);
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@@ -433,8 +426,7 @@
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 	of_property_for_each_u32(np, "samsung,pwm-outputs", prop, cur, val) {
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 		if (val >= SAMSUNG_PWM_NUM) {
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-			pr_warning("%s: invalid channel index in samsung,pwm-outputs property\n",
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-								__func__);
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+			pr_warn("%s: invalid channel index in samsung,pwm-outputs property\n", __func__);
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 			continue;
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 		}
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 		pwm.variant.output_mask |= 1 << val;