kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/drivers/clocksource/timer-prima2.c
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@@ -1,9 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * System timer for CSR SiRFprimaII
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  *
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  * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
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- *
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- * Licensed under GPLv2 or later.
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  */
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 #include <linux/kernel.h>
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@@ -166,14 +165,6 @@
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 	.resume = sirfsoc_clocksource_resume,
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 };
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-static struct irqaction sirfsoc_timer_irq = {
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-	.name = "sirfsoc_timer0",
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-	.flags = IRQF_TIMER,
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-	.irq = 0,
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-	.handler = sirfsoc_timer_interrupt,
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-	.dev_id = &sirfsoc_clockevent,
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-};
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-
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 /* Overwrite weak default sched_clock with more precise one */
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 static u64 notrace sirfsoc_read_sched_clock(void)
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 {
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@@ -191,6 +182,7 @@
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 static int __init sirfsoc_prima2_timer_init(struct device_node *np)
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 {
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 	unsigned long rate;
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+	unsigned int irq;
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 	struct clk *clk;
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 	int ret;
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@@ -219,7 +211,7 @@
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 		return -ENXIO;
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 	}
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-	sirfsoc_timer_irq.irq = irq_of_parse_and_map(np, 0);
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+	irq = irq_of_parse_and_map(np, 0);
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 	writel_relaxed(rate / PRIMA2_CLOCK_FREQ / 2 - 1,
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 		sirfsoc_timer_base + SIRFSOC_TIMER_DIV);
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@@ -235,7 +227,8 @@
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 	sched_clock_register(sirfsoc_read_sched_clock, 64, PRIMA2_CLOCK_FREQ);
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-	ret = setup_irq(sirfsoc_timer_irq.irq, &sirfsoc_timer_irq);
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+	ret = request_irq(irq, sirfsoc_timer_interrupt, IRQF_TIMER,
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+			  "sirfsoc_timer0", &sirfsoc_clockevent);
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 	if (ret) {
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 		pr_err("Failed to setup irq\n");
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 		return ret;