修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/kernel/irq/spurious.c
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@@ -34,6 +34,7 @@
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  * true and let the handler run.
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  */
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 bool irq_wait_for_poll(struct irq_desc *desc)
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+	__must_hold(&desc->lock)
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 {
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 	if (WARN_ONCE(irq_poll_cpu == smp_processor_id(),
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 		      "irq poll in progress on cpu %d for irq %d\n",
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@@ -66,7 +67,7 @@
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 	raw_spin_lock(&desc->lock);
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 	/*
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-	 * PER_CPU, nested thread interrupts and interrupts explicitely
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+	 * PER_CPU, nested thread interrupts and interrupts explicitly
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 	 * marked polled are excluded from polling.
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 	 */
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 	if (irq_settings_is_per_cpu(desc) ||
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@@ -76,7 +77,7 @@
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 	/*
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 	 * Do not poll disabled interrupts unless the spurious
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-	 * disabled poller asks explicitely.
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+	 * disabled poller asks explicitly.
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 	 */
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 	if (irqd_irq_disabled(&desc->irq_data) && !force)
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 		goto out;
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@@ -212,9 +213,9 @@
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 	 */
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 	raw_spin_lock_irqsave(&desc->lock, flags);
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 	for_each_action_of_desc(desc, action) {
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-		printk(KERN_ERR "[<%p>] %pf", action->handler, action->handler);
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+		printk(KERN_ERR "[<%p>] %ps", action->handler, action->handler);
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 		if (action->thread_fn)
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-			printk(KERN_CONT " threaded [<%p>] %pf",
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+			printk(KERN_CONT " threaded [<%p>] %ps",
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 					action->thread_fn, action->thread_fn);
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 		printk(KERN_CONT "\n");
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 	}
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@@ -292,7 +293,7 @@
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 	 * So in case a thread is woken, we just note the fact and
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 	 * defer the analysis to the next hardware interrupt.
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 	 *
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-	 * The threaded handlers store whether they sucessfully
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+	 * The threaded handlers store whether they successfully
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 	 * handled an interrupt and we check whether that number
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 	 * changed versus the last invocation.
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 	 *
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@@ -442,10 +443,6 @@
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 static int __init irqfixup_setup(char *str)
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 {
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-#ifdef CONFIG_PREEMPT_RT_BASE
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-	pr_warn("irqfixup boot option not supported w/ CONFIG_PREEMPT_RT_BASE\n");
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-	return 1;
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-#endif
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 	irqfixup = 1;
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 	printk(KERN_WARNING "Misrouted IRQ fixup support enabled.\n");
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 	printk(KERN_WARNING "This may impact system performance.\n");
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@@ -458,10 +455,6 @@
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 static int __init irqpoll_setup(char *str)
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 {
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-#ifdef CONFIG_PREEMPT_RT_BASE
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-	pr_warn("irqpoll boot option not supported w/ CONFIG_PREEMPT_RT_BASE\n");
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-	return 1;
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-#endif
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 	irqfixup = 2;
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 	printk(KERN_WARNING "Misrouted IRQ fixup and polling support "
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 				"enabled\n");