genirq: Provide status modifier
Provide a irq_desc.status modifier function to cleanup the direct access to irq_desc in arch and driver code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Ingo Molnar <mingo@elte.hu>
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@ -851,32 +851,20 @@ set_irq_chip_and_handler_name(unsigned int irq, struct irq_chip *chip,
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__set_irq_handler(irq, handle, 0, name);
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}
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void set_irq_noprobe(unsigned int irq)
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void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
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{
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struct irq_desc *desc = irq_to_desc(irq);
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unsigned long flags;
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if (!desc) {
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printk(KERN_ERR "Trying to mark IRQ%d non-probeable\n", irq);
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if (!desc)
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return;
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}
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/* Sanitize flags */
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set &= IRQF_MODIFY_MASK;
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clr &= IRQF_MODIFY_MASK;
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raw_spin_lock_irqsave(&desc->lock, flags);
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desc->status |= IRQ_NOPROBE;
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raw_spin_unlock_irqrestore(&desc->lock, flags);
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}
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void set_irq_probe(unsigned int irq)
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{
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struct irq_desc *desc = irq_to_desc(irq);
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unsigned long flags;
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if (!desc) {
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printk(KERN_ERR "Trying to mark IRQ%d probeable\n", irq);
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return;
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}
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raw_spin_lock_irqsave(&desc->lock, flags);
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desc->status &= ~IRQ_NOPROBE;
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desc->status &= ~clr;
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desc->status |= set;
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raw_spin_unlock_irqrestore(&desc->lock, flags);
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}
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