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genirq: Use modify_status for set_irq_nested_thread

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No need for a separate function in the core code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner
2011-02-14 13:33:16 +01:00
parent 7acdd53e5b
commit 6f91a52d9b
2 changed files with 13 additions and 31 deletions
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28
kernel/irq/chip.c
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@@ -164,34 +164,6 @@ struct irq_data *irq_get_irq_data(unsigned int irq)
}
EXPORT_SYMBOL_GPL(irq_get_irq_data);
/**
* set_irq_nested_thread - Set/Reset the IRQ_NESTED_THREAD flag of an irq
*
* @irq: Interrupt number
* @nest: 0 to clear / 1 to set the IRQ_NESTED_THREAD flag
*
* The IRQ_NESTED_THREAD flag indicates that on
* request_threaded_irq() no separate interrupt thread should be
* created for the irq as the handler are called nested in the
* context of a demultiplexing interrupt handler thread.
*/
void set_irq_nested_thread(unsigned int irq, int nest)
{
struct irq_desc *desc = irq_to_desc(irq);
unsigned long flags;
if (!desc)
return;
raw_spin_lock_irqsave(&desc->lock, flags);
if (nest)
desc->status |= IRQ_NESTED_THREAD;
else
desc->status &= ~IRQ_NESTED_THREAD;
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
EXPORT_SYMBOL_GPL(set_irq_nested_thread);
int irq_startup(struct irq_desc *desc)
{
desc->status &= ~IRQ_DISABLED;