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Commit 87923470 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

genirq: Consolidate disable/enable 



Create irq_disable/enable and use them to keep the flags consistent.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 46999238

kernel/irq/chip.c

+11 −1
Original line number Diff line number Diff line
@@ -200,7 +200,7 @@ int irq_startup(struct irq_desc *desc) 
	if (desc->irq_data.chip->irq_startup)

		return desc->irq_data.chip->irq_startup(&desc->irq_data);



	desc->irq_data.chip->irq_enable(&desc->irq_data);

	irq_enable(desc);

	return 0;

}
@@ -211,6 +211,16 @@ void irq_shutdown(struct irq_desc *desc) 
	desc->irq_data.chip->irq_shutdown(&desc->irq_data);

}



void irq_enable(struct irq_desc *desc)

{

	desc->irq_data.chip->irq_enable(&desc->irq_data);

}



void irq_disable(struct irq_desc *desc)

{

	desc->irq_data.chip->irq_disable(&desc->irq_data);

}



/*

 * default enable function

 */

kernel/irq/internals.h

+2 −0
Original line number Diff line number Diff line
@@ -40,6 +40,8 @@ extern void __enable_irq(struct irq_desc *desc, unsigned int irq, bool resume); 


extern int irq_startup(struct irq_desc *desc);

extern void irq_shutdown(struct irq_desc *desc);

extern void irq_enable(struct irq_desc *desc);

extern void irq_disable(struct irq_desc *desc);



extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr);

kernel/irq/manage.c

+1 −1
Original line number Diff line number Diff line
@@ -331,7 +331,7 @@ void __disable_irq(struct irq_desc *desc, unsigned int irq, bool suspend) 


	if (!desc->depth++) {

		desc->status |= IRQ_DISABLED;

		desc->irq_data.chip->irq_disable(&desc->irq_data);

		irq_disable(desc);

	}

}

kernel/irq/resend.c

+5 −5
Original line number Diff line number Diff line
@@ -55,20 +55,20 @@ static DECLARE_TASKLET(resend_tasklet, resend_irqs, 0); 
 */

void check_irq_resend(struct irq_desc *desc, unsigned int irq)

{

	unsigned int status = desc->status;



	/*

	 * Make sure the interrupt is enabled, before resending it:

	 */

	desc->irq_data.chip->irq_enable(&desc->irq_data);

	irq_enable(desc);



	/*

	 * We do not resend level type interrupts. Level type

	 * interrupts are resent by hardware when they are still

	 * active.

	 */

	if ((status & (IRQ_LEVEL | IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {

		desc->status = (status & ~IRQ_PENDING) | IRQ_REPLAY;

	if (desc->status & IRQ_LEVEL)

		return;

	if ((desc->status & (IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {

		desc->status = (desc->status & ~IRQ_PENDING) | IRQ_REPLAY;



		if (!desc->irq_data.chip->irq_retrigger ||

		    !desc->irq_data.chip->irq_retrigger(&desc->irq_data)) {

kernel/irq/spurious.c

+1 −1
Original line number Diff line number Diff line
@@ -303,7 +303,7 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc, 
		printk(KERN_EMERG "Disabling IRQ #%d\n", irq);

		desc->status |= IRQ_DISABLED | IRQ_SPURIOUS_DISABLED;

		desc->depth++;

		desc->irq_data.chip->irq_disable(&desc->irq_data);

		irq_disable(desc);



		mod_timer(&poll_spurious_irq_timer,

			  jiffies + POLL_SPURIOUS_IRQ_INTERVAL);