Commit 333e8eb3 authored by Michael Ellerman's avatar Michael Ellerman Committed by Madhavan Srinivasan
Browse files

genirq: Remove IRQ_EDGE_EOI_HANDLER 



The powerpc Cell blade support, now removed, was the only user of
IRQ_EDGE_EOI_HANDLER, so remove it.

Acked-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Signed-off-by: default avatarMadhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20241218105523.416573-21-mpe@ellerman.id.au
parent 215bd64a

kernel/irq/Kconfig

+0 −4
Original line number Diff line number Diff line
@@ -51,10 +51,6 @@ config GENERIC_IRQ_INJECTION 
config HARDIRQS_SW_RESEND

       bool



# Edge style eoi based handler (cell)

config IRQ_EDGE_EOI_HANDLER

       bool



# Generic configurable interrupt chip implementation

config GENERIC_IRQ_CHIP

       bool

kernel/irq/chip.c

+0 −47
Original line number Diff line number Diff line
@@ -838,53 +838,6 @@ void handle_edge_irq(struct irq_desc *desc) 
}

EXPORT_SYMBOL(handle_edge_irq);



#ifdef CONFIG_IRQ_EDGE_EOI_HANDLER

/**

 *	handle_edge_eoi_irq - edge eoi type IRQ handler

 *	@desc:	the interrupt description structure for this irq

 *

 * Similar as the above handle_edge_irq, but using eoi and w/o the

 * mask/unmask logic.

 */

void handle_edge_eoi_irq(struct irq_desc *desc)

{

	struct irq_chip *chip = irq_desc_get_chip(desc);



	raw_spin_lock(&desc->lock);



	desc->istate &= ~(IRQS_REPLAY | IRQS_WAITING);



	if (!irq_may_run(desc)) {

		desc->istate |= IRQS_PENDING;

		goto out_eoi;

	}



	/*

	 * If its disabled or no action available then mask it and get

	 * out of here.

	 */

	if (irqd_irq_disabled(&desc->irq_data) || !desc->action) {

		desc->istate |= IRQS_PENDING;

		goto out_eoi;

	}



	kstat_incr_irqs_this_cpu(desc);



	do {

		if (unlikely(!desc->action))

			goto out_eoi;



		handle_irq_event(desc);



	} while ((desc->istate & IRQS_PENDING) &&

		 !irqd_irq_disabled(&desc->irq_data));



out_eoi:

	chip->irq_eoi(&desc->irq_data);

	raw_spin_unlock(&desc->lock);

}

#endif



/**

 *	handle_percpu_irq - Per CPU local irq handler

 *	@desc:	the interrupt description structure for this irq