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Commit f9ba4475 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

powerpc: cell: Use the core flow handler 



The core handler is a full equivalent replacement.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 0521c8fb

arch/powerpc/platforms/cell/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ config PPC_CELL_COMMON 
	select PPC_INDIRECT_IO

	select PPC_NATIVE

	select PPC_RTAS

	select IRQ_EDGE_EOI_HANDLER



config PPC_CELL_NATIVE

	bool

arch/powerpc/platforms/cell/interrupt.c

+1 −49
Original line number Diff line number Diff line
@@ -235,54 +235,6 @@ static int iic_host_match(struct irq_host *h, struct device_node *node) 
				    "IBM,CBEA-Internal-Interrupt-Controller");

}



extern int noirqdebug;



static void handle_iic_irq(unsigned int irq, struct irq_desc *desc)

{

	struct irq_chip *chip = get_irq_desc_chip(desc);



	raw_spin_lock(&desc->lock);



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



	/*

	 * If we're currently running this IRQ, or its disabled,

	 * we shouldn't process the IRQ. Mark it pending, handle

	 * the necessary masking and go out

	 */

	if (unlikely((desc->status & (IRQ_INPROGRESS | IRQ_DISABLED)) ||

		    !desc->action)) {

		desc->status |= IRQ_PENDING;

		goto out_eoi;

	}



	kstat_incr_irqs_this_cpu(irq, desc);



	/* Mark the IRQ currently in progress.*/

	desc->status |= IRQ_INPROGRESS;



	do {

		struct irqaction *action = desc->action;

		irqreturn_t action_ret;



		if (unlikely(!action))

			goto out_eoi;



		desc->status &= ~IRQ_PENDING;

		raw_spin_unlock(&desc->lock);

		action_ret = handle_IRQ_event(irq, action);

		if (!noirqdebug)

			note_interrupt(irq, desc, action_ret);

		raw_spin_lock(&desc->lock);



	} while ((desc->status & (IRQ_PENDING | IRQ_DISABLED)) == IRQ_PENDING);



	desc->status &= ~IRQ_INPROGRESS;

out_eoi:

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

	raw_spin_unlock(&desc->lock);

}



static int iic_host_map(struct irq_host *h, unsigned int virq,

			irq_hw_number_t hw)

{
@@ -295,7 +247,7 @@ static int iic_host_map(struct irq_host *h, unsigned int virq, 
					 handle_iic_irq);

		break;

	default:

		set_irq_chip_and_handler(virq, &iic_chip, handle_iic_irq);

		set_irq_chip_and_handler(virq, &iic_chip, handle_edge_eoi_irq);

	}

	return 0;

}