powerpc: cpm2_pic: Use IRQCHIP_EOI_IF_HANDLED
The core code provides the same functionality when the IRQCHIP_EOI_IF_HANDLED flag is set for the irq chip. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -115,26 +115,20 @@ static void cpm2_ack(struct irq_data *d)
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static void cpm2_end_irq(struct irq_data *d)
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{
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struct irq_desc *desc;
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int bit, word;
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unsigned int irq_nr = virq_to_hw(d->irq);
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desc = irq_to_desc(irq_nr);
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if (!(desc->status & (IRQ_DISABLED|IRQ_INPROGRESS))
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&& desc->action) {
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bit = irq_to_siubit[irq_nr];
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word = irq_to_siureg[irq_nr];
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bit = irq_to_siubit[irq_nr];
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word = irq_to_siureg[irq_nr];
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ppc_cached_irq_mask[word] |= 1 << bit;
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out_be32(&cpm2_intctl->ic_simrh + word, ppc_cached_irq_mask[word]);
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ppc_cached_irq_mask[word] |= 1 << bit;
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out_be32(&cpm2_intctl->ic_simrh + word, ppc_cached_irq_mask[word]);
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/*
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* Work around large numbers of spurious IRQs on PowerPC 82xx
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* systems.
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*/
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mb();
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}
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/*
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* Work around large numbers of spurious IRQs on PowerPC 82xx
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* systems.
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*/
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mb();
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}
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static int cpm2_set_irq_type(struct irq_data *d, unsigned int flow_type)
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@ -202,6 +196,7 @@ static struct irq_chip cpm2_pic = {
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.irq_ack = cpm2_ack,
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.irq_eoi = cpm2_end_irq,
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.irq_set_type = cpm2_set_irq_type,
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.flags = IRQCHIP_EOI_IF_HANDLED,
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};
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unsigned int cpm2_get_irq(void)
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