From: Thomas Gleixner Date: Fri, 25 Mar 2011 15:13:38 +0000 (+0100) Subject: powerpc: cpm2_pic: Use IRQCHIP_EOI_IF_HANDLED X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7bf811a8744d1eacff556bb7decc9c606b1537c2;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git 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 --- diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c index bda0e5b8ce21..c5844e9427b8 100644 --- a/arch/powerpc/sysdev/cpm2_pic.c +++ b/arch/powerpc/sysdev/cpm2_pic.c @@ -115,26 +115,20 @@ static void cpm2_ack(struct irq_data *d) static void cpm2_end_irq(struct irq_data *d) { - struct irq_desc *desc; int bit, word; unsigned int irq_nr = virq_to_hw(d->irq); - desc = irq_to_desc(irq_nr); - if (!(desc->status & (IRQ_DISABLED|IRQ_INPROGRESS)) - && desc->action) { - - bit = irq_to_siubit[irq_nr]; - word = irq_to_siureg[irq_nr]; + bit = irq_to_siubit[irq_nr]; + word = irq_to_siureg[irq_nr]; - ppc_cached_irq_mask[word] |= 1 << bit; - out_be32(&cpm2_intctl->ic_simrh + word, ppc_cached_irq_mask[word]); + ppc_cached_irq_mask[word] |= 1 << bit; + out_be32(&cpm2_intctl->ic_simrh + word, ppc_cached_irq_mask[word]); - /* - * Work around large numbers of spurious IRQs on PowerPC 82xx - * systems. - */ - mb(); - } + /* + * Work around large numbers of spurious IRQs on PowerPC 82xx + * systems. + */ + mb(); } static int cpm2_set_irq_type(struct irq_data *d, unsigned int flow_type) @@ -202,6 +196,7 @@ static struct irq_chip cpm2_pic = { .irq_ack = cpm2_ack, .irq_eoi = cpm2_end_irq, .irq_set_type = cpm2_set_irq_type, + .flags = IRQCHIP_EOI_IF_HANDLED, }; unsigned int cpm2_get_irq(void)