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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-03-25 16:13:38 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-03-29 14:48:10 +0200 |
| commit | 7bf811a8744d1eacff556bb7decc9c606b1537c2 (patch) | |
| tree | b7a9804e91178cd441651f579bd70577f91fe134 /arch/powerpc/sysdev/cpm2_pic.c | |
| parent | a28ab38c440d0391d8a3673514e4cfb079445309 (diff) | |
| download | blackbird-op-linux-7bf811a8744d1eacff556bb7decc9c606b1537c2.tar.gz blackbird-op-linux-7bf811a8744d1eacff556bb7decc9c606b1537c2.zip | |
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>
Diffstat (limited to 'arch/powerpc/sysdev/cpm2_pic.c')
| -rw-r--r-- | arch/powerpc/sysdev/cpm2_pic.c | 25 |
1 files changed, 10 insertions, 15 deletions
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) |
