diff options
Diffstat (limited to 'arch/powerpc/platforms/celleb/interrupt.c')
| -rw-r--r-- | arch/powerpc/platforms/celleb/interrupt.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/arch/powerpc/platforms/celleb/interrupt.c b/arch/powerpc/platforms/celleb/interrupt.c index c7c68ca70c82..69562a867876 100644 --- a/arch/powerpc/platforms/celleb/interrupt.c +++ b/arch/powerpc/platforms/celleb/interrupt.c @@ -34,7 +34,7 @@ static DEFINE_SPINLOCK(beatic_irq_mask_lock); static uint64_t beatic_irq_mask_enable[(MAX_IRQS+255)/64]; static uint64_t beatic_irq_mask_ack[(MAX_IRQS+255)/64]; -static struct irq_host *beatic_host = NULL; +static struct irq_host *beatic_host; /* * In this implementation, "virq" == "IRQ plug number", @@ -49,13 +49,13 @@ static inline void beatic_update_irq_mask(unsigned int irq_plug) off = (irq_plug / 256) * 4; masks[0] = beatic_irq_mask_enable[off + 0] - & beatic_irq_mask_ack[off + 0]; + & beatic_irq_mask_ack[off + 0]; masks[1] = beatic_irq_mask_enable[off + 1] - & beatic_irq_mask_ack[off + 1]; + & beatic_irq_mask_ack[off + 1]; masks[2] = beatic_irq_mask_enable[off + 2] - & beatic_irq_mask_ack[off + 2]; + & beatic_irq_mask_ack[off + 2]; masks[3] = beatic_irq_mask_enable[off + 3] - & beatic_irq_mask_ack[off + 3]; + & beatic_irq_mask_ack[off + 3]; if (beat_set_interrupt_mask(irq_plug&~255UL, masks[0], masks[1], masks[2], masks[3]) != 0) panic("Failed to set mask IRQ!"); @@ -96,7 +96,8 @@ static void beatic_end_irq(unsigned int irq_plug) s64 err; unsigned long flags; - if ((err = beat_downcount_of_interrupt(irq_plug)) != 0) { + err = beat_downcount_of_interrupt(irq_plug); + if (err != 0) { if ((err & 0xFFFFFFFF) != 0xFFFFFFF5) /* -11: wrong state */ panic("Failed to downcount IRQ! Error = %16lx", err); @@ -138,7 +139,8 @@ static int beatic_pic_host_map(struct irq_host *h, unsigned int virq, struct irq_desc *desc = get_irq_desc(virq); int64_t err; - if ((err = beat_construct_and_connect_irq_plug(virq, hw)) < 0) + err = beat_construct_and_connect_irq_plug(virq, hw); + if (err < 0) return -EIO; desc->status |= IRQ_LEVEL; @@ -202,22 +204,22 @@ static inline unsigned int beatic_get_irq_plug(void) beat_detect_pending_interrupts(i, pending); __asm__ ("cntlzd %0,%1":"=r"(ub): "r"(pending[0] & beatic_irq_mask_enable[i/64+0] - & beatic_irq_mask_ack[i/64+0])); + & beatic_irq_mask_ack[i/64+0])); if (ub != 64) return i + ub + 0; __asm__ ("cntlzd %0,%1":"=r"(ub): "r"(pending[1] & beatic_irq_mask_enable[i/64+1] - & beatic_irq_mask_ack[i/64+1])); + & beatic_irq_mask_ack[i/64+1])); if (ub != 64) return i + ub + 64; __asm__ ("cntlzd %0,%1":"=r"(ub): "r"(pending[2] & beatic_irq_mask_enable[i/64+2] - & beatic_irq_mask_ack[i/64+2])); + & beatic_irq_mask_ack[i/64+2])); if (ub != 64) return i + ub + 128; __asm__ ("cntlzd %0,%1":"=r"(ub): "r"(pending[3] & beatic_irq_mask_enable[i/64+3] - & beatic_irq_mask_ack[i/64+3])); + & beatic_irq_mask_ack[i/64+3])); if (ub != 64) return i + ub + 192; } @@ -250,7 +252,7 @@ void __init beatic_init_IRQ(void) /* Allocate an irq host */ beatic_host = irq_alloc_host(NULL, IRQ_HOST_MAP_NOMAP, 0, - &beatic_pic_host_ops, + &beatic_pic_host_ops, 0); BUG_ON(beatic_host == NULL); irq_set_default_host(beatic_host); |