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Diffstat (limited to 'arch/powerpc/platforms/celleb/interrupt.c')
-rw-r--r--arch/powerpc/platforms/celleb/interrupt.c26
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);