summaryrefslogtreecommitdiff
path: root/arch/powerpc/platforms/celleb/interrupt.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-21 15:50:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-21 15:50:49 -0700
commit9a64388d83f6ef08dfff405a9d122e3dbcb6bf38 (patch)
treea77532ce4d6d56be6c6c7f405cd901a0184250fb /arch/powerpc/platforms/celleb/interrupt.c
parente80ab411e589e00550e2e6e5a6a02d59cc730357 (diff)
parent14b3ca4022f050f8622ed282b734ddf445464583 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (202 commits) [POWERPC] Fix compile breakage for 64-bit UP configs [POWERPC] Define copy_siginfo_from_user32 [POWERPC] Add compat handler for PTRACE_GETSIGINFO [POWERPC] i2c: Fix build breakage introduced by OF helpers [POWERPC] Optimize fls64() on 64-bit processors [POWERPC] irqtrace support for 64-bit powerpc [POWERPC] Stacktrace support for lockdep [POWERPC] Move stackframe definitions to common header [POWERPC] Fix device-tree locking vs. interrupts [POWERPC] Make pci_bus_to_host()'s struct pci_bus * argument const [POWERPC] Remove unused __max_memory variable [POWERPC] Simplify xics direct/lpar irq_host setup [POWERPC] Use pseries_setup_i8259_cascade() in pseries_mpic_init_IRQ() [POWERPC] Turn xics_setup_8259_cascade() into a generic pseries_setup_i8259_cascade() [POWERPC] Move xics_setup_8259_cascade() into platforms/pseries/setup.c [POWERPC] Use asm-generic/bitops/find.h in bitops.h [POWERPC] 83xx: mpc8315 - fix USB UTMI Host setup [POWERPC] 85xx: Fix the size of qe muram for MPC8568E [POWERPC] 86xx: mpc86xx_hpcn - Temporarily accept old dts node identifier. [POWERPC] 86xx: mark functions static, other minor cleanups ...
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);