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Blackfin arch: fix bug - kernel boot fails when Spinlock and rw-lock debugging enabled 

Initialize the lock of bad_irq_desc properly.
The content of irq_desc array is replaced by bad_irq_desc in blackfin
arch irqchip init code. So, do it properly as common irq init code.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Sonic Zhang 2008-06-25 12:02:07 +08:00 committed by Bryan Wu
parent 543cf4cb3f
commit 71a7d15562
1 changed files with 5 additions and 0 deletions
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5
arch/blackfin/kernel/irqchip.c
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@ -60,9 +60,14 @@ static struct irq_chip bad_chip = {
}; };
static struct irq_desc bad_irq_desc = { static struct irq_desc bad_irq_desc = {
.status = IRQ_DISABLED,
.chip = &bad_chip, .chip = &bad_chip,
.handle_irq = handle_bad_irq, .handle_irq = handle_bad_irq,
.depth = 1, .depth = 1,
.lock = __SPIN_LOCK_UNLOCKED(irq_desc->lock),
#ifdef CONFIG_SMP
.affinity = CPU_MASK_ALL
#endif
}; };
int show_interrupts(struct seq_file *p, void *v) int show_interrupts(struct seq_file *p, void *v)