diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-02-07 22:30:49 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-03-29 14:47:52 +0200 |
| commit | 1b7a2d90c83bec624ac89f0642cb57bed17a2d3d (patch) | |
| tree | 2543ac3b3b4b0dfc73d45a013e21d587d273ec47 | |
| parent | 1475b85d08b51b5ee2b7b426247d3ef3f531eafe (diff) | |
arm: Use irq flag setter function
Use the proper accessor function instead of fiddling in the status
bits directly.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-arm-kernel@lists.infradead.org
| -rw-r--r-- | arch/arm/kernel/irq.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index 3535d3793e6..9b3a6d86e8c 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -144,24 +144,21 @@ asm_do_IRQ(unsigned int irq, struct pt_regs *regs) void set_irq_flags(unsigned int irq, unsigned int iflags) { - struct irq_desc *desc; - unsigned long flags; + unsigned long clr = 0, set = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN; if (irq >= nr_irqs) { printk(KERN_ERR "Trying to set irq flags for IRQ%d\n", irq); return; } - desc = irq_to_desc(irq); - raw_spin_lock_irqsave(&desc->lock, flags); - desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN; if (iflags & IRQF_VALID) - desc->status &= ~IRQ_NOREQUEST; + clr |= IRQ_NOREQUEST; if (iflags & IRQF_PROBE) - desc->status &= ~IRQ_NOPROBE; + clr |= IRQ_NOPROBE; if (!(iflags & IRQF_NOAUTOEN)) - desc->status &= ~IRQ_NOAUTOEN; - raw_spin_unlock_irqrestore(&desc->lock, flags); + clr |= IRQ_NOAUTOEN; + /* Order is clear bits in "clr" then set bits in "set" */ + irq_modify_status(irq, clr, set & ~clr); } void __init init_IRQ(void) |