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authorThomas Gleixner <tglx@linutronix.de>2010-09-28 10:40:18 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-10-12 16:39:05 +0200
commit442471848f5abb55b99cba1229301655f67492b4 (patch)
tree4265a98a62db515d2b0a63d95a7c7e5badb1dbc0 /kernel/irq/chip.c
parent3a3856d00c74560a7b8d9f8a13c1ca94ee786b78 (diff)
genirq: Provide status modifier
Provide a irq_desc.status modifier function to cleanup the direct access to irq_desc in arch and driver code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/irq/chip.c')
-rw-r--r--kernel/irq/chip.c26
1 files changed, 7 insertions, 19 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 323547983f1..2b1f6906b82 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -851,32 +851,20 @@ set_irq_chip_and_handler_name(unsigned int irq, struct irq_chip *chip,
__set_irq_handler(irq, handle, 0, name);
}
-void set_irq_noprobe(unsigned int irq)
+void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
{
struct irq_desc *desc = irq_to_desc(irq);
unsigned long flags;
- if (!desc) {
- printk(KERN_ERR "Trying to mark IRQ%d non-probeable\n", irq);
+ if (!desc)
return;
- }
-
- raw_spin_lock_irqsave(&desc->lock, flags);
- desc->status |= IRQ_NOPROBE;
- raw_spin_unlock_irqrestore(&desc->lock, flags);
-}
-void set_irq_probe(unsigned int irq)
-{
- struct irq_desc *desc = irq_to_desc(irq);
- unsigned long flags;
-
- if (!desc) {
- printk(KERN_ERR "Trying to mark IRQ%d probeable\n", irq);
- return;
- }
+ /* Sanitize flags */
+ set &= IRQF_MODIFY_MASK;
+ clr &= IRQF_MODIFY_MASK;
raw_spin_lock_irqsave(&desc->lock, flags);
- desc->status &= ~IRQ_NOPROBE;
+ desc->status &= ~clr;
+ desc->status |= set;
raw_spin_unlock_irqrestore(&desc->lock, flags);
}