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sh: Sanitize sparse irq

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Switch over to the new allocator functions.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Thomas Gleixner 2010-10-12 02:03:09 +09:00 committed by Paul Mundt
parent 2f98492c53
commit c4318baf00
3 changed files with 17 additions and 22 deletions
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6
arch/sh/kernel/cpu/irq/ipr.c
View File

@ -62,13 +62,13 @@ void register_ipr_controller(struct ipr_desc *desc)
for (i = 0; i < desc->nr_irqs; i++) {
struct ipr_data *p = desc->ipr_data + i;
struct irq_desc *irq_desc;
int res;
BUG_ON(p->ipr_idx >= desc->nr_offsets);
BUG_ON(!desc->ipr_offsets[p->ipr_idx]);
irq_desc = irq_to_desc_alloc_node(p->irq, numa_node_id());
if (unlikely(!irq_desc)) {
res = irq_alloc_desc_at(p->irq, numa_node_id());
if (unlikely(res != p->irq && res != -EEXIST))
printk(KERN_INFO "can not get irq_desc for %d\n",
p->irq);
continue;

10
drivers/sh/intc/core.c
View File

@ -300,13 +300,13 @@ int __init register_intc_controller(struct intc_desc *desc)
for (i = 0; i < hw->nr_vectors; i++) {
struct intc_vect *vect = hw->vectors + i;
unsigned int irq = evt2irq(vect->vect);
struct irq_desc *irq_desc;
int res;
if (!vect->enum_id)
continue;
irq_desc = irq_to_desc_alloc_node(irq, numa_node_id());
if (unlikely(!irq_desc)) {
res = irq_alloc_desc_at(irq, numa_node_id());
if (res != irq && res != -EEXIST) {
pr_err("can't get irq_desc for %d\n", irq);
continue;
}
@ -326,8 +326,8 @@ int __init register_intc_controller(struct intc_desc *desc)
* IRQ support, each vector still needs to have
* its own backing irq_desc.
*/
irq_desc = irq_to_desc_alloc_node(irq2, numa_node_id());
if (unlikely(!irq_desc)) {
res = irq_alloc_desc_at(irq2, numa_node_id());
if (res != irq2 && res != -EEXIST) {
pr_err("can't get irq_desc for %d\n", irq2);
continue;
}

23
drivers/sh/intc/dynamic.c
View File

@ -37,7 +37,6 @@ unsigned int create_irq_nr(unsigned int irq_want, int node)
{
unsigned int irq = 0, new;
unsigned long flags;
struct irq_desc *desc;
raw_spin_lock_irqsave(&vector_lock, flags);
@ -55,24 +54,20 @@ unsigned int create_irq_nr(unsigned int irq_want, int node)
__set_bit(new, intc_irq_map);
}
desc = irq_to_desc_alloc_node(new, node);
if (unlikely(!desc)) {
raw_spin_unlock_irqrestore(&vector_lock, flags);
irq = irq_alloc_desc_at(new, node);
if (unlikely(irq != new)) {
pr_err("can't get irq_desc for %d\n", new);
goto out_unlock;
return 0;
}
desc = move_irq_desc(desc, node);
irq = new;
activate_irq(irq);
return 0;
out_unlock:
raw_spin_unlock_irqrestore(&vector_lock, flags);
if (irq > 0) {
dynamic_irq_init(irq);
activate_irq(irq);
}
return irq;
return 0;
}
int create_irq(void)
@ -91,7 +86,7 @@ void destroy_irq(unsigned int irq)
{
unsigned long flags;
dynamic_irq_cleanup(irq);
irq_free_desc(irq);
raw_spin_lock_irqsave(&vector_lock, flags);
__clear_bit(irq, intc_irq_map);