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authorThomas Gleixner <tglx@linutronix.de>2011-01-21 06:12:30 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-03-02 16:50:24 +1100
commita9d8946b4af9e003c645ffb46489fdeb154e7ed9 (patch)
tree2094f6bc148232b8b02e0130675bcf8bb0cb37ca /arch/powerpc/kernel
parent089fb442f3018a3ed094f8ac7a7cc2d3bd03b114 (diff)
downloadop-kernel-dev-a9d8946b4af9e003c645ffb46489fdeb154e7ed9.zip
op-kernel-dev-a9d8946b4af9e003c645ffb46489fdeb154e7ed9.tar.gz
powerpc: Use new irq allocator
Use the new functions and free the descriptor when the virq is destroyed. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/irq.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 0531ccd..8a958ca 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -678,16 +678,15 @@ void irq_set_virq_count(unsigned int count)
static int irq_setup_virq(struct irq_host *host, unsigned int virq,
irq_hw_number_t hwirq)
{
- struct irq_desc *desc;
+ int res;
- desc = irq_to_desc_alloc_node(virq, 0);
- if (!desc) {
+ res = irq_alloc_desc_at(virq, 0);
+ if (res != virq) {
pr_debug("irq: -> allocating desc failed\n");
goto error;
}
- /* Clear IRQ_NOREQUEST flag */
- desc->status &= ~IRQ_NOREQUEST;
+ irq_clear_status_flags(virq, IRQ_NOREQUEST);
/* map it */
smp_wmb();
@@ -696,11 +695,13 @@ static int irq_setup_virq(struct irq_host *host, unsigned int virq,
if (host->ops->map(host, virq, hwirq)) {
pr_debug("irq: -> mapping failed, freeing\n");
- goto error;
+ goto errdesc;
}
return 0;
+errdesc:
+ irq_free_descs(virq, 1);
error:
irq_free_virt(virq, 1);
return -1;
@@ -879,9 +880,9 @@ void irq_dispose_mapping(unsigned int virq)
smp_mb();
irq_map[virq].hwirq = host->inval_irq;
- /* Set some flags */
- irq_to_desc(virq)->status |= IRQ_NOREQUEST;
+ irq_set_status_flags(virq, IRQ_NOREQUEST);
+ irq_free_descs(virq, 1);
/* Free it */
irq_free_virt(virq, 1);
}
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