diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-01-21 06:12:30 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-03-02 16:50:24 +1100 |
| commit | a9d8946b4af9e003c645ffb46489fdeb154e7ed9 (patch) | |
| tree | 2094f6bc148232b8b02e0130675bcf8bb0cb37ca /arch/powerpc/kernel/irq.c | |
| parent | 089fb442f3018a3ed094f8ac7a7cc2d3bd03b114 (diff) | |
| download | lwn-a9d8946b4af9e003c645ffb46489fdeb154e7ed9.tar.gz lwn-a9d8946b4af9e003c645ffb46489fdeb154e7ed9.zip | |
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/irq.c')
| -rw-r--r-- | arch/powerpc/kernel/irq.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 0531ccda8005..8a958ca26ac2 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); } |