Re: [patch 17/75] genirq: Consolidate IRQ_DISABLED

From: Lars-Peter Clausen
Date: Fri Feb 11 2011 - 02:57:41 EST


On 02/11/2011 12:36 AM, Thomas Gleixner wrote:
> Index: linux-2.6-tip/kernel/irq/chip.c
> ===================================================================
> --- linux-2.6-tip.orig/kernel/irq/chip.c
> +++ linux-2.6-tip/kernel/irq/chip.c
> @@ -192,11 +192,14 @@ EXPORT_SYMBOL_GPL(set_irq_nested_thread)
>
> int irq_startup(struct irq_desc *desc)
> {
> - desc->status &= ~(IRQ_MASKED | IRQ_DISABLED);
> + desc->status &= ~IRQ_DISABLED;
> desc->depth = 0;
>
> - if (desc->irq_data.chip->irq_startup)
> - return desc->irq_data.chip->irq_startup(&desc->irq_data);
> + if (desc->irq_data.chip->irq_startup) {
> + int ret = desc->irq_data.chip->irq_startup(&desc->irq_data);
> + desc->status &= IRQ_MASKED;

Although it is fixed in patch 45 of this series, I guess it should rather be
desc->status &= ~IRQ_MASKED here too.

> + return ret;
> + }
--
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