diff options
Diffstat (limited to 'kernel/irq/chip.c')
| -rw-r--r-- | kernel/irq/chip.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 1a239a83f925..43c62ca68c11 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -194,11 +194,14 @@ 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; + return ret; + } irq_enable(desc); return 0; @@ -206,7 +209,7 @@ int irq_startup(struct irq_desc *desc) void irq_shutdown(struct irq_desc *desc) { - desc->status |= IRQ_MASKED | IRQ_DISABLED; + desc->status |= IRQ_DISABLED; desc->depth = 1; if (desc->irq_data.chip->irq_shutdown) desc->irq_data.chip->irq_shutdown(&desc->irq_data); @@ -214,10 +217,12 @@ void irq_shutdown(struct irq_desc *desc) desc->irq_data.chip->irq_disable(&desc->irq_data); else desc->irq_data.chip->irq_mask(&desc->irq_data); + desc->status |= IRQ_MASKED; } void irq_enable(struct irq_desc *desc) { + desc->status &= ~IRQ_DISABLED; if (desc->irq_data.chip->irq_enable) desc->irq_data.chip->irq_enable(&desc->irq_data); else @@ -227,6 +232,7 @@ void irq_enable(struct irq_desc *desc) void irq_disable(struct irq_desc *desc) { + desc->status |= IRQ_DISABLED; if (desc->irq_data.chip->irq_disable) { desc->irq_data.chip->irq_disable(&desc->irq_data); desc->status |= IRQ_MASKED; |