diff options
| -rw-r--r-- | drivers/irqchip/irq-ts4800.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-ts4800.c b/drivers/irqchip/irq-ts4800.c index 2e4013c6834d..c7c0b155e353 100644 --- a/drivers/irqchip/irq-ts4800.c +++ b/drivers/irqchip/irq-ts4800.c @@ -28,6 +28,7 @@ struct ts4800_irq_data { void __iomem *base; struct platform_device *pdev; struct irq_domain *domain; + unsigned int parent_irq; }; static void ts4800_irq_mask(struct irq_data *d) @@ -134,6 +135,7 @@ static int ts4800_ic_probe(struct platform_device *pdev) irq_set_chained_handler_and_data(parent_irq, ts4800_ic_chained_handle_irq, data); + data->parent_irq = parent_irq; platform_set_drvdata(pdev, data); return 0; @@ -142,6 +144,14 @@ static int ts4800_ic_probe(struct platform_device *pdev) static void ts4800_ic_remove(struct platform_device *pdev) { struct ts4800_irq_data *data = platform_get_drvdata(pdev); + unsigned int hwirq; + + irq_set_chained_handler_and_data(data->parent_irq, NULL, NULL); + + for (hwirq = 0; hwirq < 8; hwirq++) + irq_dispose_mapping(irq_find_mapping(data->domain, hwirq)); + + irq_dispose_mapping(data->parent_irq); irq_domain_remove(data->domain); } |