"ack" is actually a mask in the parent irq. The demultiplexer and the
handlers run with interrupts disabled. No point in masking and
unmasking the parent.
Signed-off-by: Thomas Gleixner <t...@linutronix.de>
---
drivers/irqchip/spear-shirq.c | 6 ------
1 file changed, 6 deletions(-)
Index: linux/drivers/irqchip/spear-shirq.c
===================================================================
--- linux.orig/drivers/irqchip/spear-shirq.c
+++ linux/drivers/irqchip/spear-shirq.c
@@ -222,12 +222,8 @@ static struct irq_chip shirq_chip = {
static void shirq_handler(unsigned irq, struct irq_desc *desc)
{
struct spear_shirq *shirq = irq_get_handler_data(irq);
- struct irq_data *idata = irq_desc_get_irq_data(desc);
- struct irq_chip *chip = irq_data_get_irq_chip(idata);
u32 pend;
- chip->irq_ack(idata);
-
pend = readl(shirq->base + shirq->regs.status_reg) & shirq->mask;
pend >>= shirq->offset;
@@ -237,8 +233,6 @@ static void shirq_handler(unsigned irq,
pend &= ~(0x1 << irq);
generic_handle_irq(shirq->virq_base + irq);
}
-
- chip->irq_unmask(idata);
}
static void __init spear_shirq_register(struct spear_shirq *shirq,
--
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