| Message ID | 20170606055932.22548-3-wens@csie.org (mailing list archive) |
|---|---|
| State | Mainlined, archived |
| Headers | show |
diff --git a/drivers/irqchip/irq-sunxi-nmi.c b/drivers/irqchip/irq-sunxi-nmi.c index 177efb473c7d..9a7f6971cc3a 100644 --- a/drivers/irqchip/irq-sunxi-nmi.c +++ b/drivers/irqchip/irq-sunxi-nmi.c @@ -201,7 +201,10 @@ static int __init sunxi_sc_nmi_irq_init(struct device_node *node, gc->chip_types[1].regs.type = reg_offs->ctrl; gc->chip_types[1].handler = handle_edge_irq; + /* Disable any active interrupts */ sunxi_sc_nmi_write(gc, reg_offs->enable, 0); + + /* Clear any pending NMI interrupts */ sunxi_sc_nmi_write(gc, reg_offs->pend, SUNXI_NMI_IRQ_BIT); irq_set_chained_handler_and_data(irq, sunxi_sc_nmi_handle_irq, domain);
The sunxi-nmi disables all its interrupts and clears any pending interrupts at probe time. Add comments documenting it, just to make it clear. Signed-off-by: Chen-Yu Tsai <wens@csie.org> --- drivers/irqchip/irq-sunxi-nmi.c | 3 +++ 1 file changed, 3 insertions(+)