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ACK the interrupt after disabling it, this avoid an interrupt storm.

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Approved by:	andrew (mentor)
This commit is contained in:
Emmanuel Vadot 2016-04-30 18:07:13 +00:00
parent cca48a59de
commit 22d6365976
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=298855
1 changed files with 3 additions and 0 deletions
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3
sys/arm/allwinner/aw_nmi.c
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@ -277,8 +277,11 @@ aw_nmi_teardown_intr(device_t dev, struct intr_irqsrc *isrc,
static void
aw_nmi_pre_ithread(device_t dev, struct intr_irqsrc *isrc)
{
struct aw_nmi_softc *sc;
sc = device_get_softc(dev);
aw_nmi_disable_intr(dev, isrc);
SC_NMI_WRITE(sc, NMI_IRQ_PENDING_REG, NMI_IRQ_ACK);
}
static void