Date: Sat, 30 Apr 2016 18:07:13 +0000 (UTC) From: Emmanuel Vadot <manu@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r298855 - head/sys/arm/allwinner Message-ID: <201604301807.u3UI7Don010896@repo.freebsd.org>
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Author: manu Date: Sat Apr 30 18:07:13 2016 New Revision: 298855 URL: https://svnweb.freebsd.org/changeset/base/298855 Log: ACK the interrupt after disabling it, this avoid an interrupt storm. Approved by: andrew (mentor) Modified: head/sys/arm/allwinner/aw_nmi.c Modified: head/sys/arm/allwinner/aw_nmi.c ============================================================================== --- head/sys/arm/allwinner/aw_nmi.c Sat Apr 30 17:27:33 2016 (r298854) +++ head/sys/arm/allwinner/aw_nmi.c Sat Apr 30 18:07:13 2016 (r298855) @@ -277,8 +277,11 @@ aw_nmi_teardown_intr(device_t dev, struc 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
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