From 2a946b24a6b9ff38a33e27d54b46dbb898373267 Mon Sep 17 00:00:00 2001 From: cinap_lenrek Date: Sun, 15 Nov 2020 14:34:17 +0100 Subject: [PATCH] audiohda: do not enable interrupts before intrenable() When using /dev/reboot, the MSI vecor might have already been setup causing interrupts to fire on the designated cpu while we send the commands to the card. --- sys/src/9/pc/audiohda.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sys/src/9/pc/audiohda.c b/sys/src/9/pc/audiohda.c index da427e352..82702531b 100644 --- a/sys/src/9/pc/audiohda.c +++ b/sys/src/9/pc/audiohda.c @@ -1752,9 +1752,6 @@ hdastart(Ctlr *ctlr) waitup8(ctlr, Rirbctl, Rirbdma, Rirbdma); - /* enable interrupts */ - csr32(ctlr, Intctl) |= Gie | Cie; - return 0; } @@ -1958,6 +1955,9 @@ hdareset1(Audio *adev, Ctlr *ctlr) adev->ctl = hdactl; intrenable(irq, hdainterrupt, adev, tbdf, "hda"); + + /* enable interrupts */ + csr32(ctlr, Intctl) |= Gie | Cie; ctlr->q = qopen(256, 0, 0, 0);