xfnw/plan9fox
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

audiohda: do not enable interrupts before intrenable()

Browse source 
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.
This commit is contained in:
cinap_lenrek 2020-11-15 14:34:17 +01:00
parent 0c846e605b
commit 2a946b24a6
1 changed files with 3 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
sys/src/9/pc/audiohda.c
View file

@ -1752,9 +1752,6 @@ hdastart(Ctlr *ctlr)
waitup8(ctlr, Rirbctl, Rirbdma, Rirbdma); waitup8(ctlr, Rirbctl, Rirbdma, Rirbdma);
/* enable interrupts */
csr32(ctlr, Intctl) |= Gie | Cie;
return 0; return 0;
} }
@ -1958,6 +1955,9 @@ hdareset1(Audio *adev, Ctlr *ctlr)
adev->ctl = hdactl; adev->ctl = hdactl;
intrenable(irq, hdainterrupt, adev, tbdf, "hda"); intrenable(irq, hdainterrupt, adev, tbdf, "hda");
/* enable interrupts */
csr32(ctlr, Intctl) |= Gie | Cie;
ctlr->q = qopen(256, 0, 0, 0); ctlr->q = qopen(256, 0, 0, 0);